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C51

C51 Structural Steel Contractors in California - Page 10

1,683 CSLB C51 license records for California (Page 10 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 451-500 of 1,683

CALIFORNIA ALL STEEL CARPORTS

Clear

License #1010394 · FRESNO

Active

CALIFORNIA FABRICATION INC

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License #1063216 · BEAUMONT

Active

CALIFORNIA METAL FABRICATORS

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License #836548 · LODI

Active

CALIFORNIA ON-SITE WELDING

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License #999417 · CANYON LAKE

Active

CALIFORNIA STEEL FABRICATORS INC

Clear

License #982317 · MODESTO

Active

CANO STEEL INC

Clear

License #1112189 · NORWALK

Active

CANYON STEEL FABRICATORS INC

Clear

License #911436 · PERRIS

Active

CAPITAL CITY IRONWORKS INC

Clear

License #922290 · ROCKLIN

Active

CAPITOL IRON WORKS INC

Clear

License #223482 · SACRAMENTO

Active

CAPITOL STEEL CONSTRUCTORS INC

Clear

License #852046 · MERIDIAN

Active

CAPITOL STEEL FABRICATORS INC

Clear

License #457764 · MONROVIA

Active

CARMEL VALLEY IRONWORKS INC

Clear

License #745396 · CARMEL VALLEY

Active

CARRERA STEEL INC

Clear

License #1004550 · RIVERSIDE

Active

CASPER CONSTRUCTION

Clear

License #1117001 · MISSION VIEJO

Active

CASTLE STEEL BUILDINGS INC

Clear

License #961382 · SPRING VALLEY

Active

CASTRO IRON WORKS

Clear

License #941059 · SAN BERNARDINO

Contr Bond Susp

CASWELL IRONWORKS

Clear

License #1090490 · OAKLAND

Active

CATEGORY 5 STEEL INC

Clear

License #1015566 · SPOKANE VALLEY

Active

CB METALWORKS

Clear

License #1088803 · LAKESIDE

Active

CB&I STORAGE TANK SOLUTIONS LLC

Clear

License #1055145 · THE WOODLANDS

Active

CCM STEEL

Clear

License #1137066 · RIVERSIDE

Active

CEN CAL STEEL ERECTORS INC

Clear

License #1070742 · MADERA

Active

CENTRAL COAST WELDING INC

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License #979217 · SAN LUIS OBISPO

Active

CENTRAL PACIFIC WELDING AND FABRICATION

Clear

License #1040593 · SAND CITY

Active

CENTRAL VALLEY FABRICATORS

Clear

License #418236 · STOCKTON

Active

CENTRAL VALLEY IRON INC

Clear

License #997383 · FRESNO

Active

CENTRAL VALLEY STEEL BUILDINGS

Clear

License #856894 · LOS BANOS

Active

CENTURION INDUSTRIES INC

Clear

License #728930 · GARRETT

Active

CERO-TON ERECTOR

Clear

License #1141660 · SANTA ANA

Active

CERTIFIED STEEL FABRICATORS INC

Clear

License #1073091 · ANAHEIM

Active

CHAMPION METAL WORKS INC

Clear

License #1123462 · ESCONDIDO

Active

CHANCY CHE

Clear

License #1028931 · CORONA

Active

CHANNEL ISLANDS STRUCTURES

Clear

License #916544 · VENTURA

Active

CHANNEL WELDING & FABRICATION INC

Clear

License #863523 · OXNARD

Active

CHAPALA IRON & MANUFACTURING COMPANY INC

Clear

License #795420 · VENTURA

Active

CHAPMAN CONSTRUCTION

Clear

License #964127 · RIVERSIDE

Active

CHASE TOM

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License #836815 · FAIR OAKS

Active

CHAVEZ AVILA BERNARDO

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License #1078368 · NORWALK

Active

CHEN JACKY WEIFENG

Clear

License #1064816 · DALY CITY

Contr Bond Susp

CHENEY METALS INC

Clear

License #560763 · WATSONVILLE

Active

CHIANG ROBERT

Clear

License #365642 · SAN FRANCISCO

Active

CHIAPA WELDING INC

Clear

License #523004 · PORTERVILLE

Active

CHIFONGAS STEEL CO

Clear

License #1113059 · JURUPA VALLEY

Active

CHUNG NONG CONTRACTORS

Clear

License #964739 · TORRANCE

Active

CISNEROS STRUCTURAL STEEL

Clear

License #1126795 · HAYWARD

Work Comp Susp

CIVES CORPORATION

Clear

License #760771 · ALPHARETTA

Active

CLASS A WELDING

Clear

License #1135669 · GARDENA

Active

CLASSIC ERECTING

Clear

License #1126848 · SILVERADO

Active

CLOVER D G CONSTRUCTION COMPANY INC

Clear

License #355390 · YUBA CITY

Active

CMP-FAB INC

Clear

License #1151922 · SACRAMENTO

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.