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 4,201–4,260 of 15,129 contractors

Duff CO
Ione, CA · CSLB #742203 · as of October 8, 2026
Active · clear
Duffy General Engineering INC
Menifee, CA · CSLB #1118574 · as of October 8, 2026
Active · clear
Duffy Underground INC
Menifee, CA · CSLB #1155200 · as of October 8, 2026
Active · clear
R Dugan Construction INC
Mira Loma, CA · CSLB #621586 · as of October 8, 2026
Active · clear
Dugan Underground, Corporation
Camarillo, CA · CSLB #1115607 · as of October 8, 2026
Active · clear
Duhig Construction INC
Napa, CA · CSLB #850667 · as of October 8, 2026
Active · clear
Duininck INC
Prinsburg, CA · CSLB #816687 · as of October 8, 2026
Active · clear
Duke Plumbing INC
Upland, CA · CSLB #430513 · as of October 8, 2026
Active · clear
Dulinsky General Engineering
Winters, CA · CSLB #991295 · as of October 8, 2026
Active · clear
Dumarc Corporation
Anaheim, CA · CSLB #167616 · as of October 8, 2026
Active · clear
Dunbar Construction INC
Grand Terrace, CA · CSLB #1057276 · as of October 8, 2026
Active · clear
Chris Duncan Backhoe INC
Santa Ynez, CA · CSLB #881827 · as of October 8, 2026
Active · clear
Warren Duncan Contracting
San Bernardino, CA · CSLB #553327 · as of October 8, 2026
Active · clear
Dunham's Back-hoe Service
Sonoma, CA · CSLB #379304 · as of October 8, 2026
Active · clear
C Dunn Construction INC
Templeton, CA · CSLB #977953 · as of October 8, 2026
Active · clear
Dave C Dunn Company INC
Orinda, CA · CSLB #977795 · as of October 8, 2026
Active · clear
Dunn's Sand INC
Visalia, CA · CSLB #725537 · as of October 8, 2026
Active · clear
Dunn-wright General Engineering
Camarillo, CA · CSLB #958895 · as of October 8, 2026
Active · clear
Dun - Rite Excavating INC
Livermore, CA · CSLB #780025 · as of October 8, 2026
Active · clear
Duo Cap Construction INC
Ontario, CA · CSLB #1131376 · as of October 8, 2026
Active · clear
Durabuild
Menifee, CA · CSLB #779259 · as of October 8, 2026
Active · clear
Dura Crane INC
Anderson, CA · CSLB #262544 · as of October 8, 2026
Active · clear
Duran Construction Group
San Jose, CA · CSLB #974298 · as of October 8, 2026
Active · clear
Duran Duran Construction Corporation
Los Angeles, CA · CSLB #1096560 · as of October 8, 2026
Active · clear
Duran Eq Construction INC DBA Duran Eq Construction Engineering
Ventura, CA · CSLB #1032831 · as of October 8, 2026
Active · clear
Duran & Venables INC
Milpitas, CA · CSLB #375068 · as of October 8, 2026
Active · clear
Durden Construction INC
San Juan Bautista, CA · CSLB #523203 · as of October 8, 2026
Active · clear
Dodd Durden
Aptos, CA · CSLB #1035810 · as of October 8, 2026
Active · clear
Gregg Durden
San Juan Bautista, CA · CSLB #1044108 · as of October 8, 2026
Active · clear
John Durden
San Juan Bautista, CA · CSLB #1047895 · as of October 8, 2026
Active · clear
Durham Construction Company INC
Clovis, CA · CSLB #765896 · as of October 8, 2026
Active · clear
Durkin Construction INC
Chester, CA · CSLB #825910 · as of October 8, 2026
Active · clear
Durkin Home Construction
Lake Almanor, CA · CSLB #723132 · as of October 8, 2026
Active · clear
Dutch Contracting INC
Rio Linda, CA · CSLB #1002925 · as of October 8, 2026
Active · clear
Bill T Dutra
San Rafael, CA · CSLB #269913 · as of October 8, 2026
Active · clear
Dutra Construction CO INC
San Rafael, CA · CSLB #698862 · as of October 8, 2026
Active · clear
Dutra Dredging Company
San Rafael, CA · CSLB #707580 · as of October 8, 2026
Active · clear
The Dutra Group
San Rafael, CA · CSLB #295128 · as of October 8, 2026
Active · clear
Randy Dutton Construction
Jackson, CA · CSLB #894127 · as of October 8, 2026
Active · clear
Scott Duval Const
Fort Bragg, CA · CSLB #815720 · as of October 8, 2026
Active · clear
Duwamish Services LLC
Seaittle, CA · CSLB #1139640 · as of October 8, 2026
Active · clear
Duwright Construction INC
San Diego, CA · CSLB #945172 · as of October 8, 2026
Active · clear
DV Construction & Landscaping
Garden Grove, CA · CSLB #1082166 · as of October 8, 2026
Active · clear
DVD Construction
Santa Ana, CA · CSLB #1029241 · as of October 8, 2026
Active · clear
DV Electric CO
San Jose, CA · CSLB #975197 · as of October 8, 2026
Active · clear
DV Engineering
Garden Grove, CA · CSLB #1144655 · as of October 8, 2026
Active · clear
D W Construction & Backhoe Service
Thousand Oaks, CA · CSLB #632246 · as of October 8, 2026
Active · clear
D W Doss Building & Engineering Contractor
Tracy, CA · CSLB #439671 · as of October 8, 2026
Active · clear
DW Engineering
Carmel Valley, CA · CSLB #1137960 · as of October 8, 2026
Active · clear
D W Enterprises
Forestville, CA · CSLB #636055 · as of October 8, 2026
Active · clear
D W General Engineering Contractor Corp
Dixon, CA · CSLB #1100669 · as of October 8, 2026
Active · clear
D W Nicholson Corporation
Hayward, CA · CSLB #68847 · as of October 8, 2026
Active · clear
D W Plumbing INC
Red Bluff, CA · CSLB #679492 · as of October 8, 2026
Active · clear
D' Ybanag Construction Company
Perris, CA · CSLB #920531 · as of October 8, 2026
Active · clear
Dyer CO INC
Agua Dulce, CA · CSLB #863685 · as of October 8, 2026
Active · clear
Dyer Construction INC
Sacramento, CA · CSLB #645755 · as of October 8, 2026
Active · clear
Corey W Dyer
Napa, CA · CSLB #1089598 · as of October 8, 2026
Active · clear
Dykes Construction Corporation
Oxnard, CA · CSLB #424469 · as of October 8, 2026
Active · clear
Max R Dykmans
Rancho Santa Fe, CA · CSLB #349413 · as of October 8, 2026
Active · clear
Dylan James Sauter
Upland, CA · CSLB #1141907 · 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.