15,702 general engineering contractors checked against 6 data sources (Page 219 of 315)
General engineering contractors for highways, bridges, utilities, and infrastructure.
15,702
Total Contractors
15,060
Active Licenses
1543
Federal Records
Showing contractors 10901-10950 of 15,702
OLSON CONSTRUCTION COMPANY
ClearLicense #940995 · SAN DIEGO
OLSON PRECAST COMPANY
ClearLicense #751277 · LAS VEGAS
OLSON T J
ClearLicense #1077997 · AMERICAN CANYON
OLYMPIC LAND-CONSTRUCTION INC
ClearLicense #424828 · SACRAMENTO
OLYMPOS CONSTRUCTION INC
ClearLicense #940910 · SIMI VALLEY
OMEGA CONTRACTORS INC
ClearLicense #1026633 · NORTH HOLLYWOOD
OMEGA ENVIRONMENTAL MANAGEMENT INC
ClearLicense #745741 · NOVATO
OMEGA GENERAL ENGINEERING INC
ClearLicense #1136110 · PATTERSON
OMEGA TECHNICAL SERVICES INC
ClearLicense #992334 · CLAREMONT
OMNI ENERGY SOLUTIONS INC
ClearLicense #1058789 · VACAVILLE
OMNI UNDERGROUND
ClearLicense #1036288 · CLOVIS
ON DEMAND CONTRACTORS INC
ClearLicense #1072595 · LA PALMA
ON GRADE GENERAL ENGINEERING INC
ClearLicense #1049929 · SANTA ROSA
ON SITE GENERAL ENGINEERING INC
ClearLicense #1003225 · LIVERMORE
ON-SITE COMMERCIAL SERVICES INC
ClearLicense #936073 · LIVERMORE
ON-SITE EQUIPMENT INC
ClearLicense #1141858 · DIAMOND SPRINGS
ONE ENGINEERING GROUP
ClearLicense #1150181 · BREA
ONE GENERAL ENGINEERING
ClearLicense #974797 · LAS VEGAS
ONE HAT CONSTRUCTION INC
ClearLicense #1061807 · SAN DIEGO
ONE MOORE POWER SOLUTIONS INC
ClearLicense #1124379 · PERRIS
ONE STOP INC
ClearLicense #788324 · GILROY
ONE TRACTOR DOZE IT ALL INC
ClearLicense #800060 · WILDOMAR
ONE WAY TRIGGER LLC
ClearLicense #1101693 · SACRAMENTO
ONQ ENERGY SERVICES
ClearLicense #1018391 · SANTA CLARITA
ONQUEST INC
ClearLicense #809560 · SAN DIMAS
ONTARIO TUNNEL CONSTRUCTORS
ClearLicense #1100960 · RIVERSIDE
ONTIVEROS DESIGN BUILD & REMODEL
ClearLicense #1004894 · BONITA
ONTIVITY LLC
ClearLicense #1132938 · NEW BRAUNFELS
ONTRAX CONSTRUCTION INC
ClearLicense #1000760 · LANCASTER
ONYX PAVING COMPANY INC
ClearLicense #630360 · YORBA LINDA
OPAL FUELS STATION SERVICES LLC
ClearLicense #1063659 · RANCHO CUCAMONGA
OPDI CONSTRUCTION INC
ClearLicense #1117057 · CARMICHAEL
OPERATIONS MANAGEMENT INTERNATIONAL INC
ClearLicense #911923 · DENVER
OPPENHEIMER NATIONAL
ClearLicense #1095956 · SAN JUAN CAPISTRANO
OPTERRA ENERGY SERVICES LLC
ClearLicense #1142716 · PASADENA
OPTIMA R P M INC
ClearLicense #961714 · IRVINE
OPTIMAL EARTHWORK AND GRADING INC
ClearLicense #1089775 · SAN JOSE
OPTIMUM INC
ClearLicense #817291 · BLOOMINGTON
OPTIMUM SEISMIC INC
ClearLicense #1012702 · VERNON
OPTIMUM SOLAR POWER INC
ClearLicense #1024381 · RIVERSIDE
OPTIMUS ENGINEERING
ClearLicense #1132191 · FALLBROOK
OPTIMUS PRIME ENGINEERING
ClearLicense #1134973 · SAN LUIS REY
OPULENT DESIGN BUILD INC
ClearLicense #950118 · IRVINE
OPUS PACIFIC DEVELOPMENT INC
ClearLicense #801858 · SAN MATEO
ORACLE ABATEMENT
ClearLicense #1134939 · CARMICHAEL
ORACLE PROPERTIES DEVELOPMENT INC
ClearLicense #572233 · CARMICHAEL
ORANGE COAST PETROLEUM EQUIPMENT INC
ClearLicense #841021 · ORANGE
ORANGE COAST SOLAR
ClearLicense #1110907 · NORTH HOLLYWOOD
ORANGE COUNTY ASPHALT INC
ClearLicense #746653 · ANAHEIM
ORANGE COUNTY PUMPING INC
ClearLicense #680703 · SANTA ANA
California requires all contractors performing general engineering work valued at $500+ to hold a valid CSLB A license. Of the 15,702 licensed general engineering contractors in the state, 96% currently hold active licenses and 9.8% have at least one federal compliance record.
Manual vetting takes 45+ minutes per contractor and routinely misses violations in databases most people don't know to check. SiteVetter runs CSLB status, SAM.gov debarment, DOL wage violations, OSHA safety citations, and EPA environmental records in seconds—creating a timestamped compliance artifact.
Under California's "Controlling Employer" doctrine, general contractors face liability for subcontractor safety violations. For general engineering work specifically, 9.8% of licensed contractors have federal records that a standard CSLB license check wouldn't reveal. SiteVetter's 5-database check catches what a single-source verification misses.
Data sourced from California Contractors State License Board and federal databases. Updated weekly. For official verification, check directly with CSLB.