C-20 — page 12 of 17
4,849 clear company licenses whose first classification is “C-20 — Warm-Air Heating, Ventilating and Air-Conditioning”.
1 · 2 · 3 · 4 · 5 · 6 · 7 · 8 · 9 · 10 · 11 · 12 · 13 · 14 · 15 · 16 · 17
| Place | Contractor | License | Main classification | Expires |
|---|---|---|---|---|
| San Francisco, CA | NBA ENGINEERING INC | 654936 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 28, 2027 |
| Norco, CA | NEEL HEATING & AIR CONDITIONING | 941279 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2027 |
| Red Bluff, CA | NEIGHBORS HEATING AND AIR LLC | 1120353 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| Newcastle, CA | NELSON AIR INC | 952294 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2028 |
| Yreka, CA | NELSON'S HEATING AND AIR INC | 1101366 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 28, 2027 |
| Modesto, CA | NEMA HEATING AND COOLING INC | 1146682 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Nov 30, 2027 |
| San Fernando, CA | NEOS AIR CONDITIONING & HEATING | 1080112 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Oct 31, 2026 |
| Oakland, CA | NESTLY HEATING AND COOLING NESTLY PROPERTIES LLC | 1158214 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2028 |
| Chino Hills, CA | NET BLUE HVAC LOOX ENTERPRISE INC | 1089508 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2028 |
| Rancho Cordova, CA | NEW - CENTURY AIR SYSTEMS | 718740 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 29, 2028 |
| Norco, CA | NEW AGE AIR CONDITIONING AND HEATING INC | 1051571 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2027 |
| Fairfield, CA | NEW AGE HEATING & COOLING NEW AGE BUILDING SOLUTIONS INC | 1115768 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jun 30, 2028 |
| Burbank, CA | NEW CENTURY HEATING & COOLING INC | 1044676 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2028 |
| Pasadena, CA | NEW CENTURY HVAC INC | 1079491 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2027 |
| Los Angeles, CA | NEW EVOLUTION A / C & HEATING INC | 1116789 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 29, 2028 |
| Glendale, CA | NEW LINE AIR SYSTEMS INC | 1033936 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2027 |
| Sonora, CA | NEWKIRK'S PLUMBING NEWKIRK'S PLUMBING HEATING & AIR INC | 1125379 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2028 |
| Imperial, CA | NEXAIR HEATING & AIR INC | 1158378 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2028 |
| Palm Desert, CA | NEXT LEVEL AIR CONDITIONING DESERT BROTHERS INC | 1108975 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2027 |
| La Habra, CA | NEXT LEVEL H V A C ENERGY MANAGEMENT SYSTEMS | 1050564 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jun 30, 2027 |
| Santa Rosa, CA | NEXT LEVEL HEATING AND AIR CONDITIONING INC | 991331 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2028 |
| Salinas, CA | NEXT LEVEL HVAC SOLUTIONS INC | 1052719 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2027 |
| Valley Center, CA | NEXT WAVE HEATIN AND AIR T & C HEAT AND AIR INC | 1120991 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| Encinitas, CA | NEXT-GEN HEATING AND AIR CORP | 1151289 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2028 |
| Van Nuys, CA | NEXTGEN HVAC INC | 1040723 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jun 30, 2028 |
| Chula Vista, CA | NEXTPHASE HEATING AND AIR INC | 1150465 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 29, 2028 |
| North Hollywood, CA | NEXUS HEATING AND AIR NEXUS BUILDERS INC | 1132330 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jan 31, 2027 |
| Los Angeles, CA | NICE AND COOL INC | 959276 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2027 |
| Santa Clarita, CA | NICHOLAS AIRE SYSTEMS NASAC | 462231 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2028 |
| Anaheim, CA | NICHOLAS MECHANICAL HVAC INC | 992453 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 28, 2027 |
| Ontario, CA | NICK AIR CONDITIONING INC | 1135910 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2027 |
| Woodland Hills, CA | NICKEL HVAC LLC | 1131374 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jan 31, 2027 |
| Concord, CA | NICKELS HVAC NICKELS HVAC AND REFRIGERATION SERVICES LLC | 1144848 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Oct 31, 2027 |
| Quincy, CA | NICKS HEATING AND REFRIGERATION INC | 973571 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jan 31, 2028 |
| Yucca Valley, CA | NIELSEN FIRE AND ICE HEATING AND AIR PSYCHROM INC | 1032788 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Nov 30, 2027 |
| Fairfield, CA | NIELSON MECHANICAL INC | 725457 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2028 |
| Calabasas, CA | NILCO INC | 677735 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2027 |
| Riverside, CA | NIR PLUMBING INC | 757144 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 28, 2027 |
| So Lake Tahoe, CA | NIXON'S HEATING AIR CONDITIONING AND PLUMBING INC | 787917 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2028 |
| Cupertino, CA | NMR HVAC NMR SYSTEMS LLC | 1155425 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| Torrance, CA | NO SWEAT HEATING AND AIR CONDITIONING INC | 851991 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2027 |
| Moorpark, CA | NOBLE AIR INC | 978004 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Oct 31, 2026 |
| Shadow Hills, CA | NOBLE MECHANICAL INC | 1112416 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Nov 30, 2027 |
| Sunnyvale, CA | NOEK HEATING AND AIR INC | 1015931 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2028 |
| Fresno, CA | NOLTE SHEET METAL INC | 438796 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2027 |
| Glendale, CA | NOR AIR INC | 1052529 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2027 |
| El Dorado Hills, CA | NOR CAL MECHANICAL | 825097 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2027 |
| Granada Hills, CA | NOR COOL INC | 1049402 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jan 31, 2027 |
| Oakdale, CA | NOR-CAL AIR CONDITIONING FERNANDES AIR CONDITIONING INC | 578704 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Oct 31, 2027 |
| Sunnyvale, CA | NORCAL COMFORT PROS LLC | 930533 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jan 31, 2028 |
| Campbell, CA | NORCAL HEATING AND COOLING INC | 932216 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2027 |
| Los Angeles, CA | NORDSTROM AIR INC | 1041722 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2026 |
| Stockton, CA | NORMANDY HEATING & AIR INC | 396346 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jan 31, 2027 |
| Tahoe City, CA | NORRIS PLUMBING & HEATING INC | 777856 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2028 |
| Fairfield, CA | NORTH BAY AIR SYSTEMS INC | 325637 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jan 31, 2027 |
| Rohnert Park, CA | NORTH BAY COMFORT INC | 1096386 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2026 |
| Santa Rosa, CA | NORTH BAY COMMERCIAL SERVICES INC | 946744 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| Los Gatos, CA | NORTH BREEZE INC | 1127709 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Oct 31, 2026 |
| Santa Rosa, CA | NORTH END PLUMBING HEATING & AIR | 1107932 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2027 |
| Corte Madera, CA | NORTH HVAC SERVICES INC | 1054297 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jan 31, 2027 |
| City Of Industry, CA | NORTH POLE AIR CONDITIONING INC | 953081 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Oct 31, 2028 |
| Walnut Creek, CA | NORTH STAR HEATING & COOLING NORTH STAR HVAC LLC | 1142423 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2027 |
| San Diego, CA | NORTH WIND HEATING & COOLING INC | 1147131 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2027 |
| Reno, NV | NORTHERN AIRE INC | 1027552 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jun 30, 2027 |
| Reno, NV | NORTHERN NEVADA MECHANICAL INC | 1160868 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2028 |
| Glendale, CA | NORTHERN WIND HVAC | 1149962 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 29, 2028 |
| Grass Valley, CA | NORTHERN-AIR HVAC INC | 892307 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2027 |
| Ontario, CA | NORTHSTAR PHAC INC | 916254 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 29, 2028 |
| Tulare, CA | NORTHWIND HEATING AND AIR INC | 1066747 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2028 |
| Avalon, CA | NORTHWIND REFRIGERATION INC | 824449 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| Riverside, CA | NORTHWINDS AIR LLC | 1139565 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jun 30, 2027 |
| Norwalk, CA | NORWALK-LA MIRADA PLUMBING & HEATING CO INC | 271767 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2027 |
| Merced, CA | NOVA HEATING AND AIR CONDITIONING | 1024961 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Oct 31, 2026 |
| San Diego, CA | NOVIX MECHANICAL INC | 1019006 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Oct 31, 2026 |
| Oceanside, CA | NOWAKOWSKI INC | 1118230 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2028 |
| Chatsworth, CA | NU-AIR SERVICES INC | 735718 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2027 |
| Los Angeles, CA | NUAIR SOLUTIONS LLC | 1148849 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jan 31, 2028 |
| Arvin, CA | NUNEZ & SONS HEATING & AIR CONDITIONING INC | 1152137 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2028 |
| Burlingame, CA | NUR HVAC INC | 1109103 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2027 |
| Dublin, CA | NVC CHILLER INC | 1114924 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jan 31, 2028 |
| Concord, CA | NWP HEATING AND AIR | 1133687 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2027 |
| North Hollywood, CA | O & J APPLIANCE REPAIR INC | 913341 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2028 |
| Tustin, CA | O C AIRTECH LLC | 1096693 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2028 |
| Quartz Hill, CA | O'DONNELL HEATING & AIR INC | 910978 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 29, 2028 |
| Glendora, CA | O'MAHONY AIR CONDITIONING AND HEATING INC | 871945 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Nov 30, 2027 |
| Oakley, CA | OAKLEY HEATING AND AIR LLC | 1125470 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2028 |
| San Juan Capistrano, CA | OASIS AIR CONDITIONING & HEATING OASIS HVAC INC | 767272 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2027 |
| Sherman Oaks, CA | OASIS COMFORT COOLING AND HEATING INC | 1155616 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| Redding, CA | OASIS HEATING & AIR CORP | 1107515 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2027 |
| Kerman, CA | OASIS HEATING AND COOLING INC | 1039348 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| Fallon, NV | OASIS HVAC OASIS AIRCONDITIONING HEATING AND SHEETMETAL INC | 1068358 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2028 |
| San Marcos, CA | OASIS PLUMBING HEATING & AIR CONDITIONING | 1093808 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2028 |
| Running Springs, CA | OBE & SONS INC | 516351 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2028 |
| Santa Ana, CA | OC COOL PROS INC | 1134520 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2027 |
| Agoura Hills, CA | OCEAN AIR FLOW INC | 1083053 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Oct 31, 2027 |
| Grover Beach, CA | OCEAN AIR INC | 872602 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2027 |
| Surprise, AZ | OCEAN BREEZE AIR INC | 1053741 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2027 |
| Canyon Country, CA | OCEAN BREEZE HVAC LLC | 1113832 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2027 |
| Seattle, WA | OCEAN PARK MECHANICAL INC | 986064 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2027 |
| Long Beach, CA | OCEANVIEW MECHANICAL LLC | 1121952 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jun 30, 2028 |
| Manteca, CA | OCEGUEDA MECHANICAL INC | 1146224 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Nov 30, 2027 |
| Chatsworth, CA | ODI HEATING & COOLING CORP | 1115200 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jan 31, 2028 |
| Montclair, CA | OGG M A HEATING & AIR CONDITIONING INC | 489652 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jan 31, 2027 |
| Lemon Grove, CA | OHANA PLUMBING PLUS INC | 1129895 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2026 |
| Santa Clarita, CA | OIG HVAC INSTALLATION & REPAIR LLC | 1135610 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2027 |
| Livermore, CA | OK HEATING AND AIR CONDITIONING INC | 332447 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2027 |
| Orange, CA | OLD TOWNE PLUMBING | 1002282 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2027 |
| Corona, CA | OLIVER MECHANICAL INC | 1136586 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2027 |
| Lake Forest, CA | OLSON SUPERIOR PLUMBING INC | 1045399 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Nov 30, 2027 |
| Calexico, CA | OLVERA AIR CONDITIONING INC | 1012518 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jun 30, 2027 |
| Cerritos, CA | OLYMPIC AIR TECH O A T INC | 1014679 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| Berkeley, CA | OM HEATING & AIR CONDITIONING INC | 919475 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2028 |
| San Diego, CA | OMEGA AIR OMEGA TECH SERVICE INC | 1149953 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 29, 2028 |
| Clovis, CA | OMEGA AIR AND HEATING INC | 1057445 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2027 |
| Tarzana, CA | OMEGA APPLIANCE HEATING & AIR CONDITIONING | 855328 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2027 |
| Temecula, CA | OMEGA COOLING & HEATING | 1091292 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| Stockton, CA | OMEGA HEATER & AIR | 1161164 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2028 |
| Penn Valley, CA | OMID HEATING & AIR CONDITIONING | 1127721 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2027 |
| Orange, CA | OMNI AIR HVAC LLC | 1071374 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2027 |
| Wildomar, CA | OMNI HEATING AND AIR INC | 1050193 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 28, 2027 |
| Chatsworth, CA | OMNIGRADE TRADEWORKS INC | 1033422 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2027 |
| National City, CA | ON TARGET HEATING & COOLING INC | 1020436 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Nov 30, 2026 |
| Riverside, CA | ONE CALL HEATING AND COOLING A & C INCORPORATED | 1103795 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2027 |
| San Diego, CA | ONE HOUR HEATING & AIR CONDITIONING SAN DIEGO HVAC LLC | 1107267 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2027 |
| Vallejo, CA | ONE HOUR HEATING & AIR CONDITIONING LOGAN FAMILY HOLDINGS | 1151576 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2028 |
| Elk Grove, CA | ONE HOUR HEATING & AIR CONDITIONING OF ELK GROVE ELITESIDE ENTERPRISES LLC | 1143074 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2027 |
| Fullerton, CA | ONE HOUR HEATING AND AIR CONDITIONING COOLBREEZE CORP | 1136570 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2027 |
| Orange, CA | ONE HOUR HEATING AND AIR CONDITIONING J4 HEATING AND AIR INC | 1139941 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2027 |
| Mission Viejo, CA | ONE HOUR HEATING AND AIR CONDITIONING RME HVAC INC | 1140696 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2027 |
| Temecula, CA | ONE HOUR HEATING AND AIR CONDITIONING THOMPSON HEATING & AIR CONDITIONING LLC | 1159348 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2028 |
| Pleasant Hill, CA | ONE HOUR HEATING AND AIR CONDITIONING OF PLEASANT HILL SIGLER HOLDINGS INCORPORATED | 1138012 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2027 |
| Cerritos, CA | ONE STOP HEATING AND COOLING INC | 1099916 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2026 |
| Canyon Country, CA | ONE-STOP HEATING & COOLING INC | 1159265 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2028 |
| Ontario, CA | ONTARIO REFRIGERATION COMMERCIAL AIR CONDITIONING HEATING & CONTR ONTARIO REFRIGERATION SERVICE INC | 315638 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 28, 2027 |
| Alhambra, CA | ONTIME AIR SERVICE INC | 1158279 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2028 |
| Pleasanton, CA | ONZONE HEATING & COOLING INC | 1154419 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| Murrieta, CA | OPTIMAL AIR HEATING & AIR CONDITIONING OPTIMAL AIR INC | 994861 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2028 |
| Bakersfield, CA | OPTIMAL HEATING & AIR INC | 1063164 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jun 30, 2027 |
| Tustin, CA | OPTIMUM HVAC | 1074548 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2027 |
| Castaic, CA | OPTIMUS HVAC & PLUMBING INC | 1055837 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2027 |
| Rancho Cucamonga, CA | ORANGE COUNTY AIR SERVICES ORANGE COUNTY BUILDING SERVICES INC | 929240 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 28, 2027 |
| Tustin, CA | ORANGE COUNTY PLUMBING HEATING AIR CONDITIONING CO INC | 993990 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jun 30, 2028 |
| Orange, CA | ORANGE HEATING AIR CONDITIONING AND REFRIGERATION BAM MECHANICAL INC | 899409 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jun 30, 2027 |
| Winnetka, CA | ORBIT AIR CONDITIONING SUMAN LLC | 1150689 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 29, 2028 |
| White City, OR | OREGON S & S SHEETMETAL INC S & S SHEETMETAL INC | 682160 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2027 |
| Fullerton, CA | ORGIO AIR SERVICES | 1153303 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2028 |
| Tehachapi, CA | ORIGIN HEATING & AIR INC | 1136867 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2027 |
| Pleasant Hill, CA | ORIGIN MECHANICAL & HVAC INC | 1118842 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2028 |
| Citrus Heights, CA | OROSCO HEATING & AIR CONDITIONING LLC | 1023814 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2027 |
| Riverside, CA | OROZCO'S AIR CONDITIONING & HEATING INC | 1146121 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Nov 30, 2027 |
| Lakewood, CA | ORRAVAN MECHANICAL INC | 1025455 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2027 |
| Lancaster, CA | ORTIZ AIR INC | 904070 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2026 |
| Burlingame, CA | ORTIZ HEATING & AIR CONDITIONING INC | 803346 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2028 |
| San Pedro, CA | OSC AIR CONDITIONING & HEATING INC | 1124752 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2028 |
| Canoga Park, CA | OSINAGA AIR SYSTEMS INC | 1153758 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2028 |
| North Hollywood, CA | OSIPOV HVAC REPAIR LLC | 1143845 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2027 |
| Riverside, CA | OSL HEATING AND AIR | 1131337 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jan 31, 2027 |
| Gilroy, CA | OSS HVAC INC | 1134569 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2027 |
| Pleasant Hill, CA | OTTER SERVICES HVAC LLC | 1120686 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| Citrus Heights, CA | OTTERLY COOL PLUMBING HEATING AND AIR CALL OTTERLY INC | 1137324 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2027 |
| Sunland, CA | OTTO CLIMATE INC | 799428 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2027 |
| Rancho Cordova, CA | OVERHEAD PRODUCTS INC | 722313 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| Glendora, CA | P & A MECHANICAL | 1120042 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2028 |
| Torrance, CA | P & M MECHANICAL HEATING AND AIR CONDITIONING SPECIALISTS INC | 604936 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Oct 31, 2028 |
| Lakeside, CA | P A C HEATING & AIR CONDITIONING | 750189 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jun 30, 2028 |
| North Hollywood, CA | P A C SYSTEMS | 644677 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| Palm Desert, CA | P B MECHANICAL AIR SERVICES | 1016941 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2028 |
| San Clemente, CA | P C H SHEET METAL & AIR CONDITIONING INC | 807716 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| San Jose, CA | P C M HEATING AND AIR CONDITIONING INC | 633744 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2028 |
| Burbank, CA | P D S HEATING & COOLING INC | 1044424 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2028 |
| Corona, CA | P F I AIR CONDITIONING P F I COMPUTERS | 1009901 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2027 |
| Yuba City, CA | P M A HEATING & AIR | 1110954 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Oct 31, 2027 |
| Lenexa, KS | P1 MECHANICAL P1 CONSTRUCTION LLC | 1095829 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2028 |
| Tarzana, CA | PA COOLING & HEATING INC | 1121362 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| San Jose, CA | PAB SOLAR AND AIR INC | 853463 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2028 |
| Glendale, CA | PAC - WEST AIR CONDITIONING & HEATING INC | 834927 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 29, 2028 |
| Atascadero, CA | PACIFIC AIR CENTRAL COAST HEATING & AIR CONDITIONING INC | 543952 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2027 |
| Sacramento, CA | PACIFIC AIR DUCT LLC | 1156448 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jun 30, 2028 |
| Riverside, CA | PACIFIC AIR HEATING & COOLING INC | 858675 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2027 |
| San Diego, CA | PACIFIC AIR SYSTEMS LLC | 1136888 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2027 |
| Fremont, CA | PACIFIC BREEZE MECHANICAL | 955976 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2026 |
| San Diego, CA | PACIFIC COAST AIR INC | 997634 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Oct 31, 2026 |
| San Jose, CA | PACIFIC COAST BALANCING INC | 842702 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2028 |
| Oceanside, CA | PACIFIC COAST HEATING & AIR CONDITIONING INC | 737889 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jun 30, 2027 |
| Mission Hills, CA | PACIFIC COAST HEATING AND AIR INC | 1073914 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2027 |
| Huntington Beach, CA | PACIFIC COAST REFRIGERATION AND AIR CONDITIONING INC | 449240 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2027 |
| Lakeside, CA | PACIFIC COMFORT SYSTEMS | 1133712 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 28, 2027 |
| San Jose, CA | PACIFIC COOLING AND CALIBRATIONS | 931402 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2027 |
| San Francisco, CA | PACIFIC CREST MECHANICAL | 1157942 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2028 |
| Morro Bay, CA | PACIFIC HEATING AND SHEET METAL P H S M INC | 578710 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Nov 30, 2027 |
| Fullerton, CA | PACIFIC HVAC LLC | 1151166 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 29, 2028 |
| Riverside, CA | PACIFIC HVAC MECHANICAL | 1137800 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2027 |
| West Hills, CA | PACIFIC HVAC SERVICES INC | 1145354 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Oct 31, 2027 |
| Riverside, CA | PACIFIC MECHANICAL HVAC INC | 1046076 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Oct 31, 2026 |
| Burbank, CA | PACIFIC MODERN HVAC SOLUTIONS PACIFIC MODERN SOLUTIONS | 1154881 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| Cupertino, CA | PACIFIC NORTHSTAR MECHANICAL INC | 769797 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Oct 31, 2027 |
| Encino, CA | PACIFIC SOLUTION H V A C INC | 1032606 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Nov 30, 2027 |
| San Bruno, CA | PACIFIC SUSTAINABLE HEATING AND AIR LLC | 1160797 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2028 |
| Oxnard, CA | PACIFIC VIEW HEATING & COOLING INC | 1081434 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2027 |
| Garden Grove, CA | PACIFIC WEST HEATING COOLING MECHANICAL | 1117013 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 29, 2028 |
| Yucaipa, CA | PACIFIC WEST MECHANICAL INC | 1078924 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2027 |
| Vacaville, CA | PACKIN' HEAT HEATING AND AIR | 1102280 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2027 |
| Highland, CA | PAGEL PLUMBING INC | 185892 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2026 |
| Port Hueneme, CA | PALACIOS AC INC | 1123932 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2028 |
| Palm Desert, CA | PALM DESERT AIR CONDITIONING COMPANY PALM DESERT AIR CONDITIONING CO INC | 374937 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2027 |
| Antioch, CA | PALMA SUPER COLD HVAC | 1138662 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jun 30, 2027 |
| San Bruno, CA | PALMS MECHANICAL | 1105118 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2028 |
| Anza, CA | PALMS TO PINES HVAC INC | 1058240 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| East Palo Alto, CA | PALO ALTO PLUMBING HEATING AND AIR INC | 797913 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2027 |
| Indio, CA | PALOMA AIR CONDITIONING CORP | 1078957 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2027 |
| Glendale, CA | PALYAN'S HEATING AND COOLING | 1130839 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2026 |
| Valley Village, CA | PAPA KENNY'S AIR CONDITIONING AND HEATING LLC | 1090848 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2028 |
| Paradise, CA | PARADISE HEATING & AIR CONDITIONING LLC | 1090000 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Oct 31, 2028 |
| Fair Oaks, CA | PARADISE HEATING & AIR SOLUTIONS INC | 1135500 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2027 |
| Salida, CA | PARAMOUNT MECHANICAL INC | 1100832 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jan 31, 2028 |
| Lakewood, CA | PARKER HEATING & COOLING INC | 1014791 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2028 |
| Grand Terrace, CA | PARKER MECHANICAL INC | 1149142 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jan 31, 2028 |
| Sacramento, CA | PARKERS CITY WIDE HEATING AND AIR | 1100466 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jan 31, 2027 |
| Carson, CA | PARKS MECHANICAL INC AMPAM PARKS MECHANICAL INC | 775747 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2028 |
| Camarillo, CA | PARROTT AIRE INC | 783458 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2028 |
| Alameda, CA | PASO ROBLES PLUMBING HEATING AND AIR PIPEDREAMS VENTURES HOLDINGS LLC | 1099384 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2026 |
| Santa Clarita, CA | PATAGONIA HVAC LLC | 1155621 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| San Diego, CA | PATRIOT AIR AIR CONDITIONING & HEATING LLC | 1016726 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2027 |
| Oxnard, CA | PATRIOT AIR SYSTEMS INC | 962172 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jun 30, 2027 |
| San Rafael, CA | PATRIOT MECHANICAL INC | 774738 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2027 |
| Irvine, CA | PATRIOT PLUMBING & ROOTER INC | 834662 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2028 |
| Palm Springs, CA | PAUL'S AIR CONDITIONING AND HEATING VELCAST INC | 1148455 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2027 |
| Sacramento, CA | PAVLO HEATING AND COOLING INC | 949589 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jan 31, 2028 |
| Oak Hills, CA | PAX REFRIGERATION & AIR CONDITIONING PAX REFRIGERATION LLC | 1116876 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 29, 2028 |
| Valencia, CA | PAYLESS HEATING & AIR CONDITIONING INC | 895196 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2027 |
| West Hollywood, CA | PAYNE CO PAYNE D & SONS | 1061130 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2027 |
| Yorba Linda, CA | PB MECHANICAL HVAC INC | 1080960 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2027 |
| Clovis, CA | PDS PLUMBING & AIR PRO PLUMBING & DRAIN SOLUTIONS INC | 1019286 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2027 |
| Escondido, CA | PEACE & COMFORT HEATING AND AIR | 1080769 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2027 |
| San Diego, CA | PEAK AIR HEATING AND COOLING | 1137077 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2027 |
| Santa Paula, CA | PEARCE F M COMPANY INC | 721941 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2027 |
| Sonoma, CA | PEARCE HOME COMFORT INC | 882004 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 29, 2028 |
| Carlsbad, CA | PELICAN HEATING AND AIR INC | 1123973 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2028 |
| Morgan Hill, CA | PELLE HEATING & AIR INC | 809887 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Oct 31, 2027 |
| Oakdale, CA | PENA REFRIGERATION AIR SYSTEMS PENA REFRIGERATION HEATING & AIR INC | 834953 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2028 |
| Parlier, CA | PENA'S A/C & HEATING INC | 1122516 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jun 30, 2028 |
| Placentia, CA | PENGUIN HEATING AND AIR PENGUIN HEATING AND AIR INC | 1134055 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2027 |
| Bakersfield, CA | PENGUINS HEATING AND COOLING INC | 1146760 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Nov 30, 2027 |
| South San Francisco, CA | PENINSULA HEATING | 926857 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jan 31, 2027 |
| Cypress, CA | PENN AIR CONTROL INC | 348326 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 28, 2027 |
| San Jose, CA | PEREZ BROTHERS HEATING & AIR CONDITIONING CORP | 1128394 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Oct 31, 2028 |
| Merced, CA | PEREZ HEATING & AIR | 1102484 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2027 |
| Canyon Country, CA | PEREZ HVAC INC | 1106331 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| Winnetka, CA | PERFECT AIR HEATING & AIR CONDITIONING INC | 910488 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 29, 2028 |
| Simi Valley, CA | PERFECT CLIMATE HEATING & AIR CONDITIONING INC | 316805 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Oct 31, 2027 |
| Citrus Heights, CA | PERFECT COMFORT HEATING AND AIR | 1160238 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2028 |
| La Mesa, CA | PERFECT TEMP HEATING AND AIR INC | 1043271 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2028 |
| Placerville, CA | PERFECT TEMP HVAC INC | 934702 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 28, 2027 |
| Glendale, CA | PERFECT TEMPERATURE CONTROL HI SOURCE INC | 826089 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Oct 31, 2027 |
| Temecula, CA | PERFECTION PLUMBING HEATING & AIR INC | 878190 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| Lemoore, CA | PERFORMANCE AIR INC | 1038457 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 28, 2027 |
| Rancho Cucamonga, CA | PERFORMANCE AIR MECHANICAL INC | 1159233 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2028 |
| Anaheim, CA | PERFORMANCE AIR SYSTEMS P AIR INC | 748572 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2028 |
| Pine Valley, CA | PERFORMANCE AIR SYSTEMS INC | 566495 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2027 |
| Copperopolis, CA | PERFORMANCE BASED HEATING AND AIR INC | 998841 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jun 30, 2028 |
| Monterey Park, CA | PERFORMANCE PLUMBING HEATING AND AIR CONDITIONING INC | 775810 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| Sacramento, CA | PERMA SERVICES SHINOLA CA LLC | 1155388 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| Anaheim, CA | PETER'S HEATING & AIR CONDITIONING | 1053592 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jan 31, 2027 |
| Anaheim, CA | PETRA AIR SYSTEM INC | 973814 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jan 31, 2028 |
| Rogersville, AL | PETTUS PLUMBING & PIPING INC | 853551 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jan 31, 2027 |
| Chula Vista, CA | PHASE CHANGE MECHANICAL | 1143975 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2027 |
| San Juan Capistrano, CA | PHENIX HEATING AND AIR INC | 1080290 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2027 |
| Northridge, CA | PHILLIPS AIR CONDITIONING & HEATING | 1071573 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2026 |
| Lincoln, CA | PHILLIPS HEATING AND AIR | 1144179 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2027 |
| Antioch, CA | PHILLIPS MECHANICAL INC | 1053355 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2027 |
| San Leandro, CA | PHOENIX HEATING AND AIR CONDITIONING INC | 1012259 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2028 |
| Laguna Hills, CA | PHOENIX SOUTH INC | 752275 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2028 |
| Tulare, CA | PHS INC | 1130492 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2026 |
| Eastvale, CA | PICCO AIR CONTROL | 965342 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2027 |
| Covina, CA | PIGGIES AIR CONDITIONING | 1082773 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Oct 31, 2027 |
| Woodland, CA | PIKE MECHANICAL INC | 811495 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2027 |
| Oakdale, CA | PIMLEY HEATING & AIR INC | 977470 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2026 |
| Glendale, CA | PINNACLE HEATING & AIR | 1148273 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2027 |
| Menifee, CA | PINNACLE HVAC INC | 1161655 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2028 |
| Coto De Caza, CA | PINNACLE THERM MECHANICAL PINNACLE THERM INC | 1146771 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Nov 30, 2027 |
| Buellton, CA | PINOLI'S MECHANICAL CONTRACTING PINOLI REFRIGERATION COMPANY INC | 340309 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jan 31, 2027 |
| Pasadena, CA | PIONEERS HEATING AND AIR INC | 1091498 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| San Diego, CA | PIPE TRADES | 998580 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Nov 30, 2026 |
| La Mirada, CA | PIPELINE PLUMBING HEATING & AIR SYSTEMS UP INC | 537549 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2027 |
| Winchester, CA | PIPELINE PLUMBING HEATING & AIR CONDITIONING PIPELINE PLUMBING & DRAIN SPECIALISTS INC | 1009423 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2027 |
| Ontario, CA | PISCES PLUMBING | 1133446 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 28, 2027 |
| Redding, CA | PKD ENTERPRISES INC | 503253 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jun 30, 2027 |
| Sacramento, CA | PLAN A HEATING & AIR CONDITIONING_INC | 1116753 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 29, 2028 |
| Folsom, CA | PLANET MECHANICAL INC | 829096 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Oct 31, 2026 |
| San Jacinto, CA | PLATINUM HEATING & AIR CONDITIONING INC | 944307 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2028 |
| Diamond Bar, CA | PLHK HVAC INC | 1151997 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2028 |
| Redwood City, CA | PLOTKE PLUMBING & HEATING INC | 1048184 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2026 |
| Capitola, CA | PLUG-IN SERVICES | 1153198 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2028 |
| Mountain View, CA | PLUM HVAC LLC | 1087978 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| Burbank, CA | PLUMBING DUDES INC | 1027551 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jun 30, 2027 |
| Sacramento, CA | PLUMBING MACHINES CORPORATION THE | 909997 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2027 |
| San Clemente, CA | PLUMBING,HEATING AND AIR CONDITIONING D C PLUMBING INC | 571364 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2027 |
| Anaheim, CA | PMS HEATING & COOLING LLC | 1133139 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 28, 2027 |
| Los Alamos, CA | POLAR BEAR SERVICES INC | 940957 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2027 |
| Lake Elsinore, CA | POLAR EXPRESS HEATING AND AIR CONDITIONING INC | 995884 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 29, 2028 |
Alphabetical order — this site ranks no one. Company licenses with a clear status in the CSLB file of October 1, 2026. Sole owners are not on this site; for today's status and complaints, use the CSLB's Instant License Check. How to read this.