Licensed General Engineering (A) contractors in California

The California Contractors State License Board (CSLB) lists 15,265 California contractors classified A (General Engineering (A)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of July 6, 2026.

Showing 8,221–8,280 of 15,265 contractors

M3 Integrated Services INC
Santa Rosa, CA · CSLB #966541 · as of July 6, 2026
Active · clear
M3 Mep LLC
Sacramento, CA · CSLB #1098716 · as of July 6, 2026
Active · clear
M3 Service LLC
Sacramento, CA · CSLB #1099722 · as of July 6, 2026
Active · clear
M3 Unlimited Construction & Landscape
Shingletown, CA · CSLB #1086354 · as of July 6, 2026
Active · clear
M5 Excavation
Redding, CA · CSLB #1141228 · as of July 6, 2026
Active · clear
Thomas K Mac Andrew
Yuba City, CA · CSLB #870171 · as of July 6, 2026
Active · clear
Macauley General Engineering
Placerville, CA · CSLB #1039250 · as of July 6, 2026
Active · clear
Macbeth Woodwork INC
San Juan Capistrano, CA · CSLB #1059013 · as of July 6, 2026
Active · clear
M A C Construction
Brawley, CA · CSLB #934631 · as of July 6, 2026
Active · clear
Mac Contracting INC
Azusa, CA · CSLB #996000 · as of July 6, 2026
Active · clear
G A Mac Donald Construction CO INC
Montrose, CA · CSLB #290287 · as of July 6, 2026
Active · clear
Mac Environmental Services INC
Rancho Cucamonga, CA · CSLB #1085889 · as of July 6, 2026
Active · clear
Mac General Engineering INC
Exeter, CA · CSLB #988712 · as of July 6, 2026
Active · clear
Machado Backhoe INC
Stevinson, CA · CSLB #732637 · as of July 6, 2026
Active · clear
Machado Bros INC
Petaluma, CA · CSLB #639884 · as of July 6, 2026
Active · clear
Machado & Sons Construction INC
Turlock, CA · CSLB #719936 · as of July 6, 2026
Active · clear
Mac Industries
Wilton, CA · CSLB #919198 · as of July 6, 2026
Active · clear
Macintosh & CO INC
Alpine, CA · CSLB #951640 · as of July 6, 2026
Active · clear
Mack Construction & Equipment Company
Wildomar, CA · CSLB #525232 · as of July 6, 2026
Active · clear
Jesse Mack Company INC
Visalia, CA · CSLB #536430 · as of July 6, 2026
Active · clear
Mackone Development INC
Los Angeles, CA · CSLB #562773 · as of July 6, 2026
Active · clear
Mack P And S Construction Incorporated
Wildomar, CA · CSLB #995324 · as of July 6, 2026
Active · clear
Donald S Maclean Incorporated
San Francisco, CA · CSLB #475572 · as of July 6, 2026
Active · clear
Maco Equipment Rentals INC
Thousand Palms, CA · CSLB #799087 · as of July 6, 2026
Active · clear
Macro-z-technology Company
Santa Ana, CA · CSLB #561313 · as of July 6, 2026
Active · clear
Mac's Marine & Land Construction INC
Kelseyville, CA · CSLB #993800 · as of July 6, 2026
Active · clear
Mac Tec Construction Company INC
San Francisco, CA · CSLB #999544 · as of July 6, 2026
Active · clear
Madden Engineering
Concord, CA · CSLB #1151893 · as of July 6, 2026
Active · clear
Maddocks Logging & Construction INC
Sebastopol, CA · CSLB #988545 · as of July 6, 2026
Active · clear
Madison General Engineering
Shingle Springs, CA · CSLB #1144427 · as of July 6, 2026
Active · clear
Madole Construction CO INC
Sparks, CA · CSLB #615116 · as of July 6, 2026
Active · clear
L B Madole
Chino, CA · CSLB #426965 · as of July 6, 2026
Active · clear
L B Madole Company INC
Chino, CA · CSLB #477279 · as of July 6, 2026
Active · clear
John Madonna Construction Company INC
San Luis Obispo, CA · CSLB #358030 · as of July 6, 2026
Active · clear
Madruga Construction
Paso Robles, CA · CSLB #879619 · as of July 6, 2026
Active · clear
Michelle Renee Madsen
Mc Clellan, CA · CSLB #897258 · as of July 6, 2026
Active · clear
Maely INC
Phelan, CA · CSLB #890900 · as of July 6, 2026
Active · clear
Michael C Maely
Wrightwood, CA · CSLB #874350 · as of July 6, 2026
Active · clear
Yuji Maemura
Palo Alto, CA · CSLB #427535 · as of July 6, 2026
Active · clear
R Magana General Engineering
Los Banos, CA · CSLB #1061965 · as of July 6, 2026
Active · clear
Magdave Associates
Oakland, CA · CSLB #680277 · as of July 6, 2026
Active · clear
Magellan Construction INC
San Jose, CA · CSLB #1069165 · as of July 6, 2026
Active · clear
Ma General Engineering
Fountain Valley, CA · CSLB #1038210 · as of July 6, 2026
Active · clear
M A General Partnership
San Francisco, CA · CSLB #1067967 · as of July 6, 2026
Active · clear
Mageney Constructors
Alamo, CA · CSLB #980092 · as of July 6, 2026
Active · clear
M A G Engineering INC
Fallbrook, CA · CSLB #833640 · as of July 6, 2026
Active · clear
Mag Engineering INC
Fresno, CA · CSLB #1033270 · as of July 6, 2026
Active · clear
Mag General Engineering INC
Wilton, CA · CSLB #1015536 · as of July 6, 2026
Active · clear
M-pile Solutions INC DBA Maggio Drilling
San Dimas, CA · CSLB #1059985 · as of July 6, 2026
Active · clear
Maggiora And Ghilotti INC
San Rafael, CA · CSLB #226767 · as of July 6, 2026
Active · clear
Magis Build
Oxnard, CA · CSLB #550528 · as of July 6, 2026
Active · clear
Magna Construction INC
Discovery Bay, CA · CSLB #1136591 · as of July 6, 2026
Active · clear
Magneson Tractor Service INC
Paradise, CA · CSLB #1034559 · as of July 6, 2026
Active · clear
Magnum Engineering Construction Corporation
Capitola, CA · CSLB #1123259 · as of July 6, 2026
Active · clear
Mag Pipeline
Arcadia, CA · CSLB #956068 · as of July 6, 2026
Active · clear
Mags Construction INC
W Sacramento, CA · CSLB #1127815 · as of July 6, 2026
Active · clear
B D Maguire General Engineering
San Francisco, CA · CSLB #793408 · as of July 6, 2026
Active · clear
Don H Mahaffey Drilling CO
Compton, CA · CSLB #139513 · as of July 6, 2026
Active · clear
Patricia M Mahaffey
Rancho Palos Verdes, CA · CSLB #1058271 · as of July 6, 2026
Active · clear
Maher General INC DBA Maher Construction
Valley Center, CA · CSLB #839291 · as of July 6, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of July 6, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.