SiteVetterSiteVetter
C51

C51 Structural Steel Contractors in California - Page 23

1,683 CSLB C51 license records for California (Page 23 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 1101-1150 of 1,683

MONTEREY STRUCTURAL STEEL INC

Clear

License #846534 · WATSONVILLE

Active

MORA'S STEEL

Clear

License #1086749 · SANTA ANA

Active

MORELLO METAL FAB INC

Clear

License #551255 · REDWOOD CITY

Active

MORRIS PHILLIP L

Clear

License #330619 · POPE VALLEY

Active

MOUNTAIN FORGE INC THE

Clear

License #857748 · TRUCKEE

Active

MPX STRUCTURAL STEEL SERVICES

Clear

License #1139153 · COMPTON

Active

MSI STRUCTURAL STEEL CONSTRUCTION LLC

Clear

License #1140334 · HUNTINGTON BEACH

Active

MSI STRUCTURAL WELDING

Clear

License #1061650 · ANAHEIM

Active

MTZ STEEL INC

Clear

License #920312 · BELLFLOWER

Active

MWC GROUP INC

Clear

License #1011160 · PHELAN

Active

NANEMONE STEEL & CONSTRUCTION

Clear

License #1011948 · POMONA

Active

NATIONAL STORAGE PARTNERS INC

Clear

License #527712 · HEALDSBURG

Active

NEIL GORDON MCCARTHY

Clear

License #1154486 · LANCASTER

Active

NERD ON TIME STEEL SOLUTIONS

Clear

License #1134103 · ANDERSON

Active

NERELLI WELDING INC

Clear

License #1000015 · PASO ROBLES

Active

NEVADA MILES CONSTRUCTION

Clear

License #899189 · RENO

Active

NEVAREZ STEEL STRUCTURES INC

Clear

License #1096833 · MADERA

Active

NEWMAN STEEL INC

Clear

License #565974 · CAMPBELL

Active

NEXT CENTURY REBAR INC

Clear

License #718745 · HENDERSON

Active

NGN TANK SERVICES INC

Clear

License #1119805 · HEMET

Active

NICHOLS BRANDON

Clear

License #999218 · CORONA

Active

NICK REDE CO LLC

Clear

License #1160467 · BROCK

Active

NICKLES CONST

Clear

License #523490 · CLEMENTS

Active

NIEMAN METAL WORKS LLC

Clear

License #1117111 · QUINCY

Active

NISSI STEEL FABRICATION

Clear

License #1109755 · CALEXICO

Contr Bond Susp

NOBLE STEEL

Clear

License #1104163 · DURHAM

Active

NOEL WELDING CENTER INC

Clear

License #752889 · CHATSWORTH

Active

NOR - CAL IRON WORKS

Clear

License #823347 · WATSONVILLE

Active

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 · FORNEY

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

OC STRUCTURAL STEEL

Clear

License #1157116 · SAN CLEMENTE

Active

OGLETREE'S INC

Clear

License #909032 · ST HELENA

Active

OKANE CREGG STEEL INC

Clear

License #993716 · SAN FRANCISCO

Active

OLD SCHOOL IRON INC

Clear

License #925520 · VISTA

Active

OLD WEST IRON INC

Clear

License #1157644 · VACAVILLE

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.