California contractors with employees — page 182 of 278
83,198 company licenses with workers' compensation insurance or self-insurance on file — the contractors that have employees.
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| Place | Contractor | License | Main classification | Expires |
|---|---|---|---|---|
| Los Alamitos, CA | NUWAY REMODELING INC | 1066534 | B — General Building | Jun 30, 2028 |
| Lomita, CA | NUWORLD AUTOMATION & LIGHTING RICO'S ELECTRIC INC | 835387 | C-10 — Electrical | Oct 31, 2027 |
| Sparks, NV | NV CARPENTRY LLC | 1135851 | C-6 — Cabinet, Millwork and Finish Carpentry | Apr 30, 2027 |
| Richmond, CA | NV CONSTRUCTION LLC | 1065384 | A — General Engineering | Apr 30, 2028 |
| Van Nuys, CA | NV FIRE PROTECTION SYSTEM INC | 1122071 | C-16 — Fire Protection | Jun 30, 2028 |
| San Bernardino, CA | NV GLASS WINDOWS & DOORS | 1078906 | C-17 — Glazing | Jul 31, 2027 |
| Sylmar, CA | NV LANDSCAPE CORP | 1119578 | C-27 — Landscaping | Apr 30, 2028 |
| Daly City, CA | NV ROOFING | 1155944 | C-39 — Roofing | May 31, 2028 |
| Dublin, CA | NVC CHILLER INC | 1114924 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jan 31, 2028 |
| Los Angeles, CA | NVD CONSTRUCTION INC | 1036505 | B — General Building | Mar 31, 2028 |
| San Luis Obispo, CA | NVIRO | 1056567 | A — General Engineering | Oct 31, 2026 |
| San Pablo, CA | NVIRO HARDWOOD FLOORS INC | 907420 | C-15 — Flooring and Floor Covering | Oct 31, 2027 |
| Los Angeles, CA | NVISION CONSTRUCTION INC | 1156833 | B — General Building | Jun 30, 2028 |
| Sparks, NV | NVISION GLASS INC | 950746 | C-17 — Glazing | Aug 31, 2028 |
| Hesperia, CA | NWC PAINTING PROS NAVARRO WATERPROOFING COMPANY LLC | 1129894 | C-33 — Painting and Decorating | Dec 31, 2026 |
| Kalispell, MT | NWESTCO LLC | 1073967 | A — General Engineering | Mar 31, 2027 |
| Rancho Cordova, CA | NWN SOLUTIONS CORPORATION NWN CORPORATION | 974914 | C-7 — Low Voltage Systems | Jul 31, 2028 |
| Concord, CA | NWP HEATING AND AIR | 1133687 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2027 |
| Riverbank, CA | NX STAGE SECURITY LLC | 1066427 | B — General Building | Jun 30, 2028 |
| Gaithersburg, MD | NXG | 1064631 | C-7 — Low Voltage Systems | Mar 31, 2028 |
| North Hollywood, CA | NXGEN BUILDERS INC | 1117612 | A — General Engineering | Mar 31, 2028 |
| St Martinville, LA | NXGEN DEMOLITION NXGEN ENVIRONMENTAL LLC | 1160361 | C-21 — Building Moving/Demolition | Sep 30, 2028 |
| Monterey, CA | NXP ENGINEERING NX PLUMBING & UNDERGROUND DIVISION | 1107857 | A — General Engineering | Jul 31, 2027 |
| Indio, CA | NXT GEN POOLS BUILDS AND MODS INC | 1094102 | C-53 — Swimming Pool | Jul 31, 2028 |
| Valencia, CA | NXT LEVEL MILLWORKS INC | 1086553 | C-6 — Cabinet, Millwork and Finish Carpentry | Jan 31, 2028 |
| Chula Vista, CA | NXTGEN PAINTING INC | 1086529 | C-33 — Painting and Decorating | Jan 31, 2028 |
| Sonoma, CA | NYBERG LANDSCAPING INCORPORATED | 510617 | C-27 — Landscaping | Aug 31, 2027 |
| Simi Valley, CA | NYBERG'S SECOND NATURE LANDSCAPE INC | 1004129 | C-27 — Landscaping | Aug 31, 2028 |
| Sacramento, CA | NYECON INC | 570016 | B — General Building | Jan 31, 2028 |
| Cameron Park, CA | NYSTROM DWAYNE GENERAL ENGINEERING | 1125219 | A — General Engineering | Aug 31, 2028 |
| Oakland, CA | NZILANI GLASS CONSERVATION | 1010577 | C-17 — Glazing | Jan 31, 2028 |
| Lodi, CA | O & C CUSTOM PAINTING INC | 943203 | C-33 — Painting and Decorating | Feb 29, 2028 |
| Anaheim, CA | O & CI PAINTING CORP | 1133463 | C-33 — Painting and Decorating | Feb 28, 2027 |
| La Mirada, CA | O & E BUILDERS INC | 1110555 | B — General Building | Sep 30, 2027 |
| North Hollywood, CA | O & J APPLIANCE REPAIR INC | 913341 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Apr 30, 2028 |
| North Hollywood, CA | O & J DOORS O & J LOCKSMITH DOORS & HARDWARE INC | 1014026 | D-28 — Doors, Gates and Activating Devices | May 31, 2028 |
| La Mirada, CA | O & J PAINTING CO O & J PAINTING INC | 1007420 | C-33 — Painting and Decorating | Dec 31, 2027 |
| San Diego, CA | O & J PLUMBING SERVICES INC | 1017676 | C-36 — Plumbing | Apr 30, 2027 |
| Sacramento, CA | O & J SEAMLESS GUTTERS | 1131209 | Classification D24 | Jan 31, 2027 |
| East Palo Alto, CA | O & J SERVICE LLC | 1158635 | B — General Building | Jul 31, 2028 |
| Yuma, AZ | O & M ELECTRICAL SERVICES INC | 944803 | C-10 — Electrical | Mar 31, 2028 |
| Arcata, CA | O & M INDUSTRIES | 284930 | A — General Engineering | Feb 29, 2028 |
| Escondido, CA | O & M MASONRY INC | 1125467 | B — General Building | Aug 31, 2028 |
| Palmdale, CA | O & S FRAMING | 1113108 | B — General Building | Nov 30, 2027 |
| West Covina, CA | O & Z PLUMBING WORK INC | 911682 | C-36 — Plumbing | Nov 30, 2027 |
| Orange, CA | O C & C CONSTRUCTION ORANGE CORROSION SERVICES INC | 915121 | A — General Engineering | Aug 31, 2027 |
| Los Angeles, CA | O C A ELECTRICAL INC | 989299 | C-7 — Low Voltage Systems | Dec 31, 2027 |
| San Francisco, CA | O C A L BUILDERS INC | 874320 | B — General Building | Mar 31, 2028 |
| Tustin, CA | O C AIRTECH LLC | 1096693 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Sep 30, 2028 |
| Lake Forest, CA | O C CARPET & MORE | 874254 | C-15 — Flooring and Floor Covering | Nov 30, 2027 |
| Orange, CA | O C CONCRETE STAIN INC | 1033023 | D-6 — Concrete Related Services | Nov 30, 2027 |
| Los Angeles, CA | O C CONSTRUCTION AND DESIGN INC | 984113 | B — General Building | Jun 30, 2027 |
| Laguna Beach, CA | O C CONSTRUCTION CLEANUP & HAULING CORP | 1013880 | D-63 — Construction Clean-up | May 31, 2028 |
| Sherman Oaks, CA | O C D INC | 461339 | B — General Building | Nov 30, 2026 |
| Huntington Beach, CA | O C DECKS MICROBIAL SOLUTIONS INC | 857286 | C-33 — Painting and Decorating | Apr 30, 2027 |
| Irvine, CA | O C FLOORING 3 J C CONSTRUCTION INC | 1055641 | B — General Building | Jul 31, 2027 |
| Yorba Linda, CA | O C GLAZING INC | 465501 | C-17 — Glazing | Aug 31, 2027 |
| Huntington Beach, CA | O C HOME BUILDERS INC | 1035464 | B — General Building | Jan 31, 2028 |
| Pomona, CA | O C I INC | 1121169 | B — General Building | May 31, 2028 |
| Berkeley, CA | O C JONES & SONS INC | 759729 | A — General Engineering | Mar 31, 2027 |
| Santa Ana, CA | O C LANDCARE INC | 1048028 | C-27 — Landscaping | Dec 31, 2026 |
| Orange, CA | O C M H INC | 1058665 | Classification D24 | Sep 30, 2027 |
| Irvine, CA | O C M I INC | 1027944 | B — General Building | Jun 30, 2027 |
| Westminster, CA | O C PLUMBING COMPANY THE | 858277 | C-36 — Plumbing | May 31, 2027 |
| Midway City, CA | O C PREMIER FLOORING INC | 1049576 | C-15 — Flooring and Floor Covering | Jan 31, 2027 |
| Fullerton, CA | O C PRO-PAINTERS LLC | 1042716 | C-33 — Painting and Decorating | Aug 31, 2028 |
| Santa Ana, CA | O C RAMPS INC | 995047 | A — General Engineering | Jul 31, 2028 |
| San Diego, CA | O C REMODELING INC | 1048696 | B — General Building | Jan 31, 2027 |
| Vista, CA | O C ROOFING CORPORATION | 1115216 | C-39 — Roofing | Jan 31, 2028 |
| Riverside, CA | O C S CONSTRUCTION SERVICES INC | 1001954 | B — General Building | Mar 31, 2027 |
| Anaheim, CA | O C TREE CARE | 859208 | D-49 — Tree Service | May 31, 2027 |
| Laguna Niguel, CA | O C TURF & PUTTING GREENS CORP | 992960 | C-27 — Landscaping | May 31, 2028 |
| City Of Industry, CA | O C VACUUM INC | 706710 | A — General Engineering | May 31, 2027 |
| Buena Park, CA | O C WELDING INC | 1037654 | C-60 — Welding | Apr 30, 2028 |
| Brea, CA | O D I C ENVIRONMENTAL | 918987 | A — General Engineering | Aug 31, 2028 |
| Moreno Valley, CA | O D PAINTING SERVICES O D SERVICES INC | 1046772 | C-33 — Painting and Decorating | Nov 30, 2026 |
| San Francisco, CA | O DONOGHUE CONSTRUCTION INC | 917704 | B — General Building | Jun 30, 2028 |
| Petaluma, CA | O F D ELECTRIC INC | 421881 | C-10 — Electrical | Mar 31, 2027 |
| San Diego, CA | O G FLOORING INC | 1092818 | C-15 — Flooring and Floor Covering | Sep 30, 2026 |
| Chula Vista, CA | O H E PAINTING & WALLCOVERING INC | 792958 | C-33 — Painting and Decorating | Jun 30, 2027 |
| Bakersfield, CA | O J COMMERCIAL REFRIGERATION INC | 1021049 | C-38 — Refrigeration | Nov 30, 2026 |
| Columbus, OH | O J INSULATION L P | 888804 | B — General Building | Dec 31, 2026 |
| La Puente, CA | O J O ALVAREZ CONSTRUCTION COMPANY INC | 1045167 | B — General Building | Oct 31, 2026 |
| Redwood City, CA | O J TILE AND GRANITE INC | 1038987 | C-54 — Ceramic and Mosaic Tile | May 31, 2028 |
| Los Angeles, CA | O K WELDING INC | 896275 | C-23 — Ornamental Metal | May 31, 2027 |
| Sun Valley, CA | O L DEVELOPMENT INC | 870164 | A — General Engineering | Dec 31, 2027 |
| Sunnyvale, CA | O LEARY PLUMBING INC | 1008614 | C-36 — Plumbing | Oct 31, 2027 |
| Soquel, CA | O M BUILDERS INC | 941600 | B — General Building | Dec 31, 2027 |
| Garden Grove, CA | O M C PAINTING CORP | 956032 | C-33 — Painting and Decorating | Dec 31, 2026 |
| Gardena, CA | O M CONSTRUCTION INC | 955105 | B — General Building | Dec 31, 2026 |
| Rancho Cucamonga, CA | O M ELECTRIC CORP | 1046558 | C-10 — Electrical | Oct 31, 2027 |
| Tarzana, CA | O M G REMODELING GBA REMODELING | 1118416 | B — General Building | Mar 31, 2028 |
| Santa Ana, CA | O M G TILE INC | 1060874 | C-54 — Ceramic and Mosaic Tile | Dec 31, 2027 |
| Cerritos, CA | O M ROOFING INC | 843668 | C-39 — Roofing | Sep 30, 2027 |
| Woodside, CA | O NELSON & SON INC | 307071 | A — General Engineering | Apr 30, 2027 |
| Reseda, CA | O P BUILDING SOLUTIONS INC | 1065295 | B — General Building | Apr 30, 2028 |
| Norwalk, CA | O P CONSTRUCTION INC | 814048 | B — General Building | Jun 30, 2027 |
| Discovery Bay, CA | O P FRAMERS INC | 877553 | B — General Building | May 31, 2028 |
| Santa Ana, CA | O P PLUMBING INC | 1020988 | C-36 — Plumbing | Jul 31, 2028 |
| Fairfield, CA | O P SOLUCTION CONSTRUCTION INC | 1148649 | B — General Building | Jan 31, 2028 |
| Perris, CA | O P STEEL INC | 997327 | C-13 — Fencing | Jun 30, 2028 |
| Los Angeles, CA | O PAINTING ORIENTAL PAINTING INT'L INC | 1064545 | C-33 — Painting and Decorating | Mar 31, 2028 |
| Palo Alto, CA | O R BUILDERS INC | 928399 | B — General Building | Nov 30, 2026 |
| Palm Desert, CA | O R D INC | 893549 | B — General Building | Mar 31, 2027 |
| La Mesa, CA | O R RENOVATIONS | 1056233 | B — General Building | Jul 31, 2027 |
| Stockton, CA | O RIVER CONSTRUCTION | 1067115 | B — General Building | Jul 31, 2028 |
| Highland, CA | O S BUILDERS INC | 1102498 | B — General Building | Mar 31, 2027 |
| Gardena, CA | O S I DESIGN INC | 1008378 | C-54 — Ceramic and Mosaic Tile | Oct 31, 2027 |
| Lafayette, CA | O S J ELECTRIC LLC | 1084134 | C-10 — Electrical | Sep 30, 2027 |
| Los Angeles, CA | O S PLUMBING INC | 966025 | C-36 — Plumbing | Sep 30, 2027 |
| Delhi, CA | O S R CONSTRUCTION SERVICES INC | 1058591 | B — General Building | Jun 30, 2028 |
| Wildomar, CA | O T C CONSTRUCTION INC | 1080669 | B — General Building | Sep 30, 2027 |
| Oakland, CA | O T ELECTRIC INC | 1062769 | C-10 — Electrical | Jan 31, 2028 |
| Sherman Oaks, CA | O T M DESIGNS & REMODELING INC | 634648 | B — General Building | Dec 31, 2027 |
| Rocklin, CA | O TILE LLC | 827397 | B — General Building | Mar 31, 2028 |
| Whittier, CA | O V C TILE | 1105349 | C-54 — Ceramic and Mosaic Tile | May 31, 2027 |
| Van Nuys, CA | O Z PAINTING INC | 932193 | C-33 — Painting and Decorating | Feb 29, 2028 |
| Ontario, CA | O&A CUSTOM WINDOW FASHIONS INC | 1083893 | D-52 — Window Coverings | Nov 30, 2027 |
| Compton, CA | O&A FRAMING INC | 1093863 | C-5 — Framing and Rough Carpentry | Jul 31, 2028 |
| San Bruno, CA | O&F CONSTRUCTION | 1132087 | B — General Building | Jan 31, 2027 |
| Norwalk, CA | O&H PAVING INC | 1116250 | C-12 — Earthwork and Paving | Feb 29, 2028 |
| Napa, CA | O'BRIEN BUILDERS O'B B INC | 407631 | B — General Building | Apr 30, 2027 |
| Yucca Valley, CA | O'BRIEN CONCRETE LLC | 1117354 | C-8 — Concrete | Mar 31, 2028 |
| Stockton, CA | O'BRIEN CRANE & RIGGING INC | 692309 | C-51 — Structural Steel | Jul 31, 2028 |
| Redondo Beach, CA | O'BRIEN ELECTRIC CO INC | 964610 | C-10 — Electrical | Aug 31, 2027 |
| San Francisco, CA | O'BRIEN MECHANICAL INC II | 754629 | C-4 — Boiler, Hot Water Heating and Steam Fitting | Sep 30, 2028 |
| Petaluma, CA | O'BRIEN PAINTING | 302145 | C-33 — Painting and Decorating | Feb 28, 2027 |
| Stockton, CA | O'BRIEN STEEL ERECTORS INC | 810908 | C-51 — Structural Steel | Jul 31, 2028 |
| Simi Valley, CA | O'BRYANT ELECTRIC INC | 386619 | C-10 — Electrical | Jan 31, 2028 |
| Winchester, CA | O'CONNELL ENGINEERING & CONSTRUCTION INC | 883686 | A — General Engineering | Apr 30, 2027 |
| Petaluma, CA | O'CONNELL LANDSCAPE STIPA CORPORATION THE | 745046 | C-27 — Landscaping | Jan 31, 2028 |
| Rancho Santa Margarita, CA | O'CONNELL LANDSCAPE MAINTENANCE INC | 383168 | C-27 — Landscaping | Oct 31, 2027 |
| Costa Mesa, CA | O'CONNOR CONSTRUCTION MANAGEMENT INC | 813408 | B — General Building | Oct 31, 2028 |
| Palmdale, CA | O'CONNOR JACK CONSTRUCTION INC | 866866 | B — General Building | Nov 30, 2027 |
| Van Nuys, CA | O'CONNOR MICHAEL J LANDSCAPING INC | 292515 | C-27 — Landscaping | Nov 30, 2027 |
| San Francisco, CA | O'CONNOR PIPELINES INC | 1056307 | A — General Engineering | Mar 31, 2028 |
| South San Francisco, CA | O'CONNOR PLUMBING & FIRE PROTECTION INC | 498866 | C-16 — Fire Protection | Apr 30, 2028 |
| Oak Hills, CA | O'CONNOR PLUMBING COMPANY INC | 1072345 | C-36 — Plumbing | Dec 31, 2026 |
| Roseville, CA | O'CONNOR POOL SOLUTIONS INC | 1071914 | C-53 — Swimming Pool | Dec 31, 2026 |
| Spring Valley, CA | O'CONNOR ROOFING CONSTRUCTION INC | 520956 | B — General Building | Sep 30, 2027 |
| Encino, CA | O'CONNOR T H CONSTRUCTION INC | 762763 | B — General Building | May 31, 2027 |
| Palm Desert, CA | O'DONNELL BROTHERS CONSTRUCTION | 469994 | B — General Building | Feb 28, 2027 |
| Fairfax, CA | O'DONNELL ENTERPRISES INC | 606818 | B — General Building | Nov 30, 2026 |
| Quartz Hill, CA | O'DONNELL HEATING & AIR INC | 910978 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 29, 2028 |
| Santa Clara, CA | O'DONNELL PLASTERING INC | 429061 | C-9 — Drywall | Oct 31, 2028 |
| Larkspur, CA | O'DONOVAN BUILDERS INC | 769839 | B — General Building | Sep 30, 2028 |
| San Francisco, CA | O'DONOVAN PLUMBING INC | 582534 | C-16 — Fire Protection | Jul 31, 2028 |
| San Francisco, CA | O'DRISCOLL J ELECTRICAL INC | 835358 | C-10 — Electrical | Mar 31, 2027 |
| Burlingame, CA | O'DWYER CONSTRUCTION INC | 833120 | B — General Building | Feb 29, 2028 |
| Dana Point, CA | O'GRADY HOMES INC | 601633 | B — General Building | Apr 30, 2028 |
| Mt View, CA | O'GRADY PAVING INC | 201696 | A — General Engineering | Dec 31, 2027 |
| Aliso Viejo, CA | O'HAGAN ELECTRIC INC | 1022498 | C-10 — Electrical | Nov 30, 2027 |
| Mendocino, CA | O'HALLORAN MATTHEW PAINTING INC | 650051 | C-33 — Painting and Decorating | Feb 29, 2028 |
| Millbrae, CA | O'HALLORAN PLASTERING AND STUCCO INC | 944886 | C-35 — Lathing and Plastering | Mar 31, 2028 |
| Chicago, IL | O'HARA'S SON ROOFING COMPANY J3 CONSTRUCTION INC | 1112198 | C-39 — Roofing | Nov 30, 2027 |
| San Francisco, CA | O'KANE CONSTRUCTION LLC | 701012 | B — General Building | Apr 30, 2027 |
| San Francisco, CA | O'KEEFFE CONSTRUCTION INC | 788698 | B — General Building | Dec 31, 2026 |
| Brisbane, CA | O'KEEFFE'S INC | 101981 | B — General Building | May 31, 2028 |
| Ladera Ranch, CA | O'LEARY CONSTRUCTION SERVICES INC | 952484 | B — General Building | Nov 30, 2026 |
| Carnelian Bay, CA | O'LEARY CUSTOM BUILDING INC | 800794 | B — General Building | Sep 30, 2027 |
| Milpitas, CA | O'LEARY RENOVATIONS INC | 839450 | B — General Building | Sep 30, 2027 |
| Modesto, CA | O'LEARY ROWAN DATA SYSTEMS O R ENTERPRISES INC | 752744 | C-7 — Low Voltage Systems | Aug 31, 2028 |
| Winnetka, CA | O'LINN EXECUTIVE SECURITY SERVICE INC | 602489 | C-7 — Low Voltage Systems | Sep 30, 2028 |
| Elk Grove, CA | O'LIVE CONSTRUCTION BARA CORPORATION | 1109495 | B — General Building | Aug 31, 2027 |
| Glendora, CA | O'MAHONY AIR CONDITIONING AND HEATING INC | 871945 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Nov 30, 2027 |
| Grafton, WI | O'MALLEY FINISH CARPENTRY LLC | 989773 | C-6 — Cabinet, Millwork and Finish Carpentry | Oct 31, 2026 |
| San Diego, CA | O'MALLEY R H INCORPORATED | 809980 | B — General Building | Jun 30, 2028 |
| San Jose, CA | O'MAOINAGH BRIAN CONSTRUCTION INC | 1029648 | B — General Building | Aug 31, 2027 |
| Canyon Country, CA | O'MARA THOMAS W PLUMBING INC | 684369 | C-36 — Plumbing | Jul 31, 2028 |
| Gilroy, CA | O'NEAL ROOFING INC | 630984 | C-39 — Roofing | May 31, 2027 |
| Temecula, CA | O'NEIL J W CONSTRUCTION INC | 1116026 | A — General Engineering | Feb 29, 2028 |
| El Segundo, CA | O'NEIL W E CONSTRUCTION CO OF CALIFORNIA | 494031 | A — General Engineering | Jun 30, 2028 |
| Pleasanton, CA | O'NEIL W E CONSTRUCTION CO OF NORCAL | 1100240 | B — General Building | Jan 31, 2027 |
| San Francisco, CA | O'NEILL BUCK BUILDERS INC | 877411 | B — General Building | Mar 31, 2027 |
| Alameda, CA | O'NEILL BUILT CONSTRUCTION | 1031466 | B — General Building | Jan 31, 2028 |
| San Rafael, CA | O'NEILL CONSTRUCTION INC | 710034 | B — General Building | Jul 31, 2027 |
| Livermore, CA | O'NEILL J M INC | 447618 | B — General Building | Oct 31, 2027 |
| Chula Vista, CA | O'NEILL M KEVIN CONSTRUCTION COMPANY INC | 377869 | A — General Engineering | Aug 31, 2027 |
| Pittsburg, CA | O'PRO CONSTRUCTION INC | 1029997 | B — General Building | Aug 31, 2027 |
| Martinez, CA | O'REILLY ELECTRIC INC | 691491 | C-10 — Electrical | Dec 31, 2026 |
| San Francisco, CA | O'REILLY SEAN GENERAL CONTRACTOR INC | 812877 | B — General Building | Mar 31, 2028 |
| San Mateo, CA | O'RIORDAN CONSTRUCTION INC | 670221 | ASB — Asbestos Certification | Jul 31, 2027 |
| Redondo Beach, CA | O'ROURKE CONSTRUCTION INC | 808562 | B — General Building | May 31, 2028 |
| Santa Rosa, CA | O'ROURKE ELECTRIC INC | 682968 | B — General Building | Dec 31, 2027 |
| San Francisco, CA | O'SHAUGHNESSY MICHAEL CONSTRUCTION INC | 984235 | A — General Engineering | Jun 30, 2027 |
| San Francisco, CA | O'SHEA CO HOME GROWN CONSTRUCTION LLC | 890253 | B — General Building | Aug 31, 2028 |
| Cayucos, CA | O'SHEA SHAUN AND ASSOCIATES INC | 1135589 | B — General Building | Apr 30, 2027 |
| San Ramon, CA | O'SULLIVAN & SON CONSTRUCTION INC | 902262 | B — General Building | Apr 30, 2027 |
| Lawndale, CA | O'SULLIVAN CONSTRUCTION LLC | 964338 | B — General Building | Apr 30, 2028 |
| Burlingame, CA | O'TOOLE CONSTRUCTION INC | 1031460 | B — General Building | Sep 30, 2027 |
| Oceanside, CA | O-SIDE PAINTING INC | 1023732 | C-33 — Painting and Decorating | Feb 28, 2027 |
| Commerce, CA | O2 WEST PREFAB EQUIPMENT O2 WEST GROUP INC | 1089545 | D-34 — Prefabricated Equipment | Apr 30, 2028 |
| Turlock, CA | OA CABINETS LLC | 1157585 | C-6 — Cabinet, Millwork and Finish Carpentry | Jul 31, 2028 |
| Sherman Oaks, CA | OA SOLUTIONS INC | 1077353 | D-28 — Doors, Gates and Activating Devices | Oct 31, 2027 |
| Porterville, CA | OACYS ENGINEERING OACYS TECHNOLOGY | 1033846 | A — General Engineering | Dec 31, 2027 |
| San Pablo, CA | OAK & IRON BUILDWORKS CALIBER CARPENTRY INC | 1063290 | B — General Building | Feb 29, 2028 |
| Corona, CA | OAK & STEEL CONTRACTING CO INC | 1106836 | C-54 — Ceramic and Mosaic Tile | Jul 31, 2027 |
| Sylmar, CA | OAK AVENUE CARPENTRY INC | 1147980 | C-5 — Framing and Rough Carpentry | Dec 31, 2027 |
| Arroyo Grande, CA | OAK COAST CONSTRUCTION INC | 735734 | B — General Building | Mar 31, 2028 |
| Valley Village, CA | OAK CONSTRUCTION OAK CONSULTING INC | 1122271 | B — General Building | Jun 30, 2028 |
| San Diego, CA | OAK CONSTRUCTION COMPANY | 1048206 | B — General Building | Jul 31, 2027 |
| Los Angeles, CA | OAK CREST LANDSCAPE AND LIGHTING INC | 618707 | C-7 — Low Voltage Systems | Apr 30, 2028 |
| Woodland Hills, CA | OAK DEVELOPMENT THE | 1094201 | B — General Building | Jul 31, 2028 |
| San Francisco, CA | OAK ELECTRIC INC | 955017 | C-10 — Electrical | Nov 30, 2026 |
| Anaheim, CA | OAK GROVE LANDSCAPE INC | 943578 | C-27 — Landscaping | Feb 29, 2028 |
| Bay Point, CA | OAK GROVE TREE CARE OAK GROVE TREE CARE CORP | 1113014 | D-49 — Tree Service | Nov 30, 2027 |
| Elverta, CA | OAK HILLS LANDSCAPING INC | 1026332 | C-27 — Landscaping | May 31, 2027 |
| Concord, CA | OAK KNOLL VERTICAL LLC | 1116595 | B — General Building | Feb 29, 2028 |
| Oakland, CA | OAK LEAF PAINTING AND MAINTENANCE INC | 961547 | C-33 — Painting and Decorating | May 31, 2027 |
| Walnut Creek, CA | OAK MOUNTAIN CABINETS FONTAN DAVID C INC | 669634 | B — General Building | Jun 30, 2028 |
| Los Angeles, CA | OAK NAMU CONSTRUCTION INC | 1107320 | B — General Building | Jul 31, 2027 |
| Oakland, CA | OAK PARK CONSTRUCTION CARVAJAL CORPORATION | 836251 | B — General Building | Apr 30, 2028 |
| Reseda, CA | OAK PARK CONSTRUCTION INC | 787852 | B — General Building | Nov 30, 2026 |
| Benicia, CA | OAK PLUMBING INC | 1018855 | C-36 — Plumbing | Sep 30, 2028 |
| Chico, CA | OAK RIDGE CABINETS INC | 754876 | B — General Building | Oct 31, 2026 |
| Atascadero, CA | OAK RIDGE CUSTOM BUILDERS LLC | 1028902 | B — General Building | Jul 31, 2027 |
| Thousand Oaks, CA | OAK RIDGE LANDWORKS INC | 942231 | C-27 — Landscaping | May 31, 2027 |
| Petaluma, CA | OAK RIVER LANDSCAPING INC | 1034137 | C-27 — Landscaping | Dec 31, 2027 |
| Healdsburg, CA | OAK SHADOWS CONSTRUCTION COMPANY INCORPORATED | 757415 | B — General Building | Dec 31, 2026 |
| Sylmar, CA | OAK SPRINGS NURSERY INC | 906491 | B — General Building | Nov 30, 2027 |
| Vallejo, CA | OAK STREET MANAGEMENT INC | 1074417 | A — General Engineering | Apr 30, 2027 |
| Sonoma, CA | OAK STREET REFRIGERATION INC | 640199 | C-10 — Electrical | Sep 30, 2028 |
| Oceanside, CA | OAK TREE BUILDERS OAK TREE INDUSTRIES INC | 1111593 | B — General Building | Oct 31, 2027 |
| Malibu, CA | OAK TREE CONSTRUCTION INC | 518650 | A — General Engineering | Sep 30, 2028 |
| Auburn, CA | OAK VALLEY FENCE LLC | 1156826 | C-13 — Fencing | Jun 30, 2028 |
| Salinas, CA | OAK VALLEY FLOORING INC | 1101514 | C-15 — Flooring and Floor Covering | Feb 28, 2027 |
| Escondido, CA | OAK VALLEY LLC | 1104283 | C-27 — Landscaping | May 31, 2027 |
| Corona, CA | OAK-IT INC | 646506 | C-6 — Cabinet, Millwork and Finish Carpentry | May 31, 2028 |
| West Hills, CA | OAKASA CONSTRUCTION SERVICES OAKASA INC | 1098151 | B — General Building | Oct 31, 2026 |
| San Clemente, CA | OAKBROOK LANDSCAPE AND POOL CONSTRUCTION INC | 899481 | C-27 — Landscaping | Mar 31, 2027 |
| Rocklin, CA | OAKCREEK CONSTRUCTION INC | 1098252 | B — General Building | Oct 31, 2028 |
| Oakdale, CA | OAKDALE GLASS INC | 1052320 | C-17 — Glazing | Apr 30, 2027 |
| Turlock, CA | OAKDALE ROOFING INC | 964526 | C-39 — Roofing | Aug 31, 2027 |
| West Hills, CA | OAKHORN POOLS & LANDSCAPE DECARDO'S POOLS AND LANDSCAPE INC | 532429 | B — General Building | Oct 31, 2027 |
| Oakhurst, CA | OAKHURST FLOORING LLC | 900300 | B-2 — Residential Remodeling | Dec 31, 2027 |
| Anaheim, CA | OAKLAND COMPANY INC | 837571 | B — General Building | May 31, 2028 |
| Tracy, CA | OAKLAND TRENCHLESS & ROOTER BEYOND PLUMBING INC | 810801 | C-42 — Sanitation System | Oct 31, 2028 |
| Oakland, CA | OAKLAND UNITED STUDIOS DECLERCQ'S THEATRICAL SPECIALTIES INC | 662023 | C-7 — Low Voltage Systems | Dec 31, 2026 |
| Sausalito, CA | OAKLEAF CONSTRUCTION | 842136 | B — General Building | Jun 30, 2028 |
| Watsonville, CA | OAKLEAF WOODWORKS LLC | 1062237 | C-6 — Cabinet, Millwork and Finish Carpentry | Mar 31, 2027 |
| Oakley, CA | OAKLEY HEATING AND AIR LLC | 1125470 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Aug 31, 2028 |
| Torrance, CA | OAKLEY PLUMBING INC | 926402 | C-36 — Plumbing | May 31, 2028 |
| Oakland, CA | OAKLINE ELECTRIC LLC | 1161640 | C-10 — Electrical | Sep 30, 2028 |
| Agua Dulce, CA | OAKMONT BUILDERS INC | 978123 | B — General Building | Feb 28, 2027 |
| Visalia, CA | OAKMORE CONSTRUCTION FCM COMPANY LLC | 1085835 | B — General Building | Jan 31, 2028 |
| Yucaipa, CA | OAKRIDGE CONSTRUCTION & ENERGY OAKRIDGE ENERGY & DEVELOPMENT INC | 975448 | A — General Engineering | Jul 31, 2028 |
| Pomona, CA | OAKRIDGE INDUSTRIES INCORPORATED | 453094 | C-8 — Concrete | Mar 31, 2028 |
| Valencia, CA | OAKRIDGE LANDSCAPE INC | 798565 | A — General Engineering | Aug 31, 2027 |
| Thousand Oaks, CA | OAKS SECURITY INC | 856148 | C-7 — Low Voltage Systems | Mar 31, 2027 |
| Temple City, CA | OAKSHIRE CONSTRUCTION INC | 1125447 | B — General Building | Aug 31, 2028 |
| Lawndale, CA | OAKSTONE PAINTING CO | 1087677 | C-33 — Painting and Decorating | Feb 29, 2028 |
| Fort Bragg, CA | OAKTREE CONSTRUCTION OAKTREE CONSTRUCTION & LANDSCAPING LLC | 1132204 | B — General Building | Jul 31, 2027 |
| Beaumont, CA | OAKTREE ENGRAVING AND MONUMENTS INC | 1113083 | B — General Building | Nov 30, 2027 |
| San Carlos, CA | OAKVIEW CONSTRUCTION LLC | 1121680 | B — General Building | Jun 30, 2028 |
| Calimesa, CA | OAKVIEW CONSTRUCTORS INC | 462847 | B — General Building | Jun 30, 2028 |
| Napa, CA | OAKVILLE PUMP SERVICE INC | 744958 | A — General Engineering | Jan 31, 2028 |
| Anaheim, CA | OAKWEST SERVICES INC | 989015 | A — General Engineering | Dec 31, 2027 |
| Irvine, CA | OAKWOOD COMMUNITIES INC | 974056 | B — General Building | Jun 30, 2028 |
| Occidental, CA | OAKWOOD CONSTRUCTION INC | 530710 | B — General Building | Jan 31, 2027 |
| Lincoln, CA | OAKWOOD REMODELING GROUP | 1125321 | B — General Building | Aug 31, 2028 |
| San Francisco, CA | OARCON INC | 1016698 | B — General Building | Jul 31, 2028 |
| Bakersfield, CA | OASIS AIR AND SOLAR | 1038061 | C-2 — Insulation and Acoustical | Apr 30, 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 |
| Bakersfield, CA | OASIS AIR CONDITIONING INC | 297547 | B — General Building | Jul 31, 2027 |
| Bellflower, CA | OASIS BATH REMODELS LLC | 1137084 | B-2 — Residential Remodeling | May 31, 2027 |
| Anaheim, CA | OASIS BLU POOLS PRECISION CONSTRUCTION DEVELOPMENT LLC | 1146158 | C-53 — Swimming Pool | Nov 30, 2027 |
| Los Angeles, CA | OASIS BUILDERS INC | 1055132 | B — General Building | Jun 30, 2027 |
| Sherman Oaks, CA | OASIS COMFORT COOLING AND HEATING INC | 1155616 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| Antelope, CA | OASIS COMMUNITY BUILDERS | 1103472 | B — General Building | Apr 30, 2027 |
| East Palo Alto, CA | OASIS CONSTRUCTION AND PAINTING OASIS PAINTING INC | 988940 | B — General Building | Dec 31, 2027 |
| Santa Ana, CA | OASIS CUSTOM TILE | 1113611 | C-54 — Ceramic and Mosaic Tile | Dec 31, 2027 |
| San Mateo, CA | OASIS GARDENS LLC | 1084066 | C-27 — Landscaping | Nov 30, 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 |
| Lancaster, CA | OASIS INTEGRATION | 1054922 | C-7 — Low Voltage Systems | Jun 30, 2027 |
| Compton, CA | OASIS LANDSCAPING CORP | 1147867 | C-27 — Landscaping | Dec 31, 2027 |
| Temecula, CA | OASIS PLUMBING & DRAIN SERVICE INC | 771930 | C-36 — Plumbing | Jul 31, 2027 |
| San Marcos, CA | OASIS PLUMBING HEATING & AIR CONDITIONING | 1093808 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2028 |
| Visalia, CA | OASIS POOL AND SPA OASIS POOL INC | 877307 | C-53 — Swimming Pool | May 31, 2027 |
| Petaluma, CA | OASIS PUMP & DRILLING AROLO CO INC | 242168 | C-10 — Electrical | Aug 31, 2028 |
| San Diego, CA | OASIS RENOVATION & NEW CONSTRUCTION INC | 1046675 | B — General Building | Nov 30, 2026 |
| Montebello, CA | OASYS CONSTRUCTION & DESIGN INC | 862953 | B — General Building | Aug 31, 2027 |
| South San Francisco, CA | OAX COMMUNICATIONS & ELECTRIC LLC | 1056151 | C-7 — Low Voltage Systems | Sep 30, 2028 |
| Los Angeles, CA | OAX G GROUP INC | 1106122 | B — General Building | Jun 30, 2027 |
| National City, CA | OB CONSTRUCTION & ENGINEERING CORP | 1114983 | A — General Engineering | Jan 31, 2028 |
| Los Angeles, CA | OB ROOFING INC | 1135255 | C-39 — Roofing | Apr 30, 2027 |
| Foster City, CA | OBAYASHI - DRILL TECH JOINT VENTURE | 1132057 | A — General Engineering | Jan 31, 2027 |
| Foster City, CA | OBAYASHI CORPORATION | 346881 | A — General Engineering | Sep 30, 2028 |
| Foster City, CA | OBAYASHI USA LLC | 980813 | B — General Building | Jan 31, 2027 |
| Foster City, CA | OBAYASHI/ SMCI JOINT VENTURE | 1057502 | A — General Engineering | Aug 31, 2027 |
| Running Springs, CA | OBE & SONS INC | 516351 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Mar 31, 2028 |
| Whittier, CA | OBEL'S PAINT & DESIGN INC | 1100425 | C-33 — Painting and Decorating | Jan 31, 2027 |
| North Edwards, CA | OBELISK DEVELOPMENT INC | 1134705 | B — General Building | Mar 31, 2027 |
| Campbell, CA | OBELISK LANDSCAPE IRRAGATION SERVICES | 1129524 | C-27 — Landscaping | Nov 30, 2026 |
| Fort Collins, CO | OBERMEYER HYDRO INC | 912671 | D-64 — Non-specialized | Mar 31, 2028 |
| San Bernardino, CA | OBIL ROOFING LLC | 1159086 | C-39 — Roofing | Aug 31, 2028 |
| Paso Robles, CA | OBISPO TILE INC | 1088166 | C-54 — Ceramic and Mosaic Tile | Mar 31, 2028 |
| Bakersfield, CA | OBL CONSTRUCTION LLC | 1152019 | B — General Building | Mar 31, 2028 |
| Clearlake, CA | OBM CONSTRUCTION INC | 1142422 | B — General Building | Aug 31, 2027 |
| Oakland, CA | OBR ELECTRIC LIMITED LIABILITY CO | 1094999 | C-10 — Electrical | Aug 31, 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.