Licensed General Engineering (A) contractors in California

The California Contractors State License Board (CSLB) lists 15,129 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 8, 2026.

Showing 5,821–5,880 of 15,129 contractors

GRP Contractors INC
Buena Park, CA · CSLB #997678 · as of October 8, 2026
Active · clear
G R Plumbing
Indio, CA · CSLB #1065756 · as of October 8, 2026
Active · clear
Global Road Sealing INC DBA Grsi
Garden Grove, CA · CSLB #757584 · as of October 8, 2026
Active · clear
GRS Wahlund JV
Eureka, CA · CSLB #1148928 · as of October 8, 2026
Active · clear
GRT Concrete LLC
Big Bear City, CA · CSLB #1140278 · as of October 8, 2026
Active · clear
Gruber Grading And Ag
Oak View, CA · CSLB #1087839 · as of October 8, 2026
Active · clear
Gruen Engineering INC
Pacoima, CA · CSLB #1080341 · as of October 8, 2026
Active · clear
Gruenwald Electric
Chatsworth, CA · CSLB #1109059 · as of October 8, 2026
Active · clear
Grumpy's Engineering
Santa Clarita, CA · CSLB #1138409 · as of October 8, 2026
Active · clear
Grundco
West Hills, CA · CSLB #1016287 · as of October 8, 2026
Active · clear
Grundco
West Hills, CA · CSLB #644971 · as of October 8, 2026
Active · clear
G R W General Engineering Incorporated
Temecula, CA · CSLB #997878 · as of October 8, 2026
Active · clear
G S Black INC
Etna, CA · CSLB #963354 · as of October 8, 2026
Active · clear
GSB / Obayashi JV
Benicia, CA · CSLB #990696 · as of October 8, 2026
Active · clear
G & S Construction
Oakley, CA · CSLB #1009991 · as of October 8, 2026
Active · clear
G S Construction
Burney, CA · CSLB #760923 · as of October 8, 2026
Active · clear
GS Demo
Fresno, CA · CSLB #1141377 · as of October 8, 2026
Active · clear
G S E Construction Company INC
Livermore, CA · CSLB #401498 · as of October 8, 2026
Active · clear
G Seven
Sonora, CA · CSLB #962744 · as of October 8, 2026
Active · clear
G S I
Temecula, CA · CSLB #806845 · as of October 8, 2026
Active · clear
GSL Construction
Livermore, CA · CSLB #914793 · as of October 8, 2026
Active · clear
GSW Construction INC
San Francisco, CA · CSLB #1085562 · as of October 8, 2026
Active · clear
G T Construction
San Fernando, CA · CSLB #993365 · as of October 8, 2026
Active · clear
G T E Metal Erectors INC
Canby, CA · CSLB #668344 · as of October 8, 2026
Active · clear
GT General INC
Murrieta, CA · CSLB #1105565 · as of October 8, 2026
Active · clear
G T I Commercial Contractors INC
Mission Viejo, CA · CSLB #680195 · as of October 8, 2026
Active · clear
M Guadagnolo
Ione, CA · CSLB #701154 · as of October 8, 2026
Active · clear
Guardian Plumbers Heating Air & Electrical
Wildomar, CA · CSLB #972605 · as of October 8, 2026
Active · clear
Guenther & Son Steel & Dirt Works
La Honda, CA · CSLB #923331 · as of October 8, 2026
Active · clear
Guerini General Engineering
Manteca, CA · CSLB #1146370 · as of October 8, 2026
Active · clear
Guerra Bros Plumbing INC
Concord, CA · CSLB #802256 · as of October 8, 2026
Active · clear
Guerra Construction Group
Santa Clara, CA · CSLB #915544 · as of October 8, 2026
Active · clear
Elgin Guerrero
Ontario, CA · CSLB #1113824 · as of October 8, 2026
Active · clear
Guerrero Excavation & Utilities LLC
Salinas, CA · CSLB #1095628 · as of October 8, 2026
Active · clear
Guetta Construction INC
Aliso Viejo, CA · CSLB #1101584 · as of October 8, 2026
Active · clear
Guilherme Engineering
Victorville, CA · CSLB #1080618 · as of October 8, 2026
Active · clear
Guillon INC Construction
Chico, CA · CSLB #651842 · as of October 8, 2026
Active · clear
Guinart Construction Engineering
Pasadena, CA · CSLB #888495 · as of October 8, 2026
Active · clear
Guinn Corporation
Bakersfield, CA · CSLB #553806 · as of October 8, 2026
Active · clear
A Guizot Contractor
Mammoth Lakes, CA · CSLB #472544 · as of October 8, 2026
Active · clear
Brian Joseph Guizot
Mammoth Lakes, CA · CSLB #605488 · as of October 8, 2026
Active · clear
Gulati Construction Company INC
La Palma, CA · CSLB #1090339 · as of October 8, 2026
Active · clear
Gunn It Construction Services INC
Lake Havasu, CA · CSLB #1150303 · as of October 8, 2026
Active · clear
Gustavo Diaz Excavating
Verdi, CA · CSLB #825985 · as of October 8, 2026
Active · clear
Gutco General Engineering INC
Morgan Hill, CA · CSLB #1147487 · as of October 8, 2026
Active · clear
William A Guthridge And Son INC
San Fernando, CA · CSLB #319699 · as of October 8, 2026
Active · clear
Gutierrez Canales Engineering
Yuma, CA · CSLB #989489 · as of October 8, 2026
Active · clear
Gutierrez Construction
Moorpark, CA · CSLB #743239 · as of October 8, 2026
Active · clear
Gutierrez Construction
Hollister, CA · CSLB #1071177 · as of October 8, 2026
Active · clear
Gutierrez General Engineering INC
Vallejo, CA · CSLB #1033954 · as of October 8, 2026
Active · clear
Gutierrez Pipeline INC
Whittier, CA · CSLB #999177 · as of October 8, 2026
Active · clear
Guy Construction
Agoura Hills, CA · CSLB #464270 · as of October 8, 2026
Active · clear
Guy's Excavating & Snow Removal LLC
Carnelian Bay, CA · CSLB #649340 · as of October 8, 2026
Active · clear
Guzman Grading And Paving Corp
Fontana, CA · CSLB #904543 · as of October 8, 2026
Active · clear
J C Guzman Construction Company
Byron, CA · CSLB #841544 · as of October 8, 2026
Active · clear
John Guzman Crane Service
Signal Hill, CA · CSLB #716569 · as of October 8, 2026
Active · clear
Guzman-marinship JV
San Francisco, CA · CSLB #1108386 · as of October 8, 2026
Active · clear
G V C O Construction INC
Ontario, CA · CSLB #980998 · as of October 8, 2026
Active · clear
GW Builders & Design INC
Heber, CA · CSLB #1119672 · as of October 8, 2026
Active · clear
G & W Builders INC
Brea, CA · CSLB #457076 · as of October 8, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 8, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.