Licensed General Engineering (A) contractors in California
The California Contractors State License Board (CSLB) lists 15,133 California contractors classified A (General Engineering (A)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of October 18, 2026.
Showing 11,761–11,820 of 15,133 contractors
- Active · clearSeiscoreSan Francisco, CA · CSLB #1126002 · as of October 18, 2026
- Active · clearSeismic Retrofiters INCSherman Oaks, CA · CSLB #1059407 · as of October 18, 2026
- Active · clearSeisun INCEscondido, CA · CSLB #875000 · as of October 18, 2026
- Active · clearRyan SeitzNewhall, CA · CSLB #901634 · as of October 18, 2026
- Active · clearSeldon Construction INCJamestown, CA · CSLB #1123692 · as of October 18, 2026
- Active · clearMatt Seldon ConstructionJamestown, CA · CSLB #1075535 · as of October 18, 2026
- Active · clearSelected Marble And TileLos Angeles, CA · CSLB #527947 · as of October 18, 2026
- Active · clearSelect Electric INCAnaheim, CA · CSLB #297034 · as of October 18, 2026
- Active · clearSelective Construction INCRancho Cucamonga, CA · CSLB #772623 · as of October 18, 2026
- Active · clearSelf-serve Petroleum INCS San Francisco, CA · CSLB #1096495 · as of October 18, 2026
- Active · clearSahak SelianBurbank, CA · CSLB #940496 · as of October 18, 2026
- Active · clearS. A. Selover Construction Operations INCLafayette, CA · CSLB #604973 · as of October 18, 2026
- Active · clearJB Selzer ConstructionOjai, CA · CSLB #1118415 · as of October 18, 2026
- Active · clearSema Construction INCCarlsbad, CA · CSLB #657770 · as of October 18, 2026
- Active · clearSemitorr Group LLCGardena, CA · CSLB #1098329 · as of October 18, 2026
- Active · clearSemnaRiverside, CA · CSLB #1074391 · as of October 18, 2026
- Active · clearJohn Semsen Landscaping CO INCSonora, CA · CSLB #1024425 · as of October 18, 2026
- Active · clearSendaSylmar, CA · CSLB #1102831 · as of October 18, 2026
- Active · clearDror SenderovThousand Oaks, CA · CSLB #831459 · as of October 18, 2026
- Active · clearS E Nelson Construction INCCorona, CA · CSLB #824215 · as of October 18, 2026
- Active · clearSener Engineering And Systems INCLos Angeles, CA · CSLB #986362 · as of October 18, 2026
- Active · clearJoseph W Senn ConstructionMurphys, CA · CSLB #526977 · as of October 18, 2026
- Active · clearSennza Low Voltage SystemsAlpine, CA · CSLB #1053155 · as of October 18, 2026
- Active · clearSensus Construction INCNorth Hollywood, CA · CSLB #1143567 · as of October 18, 2026
- Active · clearSensus Metering Systems INCMorrisville, CA · CSLB #1024669 · as of October 18, 2026
- Active · clearSentinel Rock Realty TrustModesto, CA · CSLB #1073974 · as of October 18, 2026
- Active · clearSentry Electrical Group INCLawrenceville, CA · CSLB #949766 · as of October 18, 2026
- Active · clearSentry Equipment CorpOconomowoc, CA · CSLB #1127477 · as of October 18, 2026
- Active · clearSepcorp INCPilot Hill, CA · CSLB #664457 · as of October 18, 2026
- Active · clearS E Pipe Line Construction CompanySanta Fe Springs, CA · CSLB #122218 · as of October 18, 2026
- Active · clearSeptember DevelopmentSan Diego, CA · CSLB #1145167 · as of October 18, 2026
- Active · clearSeptic Works Powell ExcavationPalmdale, CA · CSLB #523139 · as of October 18, 2026
- Active · clearSeptiemStudio City, CA · CSLB #821878 · as of October 18, 2026
- Active · clearSequel Contractors INCSanta Fe Springs, CA · CSLB #610600 · as of October 18, 2026
- Active · clearSequoia Construction SpecialtiesEureka, CA · CSLB #624264 · as of October 18, 2026
- Active · clearSequoia Outdoor Design & Build INCSan Mateo, CA · CSLB #1099847 · as of October 18, 2026
- Active · clearSerafin's Engineering CorpRiverside, CA · CSLB #1045120 · as of October 18, 2026
- Active · clearSerafix Engineering Contractors INCSan Ramon, CA · CSLB #1019229 · as of October 18, 2026
- Active · clearSergent's Mechanical Systems INCSanta Paula, CA · CSLB #487676 · as of October 18, 2026
- Active · clearSerrano Constructors LPEl Dorado Hills, CA · CSLB #756843 · as of October 18, 2026
- Active · clearSerres CorporationSonoma, CA · CSLB #471196 · as of October 18, 2026
- Active · clearService Electric CompanyChattanooga, CA · CSLB #1131960 · as of October 18, 2026
- Active · clearService HeroMission Hills, CA · CSLB #260035 · as of October 18, 2026
- Active · clearServicemartVentura, CA · CSLB #548898 · as of October 18, 2026
- Active · clearServicemaster Fire/water Restoration BY Disaster ProsModesto, CA · CSLB #842324 · as of October 18, 2026
- Active · clearServitek Electric INCNorwalk, CA · CSLB #1035350 · as of October 18, 2026
- Active · clearSessionsOceano, CA · CSLB #844326 · as of October 18, 2026
- Active · clearSetanta EngineeringPetaluma, CA · CSLB #1049852 · as of October 18, 2026
- Active · clearSet Grading And Paving CorpGlendale, CA · CSLB #1097609 · as of October 18, 2026
- Active · clearS E T ServicesFresno, CA · CSLB #910065 · as of October 18, 2026
- Active · clearSetting The Standard Construction INCPetaluma, CA · CSLB #1119181 · as of October 18, 2026
- Active · clearB Reid SettlemierOakland, CA · CSLB #753096 · as of October 18, 2026
- Active · clearSeuss Engineering INCAlpine, CA · CSLB #813785 · as of October 18, 2026
- Active · clearSevan Multi-site Solutions INCDowners Grove, CA · CSLB #1076021 · as of October 18, 2026
- Active · clearSevenson Environmental Services INCNiagara Falls, CA · CSLB #590741 · as of October 18, 2026
- Active · clearSeventy 1 Environmental INCSan Diego, CA · CSLB #976621 · as of October 18, 2026
- Active · clearDennis SeversByron, CA · CSLB #381569 · as of October 18, 2026
- Active · clearSewer And Pipeline Contractor INCLos Angeles, CA · CSLB #904635 · as of October 18, 2026
- Active · clearSewer And Plumbing Experts INCSanta Fe Springs, CA · CSLB #980395 · as of October 18, 2026
- Active · clearSewer BeeRancho Cucamonga, CA · CSLB #1155568 · as of October 18, 2026
Data sourced from the California Contractors State License Board (CSLB), current as of October 18, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.