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 8,341–8,400 of 15,265 contractors

Manson / Connolly JV
Seattle, CA · CSLB #814282 · as of July 6, 2026
Active · clear
Manson Construction CO
Seattle, CA · CSLB #220319 · as of July 6, 2026
Active · clear
Terrence Matthew Mantle
Los Gatos, CA · CSLB #746113 · as of July 6, 2026
Active · clear
Scott Manzo DBA Manzo Construction
Canyon Country, CA · CSLB #595011 · as of July 6, 2026
Active · clear
Manzoni Trucking & Excavating INC
Sonoma, CA · CSLB #862651 · as of July 6, 2026
Active · clear
Maple Construction Ca LP
Carlsbad, CA · CSLB #985892 · as of July 6, 2026
Active · clear
Maples & Associates INC
Murrieta, CA · CSLB #701704 · as of July 6, 2026
Active · clear
Mapleservice Incorporated
Eureka, CA · CSLB #767710 · as of July 6, 2026
Active · clear
Wayne Maples Plumbing & Heating INC
Eureka, CA · CSLB #747665 · as of July 6, 2026
Active · clear
Marathon Construction Corporation
Lakeside, CA · CSLB #411338 · as of July 6, 2026
Active · clear
Marathon General INC
Escondido, CA · CSLB #551314 · as of July 6, 2026
Active · clear
Marcaurelle Engineering & Construction
San Diego, CA · CSLB #804875 · as of July 6, 2026
Active · clear
Marc Builders Llcdbamarc Engineering
Vallejo, CA · CSLB #1125149 · as of July 6, 2026
Active · clear
Marciel Excavating
Livermore, CA · CSLB #578891 · as of July 6, 2026
Active · clear
Marco Crane & Rigging CO
Lakeside, CA · CSLB #621510 · as of July 6, 2026
Active · clear
Mar Con CO
Oakland, CA · CSLB #829636 · as of July 6, 2026
Active · clear
Marcon Engineering INC
Escondido, CA · CSLB #631811 · as of July 6, 2026
Active · clear
Marelich Mechanical CO INC
Martinez, CA · CSLB #752638 · as of July 6, 2026
Active · clear
Marengo Walnut C M
Ketchum, CA · CSLB #892923 · as of July 6, 2026
Active · clear
Margolin Backhoe And Hauling
Pollock Pines, CA · CSLB #875299 · as of July 6, 2026
Active · clear
Marina Construction INC
Lake Forest, CA · CSLB #1113964 · as of July 6, 2026
Active · clear
Marina Landscape INC
Orange, CA · CSLB #492862 · as of July 6, 2026
Active · clear
Marina Seismic
San Francisco, CA · CSLB #958755 · as of July 6, 2026
Active · clear
Marin Concrete Construction INC
Perris, CA · CSLB #880073 · as of July 6, 2026
Active · clear
Marine Interface
Camano Island, CA · CSLB #581465 · as of July 6, 2026
Active · clear
Marine Mechanical INC
San Pedro, CA · CSLB #882604 · as of July 6, 2026
Active · clear
Marine Project Management INC
Ojai, CA · CSLB #832415 · as of July 6, 2026
Active · clear
Marine Tech Engineering
Redondo Beach, CA · CSLB #649285 · as of July 6, 2026
Active · clear
Marine Technical Services INC
San Pedro, CA · CSLB #586994 · as of July 6, 2026
Active · clear
Marin H20 INC
San Rafael, CA · CSLB #839817 · as of July 6, 2026
Active · clear
Marin Mechanical Ii INC
San Rafael, CA · CSLB #749299 · as of July 6, 2026
Active · clear
Marino Construction
El Dorado Hills, CA · CSLB #482082 · as of July 6, 2026
Active · clear
Marinship Development Interest LLC
San Francisco, CA · CSLB #1013885 · as of July 6, 2026
Active · clear
Rustin Marion
Calimesa, CA · CSLB #1073558 · as of July 6, 2026
Active · clear
Mariott Welding INC
Bakersfield, CA · CSLB #803585 · as of July 6, 2026
Active · clear
Mariposa Landscapes INC
Irwindale, CA · CSLB #592268 · as of July 6, 2026
Active · clear
Mariposa Tank INC
Mariposa, CA · CSLB #617349 · as of July 6, 2026
Active · clear
Mariposa Tree Management INC
Irwindale, CA · CSLB #1061455 · as of July 6, 2026
Active · clear
Marjani Builders INC
Rancho Mission Viejo, CA · CSLB #1002630 · as of July 6, 2026
Active · clear
Mark-a-lot
Chico, CA · CSLB #695404 · as of July 6, 2026
Active · clear
Mark Christopher Pracanica
Benicia, CA · CSLB #1155166 · as of July 6, 2026
Active · clear
Mark Company
Orange, CA · CSLB #266187 · as of July 6, 2026
Active · clear
Mark Iii Construction INC
Sacramento, CA · CSLB #941726 · as of July 6, 2026
Active · clear
Mark L Brandenburger
Orange, CA · CSLB #462783 · as of July 6, 2026
Active · clear
Michael Mark
Twentynine Palms, CA · CSLB #622433 · as of July 6, 2026
Active · clear
Mark Nicholas Guho
Garden City, CA · CSLB #362513 · as of July 6, 2026
Active · clear
Marko Construction Group INC
Fresno, CA · CSLB #831764 · as of July 6, 2026
Active · clear
Marko Industries INC
Harbor City, CA · CSLB #1009425 · as of July 6, 2026
Active · clear
Marks Construction Service
Nipomo, CA · CSLB #825006 · as of July 6, 2026
Active · clear
Marks Tractor Service
Placerville, CA · CSLB #848792 · as of July 6, 2026
Active · clear
Marlu Construction
Ontario, CA · CSLB #960949 · as of July 6, 2026
Active · clear
Marms Construction Company INC
Whittier, CA · CSLB #882665 · as of July 6, 2026
Active · clear
William E Marquardt
San Francisco, CA · CSLB #396401 · as of July 6, 2026
Active · clear
Marquart Plumbing And Contracting
Templeton, CA · CSLB #874579 · as of July 6, 2026
Active · clear
Marques General Engineering INC A California Corporation
Roseville, CA · CSLB #774007 · as of July 6, 2026
Active · clear
Jesus Eric Marquez JR
Rancho Cucamonga, CA · CSLB #701072 · as of July 6, 2026
Active · clear
Lewis Arthur Marquez
Rancho Cucamonga, CA · CSLB #702645 · as of July 6, 2026
Active · clear
Marshal Land Improvement INC
Solvang, CA · CSLB #1149193 · as of July 6, 2026
Active · clear
Marshall Brothers Enterprises INC
Livermore, CA · CSLB #943565 · as of July 6, 2026
Active · clear
Marshall Diving Services
Fort Bragg, CA · CSLB #1054267 · 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.