C60

Welding Contractor Verification

1,135 welding contractors checked against 6 data sources (Page 1 of 23)

About C60 License

Welding contractors for metal joining and fabrication.

1,135

Total Contractors

1,073

Active Licenses

34

Federal Records

Verify a Welding Contractor

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.

Welding Contractors

Sorted by federal compliance records (most flags first)

CHAMPION INDUSTRIAL CONTRACTORS INC

8 flags

License #174777 · MODESTO

Active

DAVISON IRON WORKS INC

7 flags

License #674599 · SACRAMENTO

Active

MARELICH MECHANICAL CO INC

7 flags

License #752638 · MARTINEZ

Active

SPECIALTY WELDING AND TURNAROUNDS LLC

7 flags

License #1007428 · GONZALES

Active

ALLIED FIRE PROTECTION

4 flags

License #251700 · OAKLAND

Active

STRATEGIC MECHANICAL INC

4 flags

License #834679 · FRESNO

Active

BAJA INDUSTRIAL WELDING INC

2 flags

License #907200 · CALEXICO

Active

BROADWAY MECHANICAL - CONTRACTORS INC

2 flags

License #584263 · OAKLAND

Active

EXCELSIOR CONSTRUCTION

2 flags

License #761967 · FRESNO

Work Comp Susp

KOPPL PIPELINE SERVICES LLC

2 flags

License #844802 · MONTEBELLO

Active

SAN DIEGO CONSTRUCTION WELDING

2 flags

License #586353 · SPRING VALLEY

Active

BAY WELDERS INC

1 flag

License #707582 · SAN JOSE

Active

BROWN SHEET METAL AND MECHANICAL INC

1 flag

License #238921 · OAKDALE

Active

CHARLES CUSTOM WELDING

1 flag

License #1008475 · PETALUMA

Active

COASTLINE STEEL

1 flag

License #749215 · LOS ANGELES

Active

CUT 2 FIT WELDING

1 flag

License #771549 · SUN VALLEY

Active

DRAKE WELDING INC

1 flag

License #578727 · CAMPBELL

Active

FIREWIRE WELDING AND FABRICATION INC

1 flag

License #961216 · OCEANSIDE

Active

HOLLYWOOD WELDING INC

1 flag

License #817679 · LOS ANGELES

Active

MARTIN'S STEEL WORKS INC

1 flag

License #1006101 · VACAVILLE

Active

MATAMOROS WELDING

1 flag

License #613093 · OAKLEY

Active

MAYFIELD WELDING INC

1 flag

License #702317 · FRESNO

Active

MORENA WELDING INC

1 flag

License #721364 · SAN DIEGO

Active

ONGARO & SONS

1 flag

License #215233 · PETALUMA

Active

ONSPOT WELDING & DESIGN INC

1 flag

License #620205 · NOVATO

Active

PERNSTEINER & SONS FABRICATION INC

1 flag

License #990249 · TURLOCK

Active

PREMIER TANK

1 flag

License #715448 · NORWALK

Active

RINCON IRON INC

1 flag

License #1061195 · CARPINTERIA

Active

ROBECK'S WELDING & FABRICATION INC

1 flag

License #808049 · SAN JOSE

Active

SCW CONTRACTING CORPORATION

1 flag

License #630435 · FALLBROOK

Active

ULTRA WELDING INC

1 flag

License #750721 · PALMDALE

Active

WESTPRO CONTRACTING INC

1 flag

License #989141 · MURRIETA

Active

WOODLAND WELDING WORKS

1 flag

License #550297 · WOODLAND

Active

YEREVAN STEEL

1 flag

License #746312 · BURBANK

Active

1250 CONSTRUCTION INC

Clear

License #945900 · FRESNO

Active

A & E WELDING INC

Clear

License #901801 · VISALIA

Active

A & K WELDING

Clear

License #1083126 · LAWNDALE

Active

A & R WELDING AND REPAIR

Clear

License #1112674 · HESPERIA

Active

A - 1 CRANE SERVICE

Clear

License #654290 · COTTONWOOD

Active

A 1 FABRICATION & WELDING INC

Clear

License #854324 · SACRAMENTO

Active

A A A GENERAL WELDING INC

Clear

License #912790 · SOUTH GATE

Active

A ABSOLUTE CONSTRUCTION WELDING INC

Clear

License #1046933 · LAKESIDE

Active

A B W WELDING

Clear

License #1065764 · INYOKERN

Active

A B WELDING INC

Clear

License #714869 · PRATHER

Active

A IS W S I LLC

Clear

License #1000074 · SUWANEE

Work Comp Susp

A MECHANICAL SYSTEMS INC

Clear

License #1121663 · BAKERSFIELD

Active

A O REED & CO LLC

Clear

License #7731 · SAN DIEGO

Active

A R G MOBILE WELDING

Clear

License #1084630 · RICHMOND

Active

A T WELDING FABRICATION

Clear

License #1145215 · SHAFTER

Active

A V'S WELDING

Clear

License #991705 · THERMAL

Active

How to Verify a Welding Contractor (C60) in California

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.

Verification Checklist for Welding Contractors

  • Verify the contractor license is active and in good standing
  • Request proof of insurance and bonding
  • Get at least 3 written quotes before selecting a contractor
  • Check federal databases: SAM.gov, OSHA, DOL, and EPA records
  • Confirm bond: California requires $25,000+ contractor bond (SB 607)

Why Verification Matters for Welding Work

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.