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C51

C51 Structural Steel Contractors in California - Page 12

1,642 CSLB C51 license records for California (Page 12 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 551-600 of 1,642

DEL TORO STEEL ERECTORS INC

Clear

License #1086511 · DINUBA

Active

DELTA FABRICATION AND MACHINE ERECTORS

Clear

License #1146149 · DAINGERFIELD

Active

DELTA STEEL CONSTRUCTION INC.

Clear

License #956902 · CARMICHAEL

Judgement Susp

DELTA WELDING AND FABRICATION INC

Clear

License #761090 · SANTA BARBARA

Active

DEMEL METAL FABRICATION

Clear

License #1115510 · ANAHEIM

Active

DERR AND GRUENEWALD

Clear

License #1043748 · HENDERSON

Active

DESERT PRESTIGE ORNAMENTAL IRON

Clear

License #963737 · THOUSAND PALMS

Active

DESIGNER WELDING INC

Clear

License #1098805 · LANCASTER

Contr Bond Susp

DESIGNER WORKS

Clear

License #986451 · ONTARIO

Active

DESTINY CONTRACTORS

Clear

License #736596 · SALEM

Active

DETAIL EQUIPMENT SYSTEMS LLC

Clear

License #1101609 · MORGAN HILL

Active

DETAIL IRONWORKS

Clear

License #769491 · SAN FRANCISCO

Active

DIABLO IRON & FENCE INC

Clear

License #418902 · DANVILLE

Active

DIAMOND STEEL CONSTRUCTION INC

Clear

License #960425 · MENIFEE

Active

DISTINCTIVE METALS, ANGELS HEATING & AIR CONDITIONING

Clear

License #341424 · ANGELS CAMP

Active

DIVERSIFIED METALWORKS

Clear

License #385215 · CORONA

Active

DLR STEEL

Clear

License #1066743 · MISSION HILLS

Active

DMMETALS INC

Clear

License #1130385 · RICHMOND

Active

DOLAN IRON WORKS

Clear

License #1068535 · PACIFICA

Active

DOMINGUEZ DANIEL

Clear

License #1109092 · MADERA

Active

DOUBLE ""D"" FRAMING CONTRACTOR

Clear

License #1057202 · SPARKS

Active

DOUBLE R PRODUCTS

Clear

License #788619 · GRANTS PASS

Contr Bond Susp

DOUGHERTY WELDING

Clear

License #1107241 · NEWBURY PARK

Active

DOYLE IRON WORKS INC

Clear

License #1094434 · SAUSALITO

Active

DRAGON STEEL INC

Clear

License #921328 · GLENDALE

Active

DRAKE CO STRUCTURAL STEEL

Clear

License #1099743 · TAHOE CITY

Active

DS WELDING INC

Clear

License #1006722 · GRASS VALLEY

Active

DSE ERECTORS INC

Clear

License #812944 · JACKSON

Active

DSI SPACEFRAMES INC

Clear

License #1010299 · ADDISON

Active

DUAL STEEL INC

Clear

License #1094171 · HAYWARD

Active

DUCWORKS INC

Clear

License #554369 · LOGAN

Active

DUENAS R METAL WORKS

Clear

License #1023292 · PALO ALTO

Active

DUNCAN BROS INC

Clear

License #450201 · RIVERSIDE

Active

DUNN RIGHT STEEL

Clear

License #1063077 · PARAMOUNT

Active

DYLAN JAMES SAUTER

Clear

License #1141907 · UPLAND

Active

DYNAMIC IRON WORKS INC

Clear

License #1000130 · NORTH HIGHLANDS

Active

DYNAMIS IRON STRUCTURAL STEEL

Clear

License #1123992 · SANTA ROSA

Active

E C G COMPANIES INC

Clear

License #985446 · ANAHEIM

Active

E R STRUCTURAL STEEL INC

Clear

License #1038704 · WHITTIER

Active

E-LINE CONSTRUCTION

Clear

License #1123563 · SYLMAR

Active

EAGLE IRON WORKS

Clear

License #822419 · MARTINEZ

Active

EAGLE WELDING SERVICES INC

Clear

License #956935 · SACRAMENTO

Active

EBENEZER STEEL

Clear

License #886063 · PHELAN

Active

ECKLES CONSTRUCTION INC

Clear

License #312536 · COSTA MESA

Active

ECM STEEL INC

Clear

License #1033186 · HAYWARD

Active

ECOPOWER SOLAR

Clear

License #1029435 · MURRIETA

Active

EDDIE'S WELDING AND IRON WORKS

Clear

License #975618 · PALMDALE

Active

EDMONDSON CONSTRUCTION

Clear

License #301969 · ROCKLIN

Active

EDUB & SONS STRUCTURAL STEEL INC

Clear

License #930568 · ARROYO GRANDE

Active

EG IRON WORK

Clear

License #1109343 · RESEDA

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 1,642 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.