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C51

C51 Structural Steel Contractors in California - Page 17

1,683 CSLB C51 license records for California (Page 17 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 801-850 of 1,683

HOVAK IRON WORK

Clear

License #1025458 · PACOIMA

Contr Bond Susp

HOVHANNES VARDANYAN

Clear

License #1150707 · SUNLAND

Active

HOWELL COMMUNICATIONS INC

Clear

License #720578 · RAYMOND

Active

HQ WELDING SERVICES

Clear

License #1081441 · SAN BERNARDINO

Active

HR TOWERS COMPANY INC

Clear

License #851083 · SIMI VALLEY

Active

HTIW CONSTRUCTION INC

Clear

License #1111752 · TORRANCE

Active

HUNTER METAL

Clear

License #797696 · KINGS BEACH

Active

HURTADO PHILIP

Clear

License #1013542 · RIALTO

Work Comp Susp

HYDRONA STEEL WATER TANKS

Clear

License #1089716 · WEATHERFORD

Active

HYE SUN CHOI

Clear

License #1139023 · LOS ANGELES

Active

HYE WELDING LLC

Clear

License #1138249 · LOS ANGELES

Active

I B STEEL

Clear

License #1133163 · SAN BRUNO

Active

I BEAM CONSTRUCTION LLC

Clear

License #1094433 · IRVINE

Active

I V WELDING & MECHANICAL INC

Clear

License #826514 · EL CENTRO

Active

I Z CONSTRUCTION INC

Clear

License #446177 · SUN VALLEY

Active

ICONIC DEVELOPMENT

Clear

License #989768 · CYPRESS

Active

IDEAL STEEL FABRICATION

Clear

License #1040545 · NIPOMO

Active

IE STRUCTURAL STEEL

Clear

License #1154166 · SAN BERNARDINO

Active

IMPERIAL STEEL INC

Clear

License #1135002 · SAN DIEGO

Active

IN - LINE CONSTRUCTION INC

Clear

License #769516 · RAMONA

Active

INDEPENDENT IRON

Clear

License #789104 · SAN BERNARDINO

Active

INDUSTRIAL MAINTENANCE SPECIALISTS INC

Clear

License #872884 · GAS CITY

Active

INDUSTRIAL STEEL CONSTRUCTION INC

Clear

License #926790 · SONORA

Active

INFINITY IRON INC

Clear

License #849285 · CHINO

Active

INLAND STEEL

Clear

License #422686 · SAN BERNARDINO

Active

INLAND STEEL ERECTORS INC

Clear

License #1151015 · STANWOOD

Active

INLAND STEEL INC

Clear

License #1112693 · RANCHO CUCAMONGA

Active

INNOVATIVE STEEL ERECTION

Clear

License #1087173 · WRIGHTWOOD

Active

INTERSTATE DECISIVE CONTRACTOR-I D C

Clear

License #427352 · SAN JOSE

Active

INTERSTATE ERECTORS INC

Clear

License #943502 · SPOKANE VALLEY

Active

INTERSTATE STEEL BUILDERS INC

Clear

License #968575 · WINDSOR

Active

IRON & STEEL CONSTRUCTION

Clear

License #680628 · LAKE BALBOA

Active

IRON - MEX CORP

Clear

License #903414 · FONTANA

Active

IRON ACTIVITY

Clear

License #904591 · FOSTER CITY

Work Comp Susp

IRON CASTLE INC

Clear

License #983369 · SUN VALLEY

Active

IRON CONSTRUCTION & ENGINEERING CORP

Clear

License #940834 · NORTH HILLS

Active

IRON DOG FABRICATION INC

Clear

License #726720 · SANTA ROSA

Active

IRON GUY INC THE

Clear

License #1117866 · PACOIMA

Active

IRON INDUSTRIES INC

Clear

License #851744 · HANFORD

Active

IRON NIKKEL CONSTRUCTION INC

Clear

License #877145 · BAKERSFIELD

Active

IRON ROD INC THE

Clear

License #636851 · SAN MARTIN

Active

IRON WORK INDUSTRIES INC

Clear

License #942016 · SANTA ANA

Active

IRON WORKS ON TIME INC

Clear

License #1014223 · LOS ANGELES

Active

IRONMAN CUSTOM WELDING WORKS

Clear

License #908875 · WOODLAND

Active

IRONMAN INC

Clear

License #670390 · CHATSWORTH

Active

IRONSTONE CUSTOM DECKS

Clear

License #848259 · COLFAX

Active

IRONSTONE METAL WORKS INC

Clear

License #760423 · SAN CARLOS

Active

ISAAC'S IRONWORKS INC

Clear

License #639298 · SUN VALLEY

Active

IVERSON STEEL & ERECTION INC

Clear

License #623142 · MURRAY

Active

J & J STEEL BROS INC

Clear

License #1124766 · LANCASTER

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.