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C51

C51 Structural Steel Contractors in California - Page 23

1,642 CSLB C51 license records for California (Page 23 of 33)

CSLB C51 License Scope

Structural steel contractors for steel frame construction.

1,642

Total Contractors

1,538

Active Licenses

181

Federal Records

Run CSLB License Lookup

C51 Structural Steel Contractor License Records

Showing contractors 1101-1150 of 1,642

NOR-CAL IRON INC

Clear

License #1145671 · GILROY

Active

NOR-CAL STEEL STRUCTURES

Clear

License #964357 · MODESTO

Active

NORTHERN STATE STEEL LLC

Clear

License #1117409 · WEAVERVILLE

Active

NORTHERN STEEL INC

Clear

License #385983 · MODESTO

Active

NORTHERN STRUCTURAL INC

Clear

License #897836 · CASTRO VALLEY

Active

NORTHWEST STEEL ERECTION INC

Clear

License #1122383 · DES MOINES

Active

NOWDESHA METAL SOLUTIONS INC

Clear

License #867040 · MONTAGUE

Active

NS METAL STRUCTURES & DESIGN INC

Clear

License #1073672 · COSTA MESA

Active

NTK STEEL CONSTRUCTION

Clear

License #1069264 · FAIR OAKS

Active

NUNNO CORPORATION LTD

Clear

License #456351 · PASO ROBLES

Active

NUNO IRON & MANUFACTURING INC

Clear

License #757760 · KING CITY

Active

NVIRO

Clear

License #1056567 · SAN LUIS OBISPO

Active

O & M INDUSTRIES

Clear

License #284930 · ARCATA

Active

O P STEEL INC

Clear

License #997327 · PERRIS

Active

O V WELDING

Clear

License #1105443 · MENIFEE

Active

O'BRIEN CRANE & RIGGING INC

Clear

License #692309 · STOCKTON

Active

OC IRON STRUCTURAL STEEL

Clear

License #1150751 · GARDEN GROVE

Active

OGLETREE'S INC

Clear

License #909032 · ST HELENA

Work Comp Susp

OKANE CREGG STEEL INC

Clear

License #993716 · SAN FRANCISCO

Active

OLD SCHOOL IRON INC

Clear

License #925520 · VISTA

Active

OLSEN-BEAL ASSOCIATES

Clear

License #582456 · LINDON

Active

ONYXX STEEL CORP

Clear

License #1078220 · RANCHO CUCAMONGA

Active

OPTIMAL ORNAMENTAL STEEL FABRICATION

Clear

License #1119227 · SALINAS

Active

ORANGE COUNTY IRON INC

Clear

License #507013 · ANAHEIM

Active

ORANGE STRUCTURAL STEEL AND FABRICATION

Clear

License #1151345 · POMONA

Active

ORAWAY ENGINEERING INC

Clear

License #827662 · INDIO

Active

ORBAS & ASSOCIATES

Clear

License #386855 · GOLDEN VALLEY

Active

OREA SIMON INOCENCIO

Clear

License #1095265 · SOUTH GATE

Active

ORGANIC METAL CONSTRUCTION CORP

Clear

License #1058786 · SONOMA

Active

OUNANIDOU NELLI

Clear

License #1094185 · NORTH HOLLYWOOD

Active

OVERHEAD DOOR SYSTEMS INC

Clear

License #797147 · CORONA

Active

OWEN MIKE FABRICATION INC

Clear

License #875042 · BAKERSFIELD

Active

P & M IRON INC

Clear

License #812406 · ACTON

Active

P & N IRON WORK, INC

Clear

License #1019928 · SUNLAND

Active

P C H STEEL INC

Clear

License #1059926 · HAWTHORNE

Active

P C N 3 INC

Clear

License #786518 · LOS ALAMITOS

Active

P D R ARCHITECTURAL METALS

Clear

License #469486 · VALLEY CENTER

Active

P D WELDING

Clear

License #835793 · WASCO

Active

P P C INDUSTRIES

Clear

License #1050472 · LONGVIEW

Active

PACIFIC COAST ERECTORS LLC

Clear

License #1035377 · SAN DIEGO

Active

PACIFIC COAST IRON

Clear

License #447712 · SPRING VALLEY

Active

PACIFIC COAST IRONWORKS

Clear

License #535768 · LAKE ELSINORE

Active

PACIFIC COAST IRONWORKS INC

Clear

License #688832 · LOS ANGELES

Active

PACIFIC METAL BUILDINGS INC

Clear

License #947468 · MAXWELL

Active

PACIFIC NW STEEL AND PANEL CONSTRUCTION LLC

Clear

License #1128550 · MALAGA

Active

PACIFIC STAIR CO

Clear

License #811650 · SALEM

Active

PACIFIC STEEL

Clear

License #891516 · SCOTTS VALLEY

Active

PACIFIC STEEL INDUSTRIES INC

Clear

License #1000401 · SAN DIEGO

Active

PACIFICO STRUCTURAL STEEL INC

Clear

License #1009253 · PACOIMA

Active

PALM STEEL INC

Clear

License #1064297 · SAN DIEGO

Contr Bond Susp

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 1,642 CSLB C51 license records for structural steel contractors. 94% 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.