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C51

C51 Structural Steel Contractors in California - Page 19

1,683 CSLB C51 license records for California (Page 19 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 901-950 of 1,683

JOOR ROBERT

Clear

License #1009793 · CORONA

Active

JOURNEYMAN IRON WORKS CORPORATION

Clear

License #1065387 · ONTARIO

Active

JS WELDING & FABRICATION INC

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License #903441 · TEMECULA

Active

JUAANE'S PORTABLE WELDING INC

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License #1047155 · NORCO

Active

JULIAN TREE CARE INC

Clear

License #1009796 · RICHMOND

Active

JUMBO'S STRUCTURAL STEEL SERVICES

Clear

License #1061232 · MEAD

Contr Bond Susp

JVC STEEL

Clear

License #1132975 · AMERICAN CANYON

Active

JW PARKS COMPANY

Clear

License #814714 · WEAVERVILLE

Active

K & D ENTERPRISES INC

Clear

License #729153 · CERES

Active

K & S IRONWORKS INC

Clear

License #1018973 · STOCKTON

Active

K & S STEEL

Clear

License #1028136 · MORGAN HILL

Active

K B ORNAMENTAL STEEL

Clear

License #1061945 · VAN NUYS

Work Comp Susp

K D STEEL INC

Clear

License #704849 · MEAD

Active

K G E L STEEL INC

Clear

License #1024885 · RIVERSIDE

Active

K METAL WORK & DESIGN INC

Clear

License #1159361 · BUENA PARK

Active

K P CONSTRUCTION CO INC

Clear

License #790555 · ONTARIO

Active

K S U CORPORATION

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License #1022029 · MISSION VIEJO

Active

K&M WELDING LLC

Clear

License #711135 · ATWATER

Active

KASCO FAB INC

Clear

License #433448 · FRESNO

Active

KAT STEEL INC

Clear

License #1129732 · HESPERIA

Active

KAZONI CONSTRUCTION

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License #974982 · NEWPORT BEACH

Active

KCB TOWERS INC

Clear

License #503206 · BANNING

Active

KDR STEEL

Clear

License #705970 · FONTANA

Active

KEE INC

Clear

License #1084596 · LOS ANGELES

Active

KENNEDY STEEL

Clear

License #1086611 · ONTARIO

Active

KENNEDY STRUCTURAL STEEL

Clear

License #1088280 · DENVER

Work Comp Susp

KENT WIMMER STEEL FABRICATION

Clear

License #467839 · RANCHO CORDOVA

Active

KERN COUNTY ERECTORS INC

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License #1078485 · BAKERSFIELD

Active

KERN ERECTORS INC

Clear

License #752682 · BAKERSFIELD

Active

KERN STEEL FABRICATION INC

Clear

License #388210 · BAKERSFIELD

Active

KEY BUILDERS INC

Clear

License #1087117 · POMONA

Active

KHANIAN STEEL INC

Clear

License #1101118 · GLENDALE

Active

KILCOLGAN CONSTRUCTION

Clear

License #513553 · RICHMOND

Active

KIM JAMES CHONG

Clear

License #1102156 · LOS ANGELES

Active

KIM MICHELLE

Clear

License #1048103 · SANTA MONICA

Active

KIMO'S STEEL FABRICATION

Clear

License #985375 · SAUGUS

Active

KING CUSTOM METAL INC

Clear

License #983288 · ESCONDIDO

Active

KING WIRE PARTITIONS INC

Clear

License #410475 · LOS ANGELES

Active

KINGS BRASS & IRON WORKS INC

Clear

License #728162 · SAN FERNANDO

Active

KLASSEN CORPORATION

Clear

License #350573 · BAKERSFIELD

Active

KMBJ STRUCTURAL STEEL

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License #1044441 · LOS ANGELES

Active

KNICKELBEIN BUILDERS

Clear

License #375620 · PASADENA

Work Comp Susp

KNIGHT BUILDING SYSTEMS INC

Clear

License #593645 · TEHACHAPI

Active

KNS STEEL INC

Clear

License #969046 · LOS ANGELES

Active

KOEHLER J STEEL

Clear

License #1085030 · CHOWCHILLA

Active

KP BUILDERS

Clear

License #983861 · ONTARIO

Active

KP STEEL MANUFACTURING INC

Clear

License #1123032 · EASTVALE

Active

KR WELDING INC

Clear

License #1031400 · GLENDALE

Active

KRAUS GLENN FABRICATION

Clear

License #637291 · ONTARIO

Active

KSM CONSTRUCTION INC

Clear

License #920969 · TORRANCE

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.