1,135 welding contractors checked against 6 data sources (Page 1 of 23)
Welding contractors for metal joining and fabrication.
1,135
Total Contractors
1,073
Active Licenses
34
Federal Records
California has 1,135 contractors holding a C60 (Welding) license. 95% have active CSLB licenses. 34 (3.0%) have at least one record in federal compliance databases.
Sorted by federal compliance records (most flags first)
CHAMPION INDUSTRIAL CONTRACTORS INC
8 flagsLicense #174777 · MODESTO
DAVISON IRON WORKS INC
7 flagsLicense #674599 · SACRAMENTO
MARELICH MECHANICAL CO INC
7 flagsLicense #752638 · MARTINEZ
SPECIALTY WELDING AND TURNAROUNDS LLC
7 flagsLicense #1007428 · GONZALES
ALLIED FIRE PROTECTION
4 flagsLicense #251700 · OAKLAND
STRATEGIC MECHANICAL INC
4 flagsLicense #834679 · FRESNO
BAJA INDUSTRIAL WELDING INC
2 flagsLicense #907200 · CALEXICO
BROADWAY MECHANICAL - CONTRACTORS INC
2 flagsLicense #584263 · OAKLAND
EXCELSIOR CONSTRUCTION
2 flagsLicense #761967 · FRESNO
KOPPL PIPELINE SERVICES LLC
2 flagsLicense #844802 · MONTEBELLO
SAN DIEGO CONSTRUCTION WELDING
2 flagsLicense #586353 · SPRING VALLEY
BAY WELDERS INC
1 flagLicense #707582 · SAN JOSE
BROWN SHEET METAL AND MECHANICAL INC
1 flagLicense #238921 · OAKDALE
CHARLES CUSTOM WELDING
1 flagLicense #1008475 · PETALUMA
COASTLINE STEEL
1 flagLicense #749215 · LOS ANGELES
CUT 2 FIT WELDING
1 flagLicense #771549 · SUN VALLEY
DRAKE WELDING INC
1 flagLicense #578727 · CAMPBELL
FIREWIRE WELDING AND FABRICATION INC
1 flagLicense #961216 · OCEANSIDE
HOLLYWOOD WELDING INC
1 flagLicense #817679 · LOS ANGELES
MARTIN'S STEEL WORKS INC
1 flagLicense #1006101 · VACAVILLE
MATAMOROS WELDING
1 flagLicense #613093 · OAKLEY
MAYFIELD WELDING INC
1 flagLicense #702317 · FRESNO
MORENA WELDING INC
1 flagLicense #721364 · SAN DIEGO
ONGARO & SONS
1 flagLicense #215233 · PETALUMA
ONSPOT WELDING & DESIGN INC
1 flagLicense #620205 · NOVATO
PERNSTEINER & SONS FABRICATION INC
1 flagLicense #990249 · TURLOCK
PREMIER TANK
1 flagLicense #715448 · NORWALK
RINCON IRON INC
1 flagLicense #1061195 · CARPINTERIA
ROBECK'S WELDING & FABRICATION INC
1 flagLicense #808049 · SAN JOSE
SCW CONTRACTING CORPORATION
1 flagLicense #630435 · FALLBROOK
ULTRA WELDING INC
1 flagLicense #750721 · PALMDALE
WESTPRO CONTRACTING INC
1 flagLicense #989141 · MURRIETA
WOODLAND WELDING WORKS
1 flagLicense #550297 · WOODLAND
YEREVAN STEEL
1 flagLicense #746312 · BURBANK
1250 CONSTRUCTION INC
ClearLicense #945900 · FRESNO
A & E WELDING INC
ClearLicense #901801 · VISALIA
A & K WELDING
ClearLicense #1083126 · LAWNDALE
A & R WELDING AND REPAIR
ClearLicense #1112674 · HESPERIA
A - 1 CRANE SERVICE
ClearLicense #654290 · COTTONWOOD
A 1 FABRICATION & WELDING INC
ClearLicense #854324 · SACRAMENTO
A A A GENERAL WELDING INC
ClearLicense #912790 · SOUTH GATE
A ABSOLUTE CONSTRUCTION WELDING INC
ClearLicense #1046933 · LAKESIDE
A B W WELDING
ClearLicense #1065764 · INYOKERN
A B WELDING INC
ClearLicense #714869 · PRATHER
A IS W S I LLC
ClearLicense #1000074 · SUWANEE
A MECHANICAL SYSTEMS INC
ClearLicense #1121663 · BAKERSFIELD
A O REED & CO LLC
ClearLicense #7731 · SAN DIEGO
A R G MOBILE WELDING
ClearLicense #1084630 · RICHMOND
A T WELDING FABRICATION
ClearLicense #1145215 · SHAFTER
A V'S WELDING
ClearLicense #991705 · THERMAL
California requires all contractors performing welding work valued at $500+ to hold a valid CSLB C60 license. Of the 1,135 licensed welding contractors in the state, 95% currently hold active licenses and 3.0% have at least one federal compliance record.
Manual vetting takes 45+ minutes per contractor and routinely misses violations in databases most people don't know to check. SiteVetter runs CSLB status, SAM.gov debarment, DOL wage violations, OSHA safety citations, and EPA environmental records in seconds—creating a timestamped compliance artifact.
Under California's "Controlling Employer" doctrine, general contractors face liability for subcontractor safety violations. For welding work specifically, 3.0% of licensed contractors have federal records that a standard CSLB license check wouldn't reveal. SiteVetter's 5-database check catches what a single-source verification misses.
Data sourced from California Contractors State License Board and federal databases. Updated weekly. For official verification, check directly with CSLB.