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C51

C51 Structural Steel Contractors in California - Page 18

1,683 CSLB C51 license records for California (Page 18 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 851-900 of 1,683

J & L STRUCTURAL STEEL WELDING INC

Clear

License #747271 · WALNUT

Active

J & M WELDING INC

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License #1046894 · PASO ROBLES

Active

J & R STEEL & WELDING INC

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License #618263 · ENCINO

Active

J & S STEEL CONSTRUCTION

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License #832884 · WALNUT CREEK

Active

J AND A WELDING SERVICES INC

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License #1088453 · OXNARD

Active

J AND D STEEL FABRICATION AND REPAIR

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License #1143724 · SANTA MARIA

Active

J AND D STEEL FABRICATION AND REPAIR LP

Clear

License #1051532 · SANTA MARIA

Susp - No Qualifier

J B IRON WORK

Clear

License #1001267 · TUJUNGA

Active

J C STEEL FABRICATION INC

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License #799544 · SAN FRANCISCO

Active

J C'S ENGINEERING

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License #980143 · SAN FRANCISCO

Contr Bond Susp

J E M UNLIMITED IRON INC

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License #831720 · ANAHEIM

Active

J G STEEL INC

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License #962458 · LOMA RICA

Active

J H V STRUCTURAL STEEL INC

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License #1141880 · BALDWIN PARK

Active

J J PORTABLE WELDING

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License #1100810 · FONTANA

Active

J K I STRUCTURAL STEEL INC

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License #1025807 · CALIMESA

Active

J K STEEL INC

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License #864128 · NORTHRIDGE

Active

J M G STEEL CORP

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License #1057141 · MORENO VALLEY

Active

J M I STEEL INC

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License #709127 · SUN VALLEY

Active

J M L STEEL CONTRACTORS INC

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License #1081939 · MENIFEE

Active

J N A BUILDERS INC

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License #942926 · LOS ANGELES

Active

J N BUILDS INC

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License #1055529 · MANHATTAN BEACH

Active

J N S IRONWORKS

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License #1068882 · LEBEC

Active

J P C CONTRACTING

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License #725153 · CHICO

Active

J P W STEEL

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License #950304 · EL MONTE

Active

J S WELDING

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License #640568 · RIPON

Work Comp Susp

J V STEEL BLDGS

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License #869643 · SANTEE

Active

J&G IRONWORKS LLC

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License #1137242 · HOOD

Active

JA STRUCTURAL STEEL INC

Clear

License #1128544 · HESPERIA

Active

JAKEL CONSTRUCTION & ELECTRIC CO

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License #660270 · RANCHO CORDOVA

Active

JARRARD CONSTRUCTION

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License #640406 · SANTA ANA

Active

JAYSCO INC

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License #679896 · YUCAIPA

Active

JBC METALS INC

Clear

License #1117416 · SAN FRANCISCO

Susp - No Qualifier

JD2 INCORPORATED

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License #674925 · AUBURN

Active

JENNY M LEE

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License #1160310 · ALHAMBRA

Active

JERICO SPECIALTY METALS INC

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License #845688 · SAN BERNARDINO

Active

JESUS MUNOZ

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License #1046360 · ESCONDIDO

Active

JETTSYN IRON

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License #1063278 · NEWBURY PARK

SOS Suspension

JIM'S ORNAMENTAL IRON WORKS INC

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License #725391 · PALMDALE

Active

JIMENEZ HERRERA LUISA MARGARITA

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License #1080360 · ONTARIO

Active

JINDARLY INTERNATIONAL LLC

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License #1160936 · BRISBANE

Active

JJ IRON FORGE INC

Clear

License #1071592 · AGUA DULCE

Active

JL CONSTRUCTION SERVICE INC

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License #1005834 · LA CANADA

Active

JM WELDING SERVICE INC

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License #856533 · HAYWARD

Active

JMW STEEL ERECTORS

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License #1125411 · MADERA

Active

JOAQUIN VICENTE REYES

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License #1059374 · PERRIS

Active

JOBSITE STUD WELDING INC

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License #839393 · CHINO

Active

JOE-FABWERKS STRUCTURAL STEEL

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License #1048133 · MENTONE

Active

JOHNSON SHEPARD

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License #331899 · FOLSOM

Active

JOHNSON STEEL SOURCE

Clear

License #797977 · ALTADENA

Active

JOLLY STEEL COMPANY INC

Clear

License #828795 · CONCORD

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.