Licensed General Engineering (A) contractors in California
The California Contractors State License Board (CSLB) lists 15,127 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 14, 2026.
Showing 11,281–11,340 of 15,127 contractors
- Active · clearRonald HumphreyFlournoy, CA · CSLB #1019194 · as of October 14, 2026
- Active · clearRonan General EngineeringSan Francisco, CA · CSLB #997619 · as of October 14, 2026
- Active · clearRon & Brett Construction INCRancho Mission Viejo, CA · CSLB #783699 · as of October 14, 2026
- Active · clearRon CleggSanta Cruz, CA · CSLB #536361 · as of October 14, 2026
- Active · clearRonderos EngineeringOak Hills, CA · CSLB #1018556 · as of October 14, 2026
- Active · clearRong's Backhoe ServiceNapa, CA · CSLB #629852 · as of October 14, 2026
- Active · clearRon's Backhoe ExcavatingBluffcity, CA · CSLB #765651 · as of October 14, 2026
- Active · clearThe Mark Rood COWatsonville, CA · CSLB #697074 · as of October 14, 2026
- Active · clearRooflift Specialists LLCMiddle River, CA · CSLB #1068528 · as of October 14, 2026
- Active · open complaintRooter HeroMission Hills, CA · CSLB #1028886 · as of October 14, 2026
- Active · clearThe Galicia Group INC DBA Rooter SolutionsVentura, CA · CSLB #1046213 · as of October 14, 2026
- Active · clearRooter SolutionsVentura, CA · CSLB #1101015 · as of October 14, 2026
- Active · clearRoots Strong BuilderNapa, CA · CSLB #1154113 · as of October 14, 2026
- Active · clearRoozbeh INCBeverly Hills, CA · CSLB #1041899 · as of October 14, 2026
- Active · clearRoq Plumbing INCNorth Hollywood, CA · CSLB #1072359 · as of October 14, 2026
- Active · clearRorabaugh EarthmovingHopland, CA · CSLB #895381 · as of October 14, 2026
- Active · clearRore INCSan Diego, CA · CSLB #898563 · as of October 14, 2026
- Active · clearRory Shaw Partners Joint VenturePico Rivera, CA · CSLB #1154013 · as of October 14, 2026
- Active · clearEric RosadoCalimesa, CA · CSLB #868335 · as of October 14, 2026
- Active · clearRosales General Engineering Contracting INCCorona, CA · CSLB #1002476 · as of October 14, 2026
- Active · clearRosas Brothers ConstructionOakland, CA · CSLB #848835 · as of October 14, 2026
- Active · clearRosas ConstructionOakland, CA · CSLB #805099 · as of October 14, 2026
- Active · clearRosas Engineering INCSan Ysidro, CA · CSLB #1134441 · as of October 14, 2026
- Active · clearRobert Rose Construction INC DBA Rose ConstructionSan Diego, CA · CSLB #642557 · as of October 14, 2026
- Active · clearRose EngineeringMendocino, CA · CSLB #856024 · as of October 14, 2026
- Active · open complaintRosendin Electric INCSan Jose, CA · CSLB #142881 · as of October 14, 2026
- Active · clearRosendin Electric INC / Redwood Electric INC Joint VentureSan Jose, CA · CSLB #969475 · as of October 14, 2026
- Active · clearRosenexSan Diego, CA · CSLB #1135412 · as of October 14, 2026
- Active · clearDavid S RosenthalCamarillo, CA · CSLB #944747 · as of October 14, 2026
- Active · clearD John Roser INCWestlake Village, CA · CSLB #506778 · as of October 14, 2026
- Active · clearKiel Rosetti INC DBA Rosetti EngineeringHopland, CA · CSLB #993756 · as of October 14, 2026
- Active · clearRoshan Pro Construction BuildersRoseville, CA · CSLB #1151577 · as of October 14, 2026
- Active · clearFrank RossChowchilla, CA · CSLB #408801 · as of October 14, 2026
- Active · clearGabe Ross ConstructionCottonwood, CA · CSLB #936270 · as of October 14, 2026
- Active · clearRoss Infrastructure Development LLCRancho Santa Fe, CA · CSLB #887547 · as of October 14, 2026
- Active · clearRosskopf EngineeringCaspar, CA · CSLB #767077 · as of October 14, 2026
- Active · clearRoss Mclaren ConstructionCanyon Country, CA · CSLB #1134271 · as of October 14, 2026
- Active · clearRoss Recreation Equipment Company INCSanta Rosa, CA · CSLB #520752 · as of October 14, 2026
- Active · clearRey R RossSan Diego, CA · CSLB #1101557 · as of October 14, 2026
- Active · clearMark D RothTulare, CA · CSLB #879994 · as of October 14, 2026
- Active · clearLimor RotholzWoodland Hills, CA · CSLB #1089405 · as of October 14, 2026
- Active · clearRoto-rooterOakdale, CA · CSLB #604196 · as of October 14, 2026
- Active · clearRoto-rooter Plumbers And Septic ServiceApple Valley, CA · CSLB #752077 · as of October 14, 2026
- Active · clearRoto-rooter Shasta CountyRedding, CA · CSLB #990294 · as of October 14, 2026
- Active · clearRoughstock ContructionValley Springs, CA · CSLB #1096000 · as of October 14, 2026
- Active · clearRound 5 LLCYuma, CA · CSLB #1162847 · as of October 14, 2026
- Active · clearRound Rock Construction INCRedding, CA · CSLB #1161509 · as of October 14, 2026
- Active · clearRountree Plumbing And Heating INCRoseville, CA · CSLB #265489 · as of October 14, 2026
- Active · clearRoute 37 ConstructorsPleasanton, CA · CSLB #1128760 · as of October 14, 2026
- Active · clearRoux Associates INCIslandia, CA · CSLB #964122 · as of October 14, 2026
- Active · clearRoval GroupEscondido, CA · CSLB #985115 · as of October 14, 2026
- Active · clearRove Engineering INCEl Centro, CA · CSLB #1046101 · as of October 14, 2026
- Active · clearRover USA LLCIrvine, CA · CSLB #1159540 · as of October 14, 2026
- Active · clearRow ConstructionRoseville, CA · CSLB #1142940 · as of October 14, 2026
- Active · clearRowell Enterprises INCOrangevale, CA · CSLB #1035381 · as of October 14, 2026
- Active · clearRowley EngineeringArroyo Grande, CA · CSLB #1012480 · as of October 14, 2026
- Active · clearRoyal Building Solutions INCSan Diego, CA · CSLB #1046980 · as of October 14, 2026
- Active · clearRoyal Construction & Builders INCRedondo Beach, CA · CSLB #857366 · as of October 14, 2026
- Active · clearRoyal Electric CompanySacramento, CA · CSLB #357377 · as of October 14, 2026
- Active · clearRoyal Gardens Landscape INCMoorpark, CA · CSLB #682811 · as of October 14, 2026
Data sourced from the California Contractors State License Board (CSLB), current as of October 14, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.