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C51

C51 Structural Steel Contractors in California - Page 32

1,683 CSLB C51 license records for California (Page 32 of 34)

CSLB C51 License Scope

Structural steel contractors for steel frame construction.

1,683

Total Contractors

1,559

Active Licenses

185

Federal Records

Run CSLB License Lookup

C51 Structural Steel Contractor License Records

Showing contractors 1551-1600 of 1,683

TOLLESON STEEL INC

Clear

License #1130531 · TOLLESON

Active

TOM'S WELDING & FABRICATION

Clear

License #728525 · SAN FRANCISCO

Active

TOP IRON WORKS

Clear

License #629984 · GLENDALE

Contr Bond Susp

TOP METAL DESIGNS INC

Clear

License #856924 · REDWOOD CITY

Active

TOP OF STEEL STRUCTURES

Clear

License #1139510 · RAMONA

Active

TOP STEEL ERECTORS INC

Clear

License #1031937 · NEWHALL

Active

TOP WELDING

Clear

License #779556 · GRANADA HILLS

Active

TOPLINE FABRICATIONS & WELDING

Clear

License #1133874 · FREMONT

Active

TORQUE STEEL INC

Clear

License #1062669 · SUNLAND

Active

TORRES CONSTRUCTION WELDING LLC

Clear

License #1103597 · NATIONAL CITY

Active

TOTAL CONSTRUCTION SOLUTIONS

Clear

License #1022149 · BERKELEY

Active

TOTAL STEEL ERECTORS INC

Clear

License #1129711 · SACRAMENTO

Active

TOWER STEEL ERECTOR INC

Clear

License #1107503 · SAN BERNARDINO

Family Sup Susp

TRAFALGAR IRONWORKS

Clear

License #828387 · RICHMOND

Contr Bond Susp

TREMBLAY IRON WORKS

Clear

License #844515 · INDIO

Active

TRI - COUNTY WELDING SERVICES INC

Clear

License #918614 · THOUSAND OAKS

Active

TRIAD STEEL SERVICE LLC

Clear

License #1113579 · PHOENIX

Active

TRINITY STEEL FABRICATOR INC

Clear

License #1149760 · SAN DIEGO

Active

TRIPLE D'S METAL

Clear

License #867030 · RED BLUFF

Active

TRUENORTH STEEL INC

Clear

License #968736 · FARGO

Active

TRUFUSION STEEL CO LLC

Clear

License #1106970 · RIVERSIDE

Active

TS METAL INC

Clear

License #1070518 · MILLBRAE

Active

TSC METAL INC

Clear

License #1134900 · ANTIOCH

Active

TUTTLE'S CHARLEY CUSTOM WELDING AND METAL FABRICATION

Clear

License #859267 · BONSALL

Active

TWENTY ONE RETROFIT INC

Clear

License #1065687 · CARSON

Work Comp Susp

U S IRON COMPANY

Clear

License #1015023 · ESCONDIDO

Active

UBCA INC

Clear

License #920943 · TEMECULA

Active

UMILI AMERICA INC

Clear

License #454679 · SOUTH SAN FRANCISCO

Active

UNICON GROUP INC THE

Clear

License #827971 · MONROVIA

Active

UNITED CONTRACTORS

Clear

License #416125 · SAN BERNARDINO

Active

UNITED IRON WORKS

Clear

License #877077 · OROVILLE

Active

UNITED PIPE & STEEL FABRICATION

Clear

License #925467 · BAKERSFIELD

Active

UNITED STEEL CORPORATION

Clear

License #700700 · LOS ANGELES

Active

UNITED STEEL FABRICATION LLC

Clear

License #1119409 · GOODYEAR

Active

UNIVERSAL INDUSTRIAL SHEET METAL

Clear

License #457906 · ANAHEIM

Active

UNIVERSAL IRON WORKS INC

Clear

License #742271 · PACOIMA

Active

UNIVERSAL STEEL WORKS INC

Clear

License #1051269 · PACOIMA

Active

UNIX CONSTRUCTION INC

Clear

License #1020144 · LOS ANGELES

Active

UPLAND STEEL

Clear

License #1010330 · UPLAND

Active

US ERECTORS INC

Clear

License #1123761 · PLEASANT HILL

Active

UTAH PACIFIC BRIDGE & STEEL LLC

Clear

License #548237 · LINDON

Active

V A & SONS WELDING INC

Clear

License #1041266 · SAN BERNARDINO

Active

V B STEEL WORKS

Clear

License #1111716 · SACRAMENTO

Family Sup Susp

V F B A JOINT VENTURE

Clear

License #1062808 · TARZANA

Active

V I P IRON WORKS INC

Clear

License #660816 · LOS ANGELES

Active

V P M IRON WORKS INC

Clear

License #998093 · LOS ANGELES

Active

V-LINE CONSTRUCTION CO

Clear

License #789989 · SUNLAND

Active

VALADEZ IRON

Clear

License #949752 · SAN YSIDRO

Active

VALENCIA STEEL

Clear

License #1088594 · MORENO VALLEY

Contr Bond Susp

VALLEY CONCRETE & STEEL

Clear

License #937811 · PALM DESERT

Active

C51 Structural Steel Contractor License Lookup

Use this page when you need a California C51 license lookup, a list of licensed structural steel contractors, or a quick screen before assigning structural steel work to a sub. Each row links to a contractor profile with CSLB status, workers' comp, bond, federal records, and permit checks.

California has 1,683 CSLB C51 license records for structural steel contractors. 93% currently hold active licenses and 11.0% have at least one federal compliance record. SiteVetter checks CSLB status, SAM.gov debarment, DOL wage violations, OSHA safety citations, EPA environmental records, and building permits in seconds.

What to Check for C51 Structural Steel 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 Federal Records Matter for Structural Steel Work

For structural steel work, 11.0% of licensed contractors have federal records that a standard CSLB license check would not reveal. SiteVetter's 6-source lookup gives GCs a faster way to compare subs before bid award, onboarding, or renewal review.

Data sourced from California Contractors State License Board and federal databases. Updated weekly. For official verification, check directly with CSLB.