A — page 24 of 37
10,968 clear company licenses whose first classification is “A — General Engineering”.
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| Place | Contractor | License | Main classification | Expires |
|---|---|---|---|---|
| Petaluma, CA | NELSON CONSTRUCTION NELSON PAT CONSTRUCTION INC | 601031 | A — General Engineering | Nov 30, 2027 |
| Rio Oso, CA | NELSON E C INC | 532673 | A — General Engineering | Jun 30, 2028 |
| Santa Clarita, CA | NELSON E D CONSTRUCTION | 701259 | A — General Engineering | Jan 31, 2027 |
| Petaluma, CA | NELSON GREG CONSTRUCTION INC | 1082086 | A — General Engineering | Dec 31, 2027 |
| Selma, CA | NELSON HOMES INC | 551247 | A — General Engineering | Nov 30, 2027 |
| Banning, CA | NELSON J P & SONS CONSTRUCTION INC | 437127 | A — General Engineering | Oct 31, 2027 |
| Holtville, CA | NELSON JIM CONSTRUCTION INC | 964400 | A — General Engineering | Aug 31, 2027 |
| Selma, CA | NELSON LEWIS C AND SONS INC | 395188 | A — General Engineering | Nov 30, 2026 |
| Perris, CA | NELSON PAVING SERVICES INC | 988035 | A — General Engineering | Oct 31, 2027 |
| Visalia, CA | NELSON R T COMPANY INC | 962935 | A — General Engineering | Jun 30, 2027 |
| San Francisco, CA | NELSON RONALD R CONTRACTOR INC | 247431 | A — General Engineering | Mar 31, 2028 |
| Visalia, CA | NELSON UNDERGROUND | 836384 | A — General Engineering | Oct 31, 2027 |
| San Diego, CA | NEMACO INCORPORATED | 839107 | A — General Engineering | Aug 31, 2028 |
| Wilton, CA | NEMETZ R A CONSTRUCTION CO INC | 382708 | A — General Engineering | Dec 31, 2027 |
| Novato, CA | NERVIANI PAVING INC | 564392 | A — General Engineering | Apr 30, 2028 |
| Upland, CA | NESA ENGINEERING CONTRACTOR INC | 1051883 | A — General Engineering | Apr 30, 2027 |
| Fresno, CA | NESM / WEBCOR A JOINT VENTURE | 1044613 | A — General Engineering | Sep 30, 2028 |
| Santa Rosa, CA | NESSCO CONSTRUCTION INC | 765763 | A — General Engineering | Jul 31, 2027 |
| Alpine, CA | NETWORK SECURITY NETWORK SECURITY ELECTRONICS INC | 891118 | A — General Engineering | Feb 28, 2027 |
| Camp Verde, AZ | NETWORX CABLING SYSTEMS INCORPORATED | 963850 | A — General Engineering | Jul 31, 2027 |
| San Marcos, CA | NEUROTH CONSTRUCTION INC | 1062300 | A — General Engineering | Jun 30, 2028 |
| Brownsburg, IN | NEVADA BADGER DAYLIGHTING CORP BADGER DAYLIGHTING CORP | 945499 | A — General Engineering | Apr 30, 2028 |
| Reno, NV | NEVADA CAMPBELL CONSTRUCTION COMPANY INC CAMPBELL CONSTRUCTION CO INC | 794570 | A — General Engineering | May 31, 2027 |
| Reno, NV | NEVADA MILES CONSTRUCTION MILES CONSTRUCTION | 899189 | A — General Engineering | Jun 30, 2027 |
| Granite Bay, CA | NEVADA PACIFIC ROOFING INC | 929406 | A — General Engineering | Mar 31, 2027 |
| Fernley, NV | NEVADA TOWER LLC | 1101068 | A — General Engineering | Feb 28, 2027 |
| Watsonville, CA | NEW BRIGHTON BUILDERS INC | 1038633 | A — General Engineering | Apr 30, 2028 |
| Mission Viejo, CA | NEW CASTLE DEVELOPMENT | 604172 | A — General Engineering | Oct 31, 2026 |
| Turlock, CA | NEW CENTURY CONSTRUCTION & CONSULTING INC | 1081711 | A — General Engineering | Sep 30, 2027 |
| Lakeside, CA | NEW CENTURY CONSTRUCTION INC | 614517 | A — General Engineering | Sep 30, 2028 |
| Bonsall, CA | NEW CITY CONSULTING INC | 1071459 | A — General Engineering | Sep 30, 2028 |
| Bellflower, CA | NEW CREATION BUILDERS NEW CREATION ENGINEERING & BUILDERS INC | 768842 | A — General Engineering | Sep 30, 2027 |
| Tustin, CA | NEW DYNASTY CONSTRUCTION CO | 971321 | A — General Engineering | Mar 31, 2028 |
| Fresno, CA | NEW ENGLAND SHEET METAL AND MECHANICAL CO | 433674 | A — General Engineering | Dec 31, 2027 |
| Carson, CA | NEW GENERATION ENGINEERING CONSTRUCTION INC THE | 1019608 | A — General Engineering | Nov 30, 2026 |
| Rancho Cucamonga, CA | NEW LEGACY DEVELOPMENT CORP | 853732 | A — General Engineering | Jan 31, 2027 |
| Edgewater, FL | NEW LINE SKATEPARKS FL INC | 1136315 | A — General Engineering | Apr 30, 2027 |
| Cloverdale, VA | NEW RIVER ELECTRICAL CORPORATION | 753834 | A — General Engineering | Sep 30, 2028 |
| Rolling Hills Estates, CA | NEW SAMHAE CONSTRUCTION INC | 1146702 | A — General Engineering | Nov 30, 2027 |
| El Cajon, CA | NEW VISION BUILDING & DESIGN S D GLOBAL DEVELOPMENT | 985942 | A — General Engineering | Aug 31, 2027 |
| Victorville, CA | NEW WORK CONSTRUCTION CORP | 1097477 | A — General Engineering | Oct 31, 2026 |
| Orange, CA | NEWBUILD CONSTRUCTION AND RESTORATION INC | 1010827 | A — General Engineering | Feb 29, 2028 |
| Chino, CA | NEWKIRK'S BACKHOE RENTAL INC | 770639 | A — General Engineering | Oct 31, 2027 |
| Chino, CA | NEWKIRK'S EXCAVATION INC | 715507 | A — General Engineering | Jul 31, 2028 |
| Yuba City, CA | NEWLAND ENTITIES INC | 785949 | A — General Engineering | Oct 31, 2028 |
| Rio Linda, CA | NEWLOOK REALTY COMPANY | 1015279 | A — General Engineering | Jul 31, 2028 |
| Tarzana, CA | NEWMAN AND SONS INC | 150631 | A — General Engineering | Jul 31, 2028 |
| Orange, CA | NEWMAN BACKHOE SERVICE INC | 265404 | A — General Engineering | Dec 31, 2026 |
| Clovis, CA | NEWMAN GENERAL INC | 1073254 | A — General Engineering | Feb 28, 2027 |
| Long Beach, CA | NEWMAN MIDLAND CORP | 757755 | A — General Engineering | Jan 31, 2027 |
| Irvine, CA | NEWPORT CONSTRUCTION GROUP INC | 503740 | A — General Engineering | Apr 30, 2027 |
| Commerce, CA | NEWPORT ENGINEERING CONSTRUCTION INC | 1117494 | A — General Engineering | Mar 31, 2028 |
| Newport Beach, CA | NEWPORT HARBOR CONSTRUCTION INC | 728462 | A — General Engineering | Oct 31, 2026 |
| San Clemente, CA | NEWPORT POWER NJOORD INCORPORATED | 939960 | A — General Engineering | Nov 30, 2027 |
| Daly City, CA | NEWSONTEC GENERAL ENGINEERING | 1110868 | A — General Engineering | Oct 31, 2027 |
| San Luis Obispo, CA | NEWTON CONSTRUCTION & MANAGEMENT INC | 783608 | A — General Engineering | Sep 30, 2028 |
| Santa Maria, CA | NEX GEN GENERAL ENGINEERING INC | 1069411 | A — General Engineering | Oct 31, 2026 |
| Boston, MA | NEXAMP INC | 1096637 | A — General Engineering | Sep 30, 2026 |
| East Palo Alto, CA | NEXGEN BUILDERS INC | 709928 | A — General Engineering | Jul 31, 2027 |
| Spring Valley, CA | NEXGEN BUILDING GROUP INC | 1017258 | A — General Engineering | Dec 31, 2026 |
| Irvine, CA | NEXT ENGINEERING NEXT DEVELOPMENT INC | 1153949 | A — General Engineering | Apr 30, 2028 |
| Cameron Park, CA | NEXT GEN EXCAVATING INC | 1016034 | A — General Engineering | Jul 31, 2028 |
| Newport Coast, CA | NEXT HORIZON BUILDERS INC | 1152358 | A — General Engineering | Mar 31, 2028 |
| Murrieta, CA | NEXT LEVEL CONSTRUCTION SERVICES INC | 988716 | A — General Engineering | Nov 30, 2027 |
| Carlsbad, CA | NEXT LEVEL ENGINEERING NEXT LEVEL ENG | 1041804 | A — General Engineering | Jul 31, 2028 |
| Yolo, CA | NEXT LEVEL GENERAL ENGINEERING INC | 1057596 | A — General Engineering | Jun 30, 2027 |
| Escondido, CA | NEXT LEVEL PIER FOUNDATIONS INC | 1073417 | A — General Engineering | Feb 28, 2027 |
| Sacramento, CA | NEXT MILE CONSTRUCTION SOLUTIONS | 1131902 | A — General Engineering | Jan 31, 2027 |
| Walnut Creek, CA | NEXT PHASE CONSTRUCTION INC | 1001752 | A — General Engineering | Mar 31, 2027 |
| Pleasanton, CA | NEXTECH SECURITY SOLUTIONS | 1052267 | A — General Engineering | Apr 30, 2027 |
| Concord, CA | NEXTENERGY | 854338 | A — General Engineering | Mar 31, 2027 |
| Norco, CA | NEXTGEN CONSTRUCTION INC | 1040906 | A — General Engineering | Jun 30, 2028 |
| Hayward, CA | NEXTGEN FINISHING SYSTEMS INC | 993625 | A — General Engineering | Oct 31, 2027 |
| San Francisco, CA | NG'S LANDMARK BUILDING & ENGINEERING CONTRACTORS INC | 547990 | A — General Engineering | Nov 30, 2026 |
| Bakersfield, CA | NGS ENGINEERING NATURAL GAS SOLUTIONS LLC | 1153128 | A — General Engineering | Apr 30, 2028 |
| City Of Industry, CA | NH ENVIRONMENTAL INC | 984458 | A — General Engineering | Jun 30, 2027 |
| San Francisco, CA | NIBBI BROS ASSOCIATES INC | 757362 | A — General Engineering | Dec 31, 2026 |
| San Francisco, CA | NIBBI BROS INC | 232019 | A — General Engineering | Nov 30, 2026 |
| San Francisco, CA | NIBBI CONCRETE NIBBI BROS ASSOCIATES INC | 862571 | A — General Engineering | Aug 31, 2027 |
| San Francisco, CA | NIBBI SPS NIBBI BROS ASSOCIATES INC | 1070664 | A — General Engineering | Nov 30, 2026 |
| San Francisco, CA | NIBBI-MARINSHIP JV | 1159815 | A — General Engineering | Aug 31, 2028 |
| San Francisco, CA | NIBBI-PILOT JV | 1137301 | A — General Engineering | May 31, 2027 |
| Canyon Lake, CA | NIBCON CONSTRUCTION | 1032594 | A — General Engineering | Jun 30, 2028 |
| Anderson, CA | NICHOL ROBERT D CONSTRUCTION INC | 549534 | A — General Engineering | Apr 30, 2028 |
| Shafter, CA | NICHOLAS CONSTRUCTION INC | 843461 | A — General Engineering | Jul 31, 2028 |
| Canonsburg, PA | NICHOLSON CONSTRUCTION COMPANY | 469389 | A — General Engineering | Feb 28, 2027 |
| Hollister, CA | NICHOLSON MARK INC | 286993 | A — General Engineering | Jan 31, 2028 |
| Ramona, CA | NICK & RACHEL ALDOUS INC | 1022933 | A — General Engineering | Jan 31, 2027 |
| San Rafael, CA | NICKELS GOLF GROUP LIMITED | 722043 | A — General Engineering | Feb 28, 2027 |
| Yuma, AZ | NICKLAUS ENGINEERING INC | 1040112 | A — General Engineering | Jun 30, 2028 |
| San Pablo, CA | NICO ENGINEERING INC | 1118464 | A — General Engineering | Mar 31, 2028 |
| Cape Coral, FL | NICOSIA CONSULTING INTERNATIONAL LLC | 973590 | A — General Engineering | Jun 30, 2028 |
| Encinitas, CA | NICRIS CORPORATION | 939579 | A — General Engineering | Oct 31, 2027 |
| Standish, CA | NIEHOFF CONSTRUCTION INC | 960778 | A — General Engineering | May 31, 2027 |
| Salem, UT | NIELS FUGAL SONS COMPANY LLC | 830958 | A — General Engineering | Nov 30, 2026 |
| San Diego, CA | NIELSEN CONSTRUCTION CALIFORNIA INC | 826911 | A — General Engineering | Oct 31, 2027 |
| Fremont, CA | NIELSEN CONSTRUCTION GENERAL CONTRACTOR | 489235 | A — General Engineering | Apr 30, 2028 |
| Los Angeles, CA | NIELSEN CONSTRUCTION GROUP | 714899 | A — General Engineering | May 31, 2028 |
| Los Angeles, CA | NIELSEN ENVIRONMENTAL | 946801 | A — General Engineering | Nov 30, 2026 |
| Yorba Linda, CA | NIETO AND SONS TRUCKING INC | 673912 | A — General Engineering | Jul 31, 2027 |
| Menlo Park, CA | NIEVES BROS LANDSCAPING & CONCRETE NIEVES BROS INC | 1050871 | A — General Engineering | Jun 30, 2027 |
| Santa Ana, CA | NIEVES GENERAL ENGINEERING INC | 1127043 | A — General Engineering | Sep 30, 2028 |
| Montebello, CA | NIGHSWONGER JEFF CONSTRUCTION INC | 761851 | A — General Engineering | Apr 30, 2027 |
| Murrieta, CA | NIGHTHAWK INTEGRATED SERVICES | 1127915 | A — General Engineering | Oct 31, 2027 |
| Rancho Cucamonga, CA | NILE MA CONSTRUCTION | 1093536 | A — General Engineering | Jul 31, 2027 |
| San Diego, CA | NILSEN GENERAL CONTRACTING | 872708 | A — General Engineering | Feb 29, 2028 |
| Smithfield, UT | NILSON DEVELOPMENT INC | 1006580 | A — General Engineering | Aug 31, 2027 |
| San Diego, CA | NINYO & MOORE GEOTECHNICAL & ENVIRONMENTAL SCIENCES CONSULTANTS | 697063 | A — General Engineering | Oct 31, 2028 |
| Santa Ana, CA | NIPA INC | 556240 | A — General Engineering | Feb 28, 2027 |
| La Puente, CA | NISSI DEVELOPMENT INC | 876244 | A — General Engineering | Apr 30, 2028 |
| Bakersfield, CA | NIX GRID INC | 1048132 | A — General Engineering | Dec 31, 2026 |
| Roseville, CA | NIZUK ELECTRICAL CONTRACTING CORP | 1011452 | A — General Engineering | Feb 29, 2028 |
| Sonora, CA | NJIRICH & SONS INC | 573731 | A — General Engineering | Jul 31, 2027 |
| Placerville, CA | NKJ GENERAL ENGINEERING INC | 1053220 | A — General Engineering | May 31, 2027 |
| Red Bluff, CA | NL BUILDERS INC | 847534 | A — General Engineering | Sep 30, 2028 |
| Sacramento, CA | NMI INDUSTRIAL HOLDINGS LLC | 951227 | A — General Engineering | Feb 28, 2027 |
| Gilroy, CA | NOAH CONCRETE CORPORATION | 826956 | A — General Engineering | Nov 30, 2027 |
| Westminster, CA | NOBEST INCORPORATED | 359622 | A — General Engineering | Jul 31, 2028 |
| Alviso, CA | NOECON INC | 1073509 | A — General Engineering | Feb 28, 2027 |
| Chino, CA | NOELTE CONSTRUCTION SERVICES INC | 235305 | A — General Engineering | Apr 30, 2027 |
| Los Angeles, CA | NOET INC | 1107632 | A — General Engineering | Jul 31, 2027 |
| Laguna Niguel, CA | NOETICORP | 1034862 | A — General Engineering | Jan 31, 2028 |
| Santa Ana, CA | NOHAN CONSTRUCTION LLC | 1121211 | A — General Engineering | May 31, 2028 |
| Studio City, CA | NOHO GENERAL ENGINEERING CONSTRUCTORS NOHO CONSTRUCTORS | 1028269 | A — General Engineering | Jun 30, 2027 |
| Long Beach, CA | NOLD'S EQUIPMENT INC | 913527 | A — General Engineering | Apr 30, 2028 |
| Hesperia, CA | NOLIMIT CONSTRUCTION NO LIMIT POOLS & CONSTRUCTION | 1110947 | A — General Engineering | Feb 28, 2027 |
| Fallbrook, CA | NONRESIDENTIAL PLANTING AND WEEDING ENVIRONMENTAL CONTRACTING SERVICES INC | 1039997 | A — General Engineering | May 31, 2028 |
| St Louis, MO | NOOTER CONSTRUCTION COMPANY LLC | 658817 | A — General Engineering | Sep 30, 2027 |
| Auburn, CA | NOR - CAL ASPHALT PAVING & MAINTENANCE INC | 863765 | A — General Engineering | Sep 30, 2027 |
| Roseville, CA | NOR - CAL PIPELINE SERVICES | 935878 | A — General Engineering | Jul 31, 2027 |
| Rio Linda, CA | NOR CAL RAM-JACK NJG ENTERPRISES LLC | 1055976 | A — General Engineering | Jul 31, 2027 |
| Patterson, CA | NOR-CAL INFRASTRUCTURE CO NOR-CAL HDD SOLUTIONS | 1146320 | A — General Engineering | Nov 30, 2027 |
| Hollister, CA | NOR-CAL TRENCHLESS SEWER AND DRAIN INC | 1065366 | A — General Engineering | Apr 30, 2028 |
| Gardnerville, NV | NORBERG GENERAL ENGINEERING LLC | 1101367 | A — General Engineering | Feb 28, 2027 |
| Turlock, CA | NORCAL CONSTRUCTION POULTRY SPECIALIST INC | 915887 | A — General Engineering | May 31, 2028 |
| Stockton, CA | NORCAL DOZERS | 1110035 | A — General Engineering | Sep 30, 2027 |
| Chico, CA | NORCAL EXCAVATING INC | 843448 | A — General Engineering | Jul 31, 2028 |
| Olivehurst, CA | NORCAL FUELWORXZ INC | 1115311 | A — General Engineering | Jan 31, 2028 |
| San Jose, CA | NORCAL GENERAL CONSTRUCTION CORPORATION | 914110 | A — General Engineering | Apr 30, 2028 |
| Campbell, CA | NORCAL INC | 1113525 | A — General Engineering | Dec 31, 2027 |
| Oakland, CA | NORCAL ROCK INC | 915550 | A — General Engineering | May 31, 2028 |
| Roseville, CA | NORCAL UTILITY PROS LLC | 1120115 | A — General Engineering | May 31, 2028 |
| Santa Rosa, CA | NORDBY CONSTRUCTION CO | 382003 | A — General Engineering | Sep 30, 2027 |
| Santa Rosa, CA | NORDBY SIGNATURE HOMES INC | 837774 | A — General Engineering | May 31, 2028 |
| Santa Rosa, CA | NORDBY WINE CAVES INC | 725752 | A — General Engineering | Aug 31, 2028 |
| Costa Mesa, CA | NORDIC DRILLING INC | 1135404 | A — General Engineering | Apr 30, 2027 |
| Olivehurst, CA | NORDIC INDUSTRIES INC | 592271 | A — General Engineering | Apr 30, 2028 |
| American Canyon, CA | NORDIC WEST COMPANY INC | 1111850 | A — General Engineering | Oct 31, 2027 |
| Irvine, CA | NOREAS INC | 925787 | A — General Engineering | Dec 31, 2026 |
| Westborough, MA | NORESCO LLC | 991965 | A — General Engineering | Apr 30, 2028 |
| Rancho Cucamonga, CA | NORFORK INCORPORATED | 868794 | A — General Engineering | Dec 31, 2027 |
| American Canyon, CA | NORGO ENGINEERING | 1053116 | A — General Engineering | Nov 30, 2027 |
| Fontana, CA | NORIEGA PIPELINE INC | 973330 | A — General Engineering | May 31, 2028 |
| Los Gatos, CA | NORMAN CUNNINGHAM CONSTRUCTION | 1000058 | A — General Engineering | Jan 31, 2027 |
| Burney, CA | NORRIS WAYNE CONSTRUCTION INC | 750667 | A — General Engineering | Jun 30, 2028 |
| Alta Loma, CA | NORSTAR PLUMBING & ENGINEERING INC | 633471 | A — General Engineering | Feb 29, 2028 |
| Benicia, CA | NORTH AMERICAN POWER & CONTROLS INC | 662686 | A — General Engineering | Jan 31, 2027 |
| Irwindale, CA | NORTH AMERICAN RECYCLING AND CRUSHING LLC | 1052163 | A — General Engineering | Apr 30, 2027 |
| Hayward, CA | NORTH BAY DESIGN AND BUILD INC | 1129470 | A — General Engineering | Nov 30, 2026 |
| Valley Ford, CA | NORTH BAY EXCAVATION INC | 1030889 | A — General Engineering | Jan 31, 2028 |
| Petaluma, CA | NORTH BAY GRADING AND PAVING | 975027 | A — General Engineering | Jul 31, 2028 |
| Fairfield, CA | NORTH BAY PLUMBING INC | 410323 | A — General Engineering | Aug 31, 2027 |
| Watsonville, CA | NORTH CAL ENGINEERING INC | 835863 | A — General Engineering | Jun 30, 2027 |
| Point Reyes Station, CA | NORTH CAL RESTORATION & CONSTRUCTION INC | 898856 | A — General Engineering | Mar 31, 2028 |
| Lompoc, CA | NORTH COAST CONSTRUCTION DOTZLER CONSTRUCTION INC | 835404 | A — General Engineering | Apr 30, 2028 |
| Lakeport, CA | NORTH COUNTIES DEVELOPMENT CORPORATION | 769225 | A — General Engineering | Sep 30, 2027 |
| Fallbrook, CA | NORTH COUNTY FENCE & FABRICATION INC | 1055572 | A — General Engineering | Jul 31, 2027 |
| Spring Valley, CA | NORTH FRED CONSTRUCTION COMPANY INC | 579715 | A — General Engineering | Oct 31, 2027 |
| Etna, CA | NORTH RIVERS CONSTRUCTION INC | 866139 | A — General Engineering | Nov 30, 2026 |
| Huntington Beach, CA | NORTH SHORE PILE AND LIFTING SERVICES INC | 1138518 | A — General Engineering | Jun 30, 2027 |
| Yuba City, CA | NORTH STAR CONSTRUCTION AND ENGINEERING INC | 600303 | A — General Engineering | May 31, 2028 |
| Yuba City, CA | NORTH STAR JOINT VENTURE | 1046224 | A — General Engineering | Nov 30, 2027 |
| Roseville, CA | NORTH STAR ODIN JOINT VENTURE | 1160556 | A — General Engineering | Sep 30, 2028 |
| Sacramento, CA | NORTH STATE CONSTRUCTION NORTH STATE GENERAL ENGINEERING | 1036451 | A — General Engineering | Mar 31, 2028 |
| Richvale, CA | NORTH STATE DIVING INC | 820311 | A — General Engineering | May 31, 2027 |
| Chico, CA | NORTH STATE ELECTRIC & PUMP WELL INDUSTRIES INC | 534959 | A — General Engineering | May 31, 2027 |
| South San Francisco, CA | NORTH STATE ENVIRONMENTAL | 920453 | A — General Engineering | Aug 31, 2028 |
| Rancho Cucamonga, CA | NORTH TRADEMARK BUILDERS INC | 840536 | A — General Engineering | Jun 30, 2028 |
| Browns Valley, CA | NORTH VALLEY ENGINEERS INCORPORATED | 945032 | A — General Engineering | Mar 31, 2028 |
| Idaho Falls, ID | NORTH WIND CONSTRUCTION SERVICES LLC | 991350 | A — General Engineering | Mar 31, 2028 |
| Sparks, NV | NORTHBAY ENGINEERING NORTHBAY CONSULTING SERVICES | 1047516 | A — General Engineering | Nov 1, 2026 |
| Eureka, CA | NORTHCOAST ENVIRONMENTAL CONSTRUCTION INC | 695289 | A — General Engineering | Aug 31, 2028 |
| Pollock Pines, CA | NORTHCUTT & SONS GENERAL ENGINEERING | 1161885 | A — General Engineering | Sep 30, 2028 |
| Healdsburg, CA | NORTHERN CALIFORNIA POWER & EQUIPMENT CO INC | 551206 | A — General Engineering | Nov 30, 2026 |
| Rogers, MN | NORTHERN DEWATERING INC | 890637 | A — General Engineering | Jul 31, 2027 |
| Oakley, CA | NORTHERN DIRECTIONAL DRILLING INC | 915332 | A — General Engineering | May 31, 2028 |
| Oakland, CA | NORTHGATE ENVIRONMENTAL MANAGEMENT INC | 788400 | A — General Engineering | Dec 31, 2026 |
| Camarillo, CA | NORTHLINK SERVICES MGC PROJECT MANAGEMENT INC | 598595 | A — General Engineering | Nov 30, 2026 |
| San Francisco, CA | NORTHSIDE ENGINEERING INC | 845208 | A — General Engineering | Jun 30, 2027 |
| Nederland, TX | NORTHSTAR CONTRACTING GROUP INC | 518740 | A — General Engineering | Oct 31, 2027 |
| Channelview, TX | NORTHSTAR ENERGY SERVICES INC | 1016215 | A — General Engineering | Jul 31, 2028 |
| Mission Viejo, CA | NORTHSTAR ENVIRONMENTAL REMEDIATION KRT MANAGEMENT INC | 827022 | A — General Engineering | Nov 30, 2027 |
| Redding, CA | NORTHSTATE EARTH AND WATER INC | 882240 | A — General Engineering | Aug 31, 2028 |
| Woodinville, WA | NORTHWEST BORING COMPANY INC | 852380 | A — General Engineering | Jan 31, 2027 |
| Redwood Valley, CA | NORTHWEST CONSTRUCTION INC | 865329 | A — General Engineering | Oct 31, 2027 |
| San Francisco, CA | NORTHWEST DEMOLITION INC | 556976 | A — General Engineering | May 31, 2028 |
| Hayward, CA | NORTHWEST DESIGN AND CONSTRUCTION INC | 1158905 | A — General Engineering | Jul 31, 2028 |
| Northridge, CA | NORTHWEST EXCAVATING INC | 521572 | A — General Engineering | Dec 31, 2027 |
| Santa Rosa, CA | NORTHWEST GENERAL ENGINEERING LLC | 781913 | A — General Engineering | Jul 31, 2028 |
| Salt Lake City, UT | NORTHWEST PIPE COMPANY | 737530 | A — General Engineering | Jun 30, 2027 |
| Northridge, CA | NORTHWEST POWER INC | 1158035 | A — General Engineering | Jul 31, 2028 |
| Anderson, CA | NORTHWEST SEPTIC NORTHWEST SYSTEMS INC | 1060678 | A — General Engineering | Nov 30, 2027 |
| Bakersfield, CA | NOVA GENERAL ENGINEERING | 1160627 | A — General Engineering | Sep 30, 2028 |
| Napa, CA | NOVA GROUP INC | 326774 | A — General Engineering | Feb 28, 2027 |
| Napa, CA | NOVA PROBST A JOINT VENTURE | 1030871 | A — General Engineering | Sep 30, 2027 |
| Folsom, CA | NOVATECH UTILITIES LLC | 1111902 | A — General Engineering | Oct 31, 2027 |
| Lake Elsinore, CA | NOVI ENVIRONMENTAL INC | 711904 | A — General Engineering | Aug 31, 2027 |
| Fallbrook, CA | NPC CONSTRUCTION INC | 615229 | A — General Engineering | Mar 31, 2027 |
| Perris, CA | NPG INC | 664779 | A — General Engineering | Feb 28, 2027 |
| Sylmar, CA | NPI CONCRETE NATIONAL POOLS INC | 963509 | A — General Engineering | Jun 30, 2028 |
| Phoenix, AZ | NPL CONSTRUCTION CO | 732974 | A — General Engineering | Feb 28, 2027 |
| Covina, CA | NR EXCAVATION & TRENCHING INC | 1119603 | A — General Engineering | Apr 30, 2028 |
| New York, NY | NRC ENVIRONMENTAL SERVICES INC | 716581 | A — General Engineering | Dec 31, 2027 |
| San Clemente, CA | NSA WIRELESS INC | 867615 | A — General Engineering | Nov 30, 2027 |
| Roseville, CA | NSOD JV | 1088915 | A — General Engineering | Mar 31, 2028 |
| Jurupa Valley, CA | NU - CAL PIPELINE CORP | 926610 | A — General Engineering | Dec 31, 2026 |
| Vista, CA | NUCAVE CONSTRUCTION INC | 1013360 | A — General Engineering | Nov 30, 2027 |
| Danville, CA | NUGENT CONSTRUCTORS INC | 599590 | A — General Engineering | Jun 30, 2027 |
| Vista, CA | NULINE TECHNOLOGIES LLC | 997520 | A — General Engineering | Oct 31, 2028 |
| Santa Rosa, CA | NUNLEY ENGINEERING INC | 777343 | A — General Engineering | Apr 30, 2028 |
| Cincinnati, OH | NUROTOCO ROTO-ROOTER SERVICES COMPANY | 806952 | A — General Engineering | Apr 30, 2028 |
| Richmond, CA | NV CONSTRUCTION LLC | 1065384 | A — General Engineering | Apr 30, 2028 |
| San Luis Obispo, CA | NVIRO | 1056567 | A — General Engineering | Oct 31, 2026 |
| Bellevue, WA | NW SIGNAL MAINTENANCE LLC | 1094391 | A — General Engineering | Jul 31, 2028 |
| Kalispell, MT | NWESTCO LLC | 1073967 | A — General Engineering | Mar 31, 2027 |
| North Hollywood, CA | NXGEN BUILDERS INC | 1117612 | A — General Engineering | Mar 31, 2028 |
| Monterey, CA | NXP ENGINEERING NX PLUMBING & UNDERGROUND DIVISION | 1107857 | A — General Engineering | Jul 31, 2027 |
| Boca Raton, FL | NYM INC | 1041904 | A — General Engineering | Jul 31, 2028 |
| Cameron Park, CA | NYSTROM DWAYNE GENERAL ENGINEERING | 1125219 | A — General Engineering | Aug 31, 2028 |
| Torrington, CT | O & G INDUSTRIES INC | 672077 | A — General Engineering | May 31, 2027 |
| Arcata, CA | O & M INDUSTRIES | 284930 | A — General Engineering | Feb 29, 2028 |
| Palmdale, CA | O B CONSTRUCTION BUILDERS A1 INC | 237811 | A — General Engineering | Nov 30, 2027 |
| Orange, CA | O C & C CONSTRUCTION ORANGE CORROSION SERVICES INC | 915121 | A — General Engineering | Aug 31, 2027 |
| Berkeley, CA | O C JONES & SONS INC | 759729 | A — General Engineering | Mar 31, 2027 |
| Santa Ana, CA | O C RAMPS INC | 995047 | A — General Engineering | Jul 31, 2028 |
| City Of Industry, CA | O C VACUUM INC | 706710 | A — General Engineering | May 31, 2027 |
| Brea, CA | O D I C ENVIRONMENTAL | 918987 | A — General Engineering | Aug 31, 2028 |
| Southlake, TX | O I B I INCORPORATED | 1076092 | A — General Engineering | May 31, 2027 |
| San Marcos, CA | O J CONSTRUCTION AND BACKHOE SERVICE INC | 478248 | A — General Engineering | Aug 31, 2027 |
| Sun Valley, CA | O L DEVELOPMENT INC | 870164 | A — General Engineering | Dec 31, 2027 |
| Woodside, CA | O NELSON & SON INC | 307071 | A — General Engineering | Apr 30, 2027 |
| Winchester, CA | O'CONNELL ENGINEERING & CONSTRUCTION INC | 883686 | A — General Engineering | Apr 30, 2027 |
| San Francisco, CA | O'CONNOR PIPELINES INC | 1056307 | A — General Engineering | Mar 31, 2028 |
| Orange, CA | O'DONOVAN CONSTRUCTION INC | 903554 | A — General Engineering | Sep 30, 2027 |
| Romoland, CA | O'DUFFY BROS INC | 776934 | A — General Engineering | Jul 31, 2028 |
| Mt View, CA | O'GRADY PAVING INC | 201696 | A — General Engineering | Dec 31, 2027 |
| Burlingame, CA | O'NEIL ENGINEERING INC | 1142594 | A — General Engineering | Aug 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 |
| Duarte, CA | O'NEILL ELECTRIC INC | 1037240 | A — General Engineering | Aug 31, 2028 |
| Chula Vista, CA | O'NEILL M KEVIN CONSTRUCTION COMPANY INC | 377869 | A — General Engineering | Aug 31, 2027 |
| San Francisco, CA | O'SHAUGHNESSY MICHAEL CONSTRUCTION INC | 984235 | A — General Engineering | Jun 30, 2027 |
| Porterville, CA | OACYS ENGINEERING OACYS TECHNOLOGY | 1033846 | A — General Engineering | Dec 31, 2027 |
| Oak Hills, CA | OAK HILLS UNDERGROUND INC | 882975 | A — General Engineering | Aug 31, 2028 |
| Vallejo, CA | OAK STREET MANAGEMENT INC | 1074417 | A — General Engineering | Apr 30, 2027 |
| Malibu, CA | OAK TREE CONSTRUCTION INC | 518650 | A — General Engineering | Sep 30, 2028 |
| Oakdale, CA | OAK VALLEY EXCAVATING INC | 863622 | A — General Engineering | Aug 31, 2027 |
| Calabasas, CA | OAKHILL CONSTRUCTION INC | 1013979 | A — General Engineering | May 31, 2028 |
| Youngstown, OH | OAKLAND BAY VENTURES | 1144230 | A — General Engineering | Sep 30, 2027 |
| Placerville, CA | OAKLEY GENERAL ENGINEERING | 1124352 | A — General Engineering | Jul 31, 2028 |
| Yucaipa, CA | OAKRIDGE CONSTRUCTION & ENERGY OAKRIDGE ENERGY & DEVELOPMENT INC | 975448 | A — General Engineering | Jul 31, 2028 |
| Valencia, CA | OAKRIDGE LANDSCAPE INC | 798565 | A — General Engineering | Aug 31, 2027 |
| 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 |
| Mc Kinleyville, CA | OASIS STRUCTURES AND WATER WORKS | 648692 | A — General Engineering | Jun 30, 2028 |
| National City, CA | OB CONSTRUCTION & ENGINEERING CORP | 1114983 | A — General Engineering | Jan 31, 2028 |
| 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/ SMCI JOINT VENTURE | 1057502 | A — General Engineering | Aug 31, 2027 |
| San Bernardino, CA | OBRIEN BROTHERS INC | 1074479 | A — General Engineering | Apr 30, 2027 |
| Irvine, CA | OC 405 PARTNERS JOINT VENTURE | 1021106 | A — General Engineering | Nov 30, 2026 |
| Riverside, CA | OC ENGINEERING AND CONSTRUCTION INC | 1150010 | A — General Engineering | Feb 29, 2028 |
| Berkeley, CA | OC JONES & SONS BRIDGEWAY CIVIL CONSTRUCTORS A JOINT VENTURE | 1074653 | A — General Engineering | Apr 30, 2027 |
| San Miguel, CA | OC3 CONSTRUCTION & CONSULTING INC | 1114486 | A — General Engineering | Dec 31, 2027 |
| Los Angeles, CA | OCEAN BLUE ENGINEERS INCORPORATED | 611152 | A — General Engineering | Jan 31, 2027 |
| Long Beach, CA | OCEAN BLUE ENVIRONMENTAL SERVICES INC | 709140 | A — General Engineering | Jul 31, 2027 |
| San Diego, CA | OCEAN BOUND CONSTRUCTION DARNELL CAPITAL MANAGEMENT | 962471 | A — General Engineering | Jun 30, 2027 |
| Rialto, CA | OD SERVICES LLC | 1107399 | A — General Engineering | Jul 31, 2027 |
| Visalia, CA | ODELL'S PUMP & MOTOR KAWEAH PUMP INC | 826935 | A — General Engineering | Oct 31, 2027 |
| Long Beach, CA | ODIGOS CONSTRUCTION INC | 1063966 | A — General Engineering | Mar 31, 2028 |
| Roseville, CA | ODIN ODIN ENVIRONMENTAL SOLUTIONS LLC | 1087001 | A — General Engineering | Feb 29, 2028 |
| Roseville, CA | ODIN - RAITO JV | 1120973 | A — General Engineering | May 31, 2028 |
| Loomis, CA | ODIN REAL ESTATE GROUP LLC | 1038866 | A — General Engineering | May 31, 2028 |
| Galt, CA | ODYSSEY ENVIRONMENTAL SERVICES INC | 774370 | A — General Engineering | Jan 31, 2028 |
| Hoopa, CA | OFFINS GENERAL ENGINEERING LLC | 1088235 | A — General Engineering | May 31, 2028 |
| Shingle Springs, CA | OFFSITE UTILITIES INC D'AMATO GENERAL ENGINEERING | 1118398 | A — General Engineering | Mar 31, 2028 |
| Signal Hill, CA | OFRS, INC | 994684 | A — General Engineering | Jul 31, 2028 |
| Clovis, CA | OHANA CONSTRUCTION ENGINEERING INC | 1077275 | A — General Engineering | Jun 30, 2027 |
| Youngstown, OH | OHIO LIBERTY MAINTENANCE INC LIBERTY MAINTENANCE INC | 849381 | A — General Engineering | Nov 30, 2026 |
| Irvine, CA | OHLA USA INC | 984140 | A — General Engineering | Jun 30, 2027 |
| El Segundo, CA | OHR ENERGY OTTO H ROSENTRETER CO | 212038 | A — General Engineering | Oct 31, 2027 |
| Oak View, CA | OJAI CONTRACTING GROUP INC | 963119 | A — General Engineering | Jul 31, 2027 |
| Poway, CA | OK CONSTRUCTION & REMODELING INC | 1046947 | A — General Engineering | Nov 30, 2026 |
| Irvine, CA | OKERENSON CORPORATION | 716465 | A — General Engineering | Mar 31, 2027 |
| Greeley, CO | OLD WEST ENERGY SERVICES INC | 1106278 | A — General Engineering | Jun 30, 2027 |
| Atlanta, GA | OLDCASTLE INFRASTRUCTURE INC | 891107 | A — General Engineering | Feb 28, 2027 |
| Carmichael, CA | OLDER HOME SPECIALISTS INC | 826549 | A — General Engineering | Nov 30, 2027 |
| Weimar, CA | OLENDERS EXCAVATING INC | 876178 | A — General Engineering | Jun 30, 2027 |
| Whittier, CA | OLIVA CONSTRUCTION & ENGINEERING INC | 1151300 | A — General Engineering | Mar 31, 2028 |
| Santa Ana, CA | OLIVAZ CONSTRUCTION | 1152629 | A — General Engineering | Mar 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.