NAICS 238120 · Structural Steel and Precast Concrete Contractors

Steel and welding contractors in Rancho Cucamonga, CA

19 licensed steel and welding contractors · every license checked against the issuer's file

More cities in California

Bakersfield 109Los Angeles 77San Diego 70Sacramento 66Fresno 64Riverside 59San Francisco 59San Jose 56Anaheim 52Santa Ana 47Corona 35Ontario 34Stockton 33Fontana 32San Bernardino 32Escondido 30
645 listingsHow results are ordered
01

Alloy Welding

Rancho Cucamonga, CA · (562) 332-0708

CA-CSLB 871635 · C60Steel and welding contractor
License activechecked Oct 19, 2026
CallDetails
02

B a S Engineering Inc

Rancho Cucamonga, CA · (909) 484-2575

CA-CSLB 884768 · C13 C51Fence contractorSteel and welding contractor
License activechecked Oct 19, 2026
CallDetails
05

Inland Steel Inc

Rancho Cucamonga, CA · (909) 261-1235

CA-CSLB 1112693 · C51Steel and welding contractor
License activechecked Oct 19, 2026
CallDetails
06

Irontek Inc

Rancho Cucamonga, CA · (626) 435-7237

CA-CSLB 1021573 · B C23General contractorSteel and welding contractor
License activechecked Oct 19, 2026
CallDetails
07

J & K Welding

Rancho Cucamonga, CA · (909) 226-1371

CA-CSLB 419502 · A C60General engineering contractorSteel and welding contractor
License activechecked Oct 19, 2026
CallDetails
08

J&K Welding Co Inc

Rancho Cucamonga, CA · (909) 560-3223

CA-CSLB 1108110 · A C60General engineering contractorSteel and welding contractor
License activechecked Oct 19, 2026
CallDetails
10

M C S Iron Works LLC

Rancho Cucamonga, CA · (626) 234-4410

CA-CSLB 1081328 · C23Steel and welding contractor
License activechecked Oct 19, 2026
CallDetails
12

Montgomery Hardware Co

Rancho Cucamonga, CA · (909) 204-4000

CA-CSLB 285746 · B C28 +3General contractorLocksmithSteel and welding contractor+1
License activechecked Oct 19, 2026
CallDetails
14

Onyxx Steel Corp

Rancho Cucamonga, CA · (909) 684-4739

CA-CSLB 1078220 · C51Steel and welding contractor
License activechecked Oct 19, 2026
CallDetails
16

S S & Steel Inc

Rancho Cucamonga, CA · (909) 731-7092

CA-CSLB 981160 · C43 C51Heating and air conditioningSteel and welding contractor
License activechecked Oct 19, 2026
CallDetails
17

So Cal Rebar

Rancho Cucamonga, CA · (909) 552-6151

CA-CSLB 1078422 · C50Steel and welding contractor
License activechecked Oct 19, 2026
CallDetails
18

Verda Steel Corp

Rancho Cucamonga, CA · (714) 425-2531

CA-CSLB 439318 · C51Steel and welding contractor
License activechecked Oct 19, 2026
CallDetails
19

West Coast Operations Co

Rancho Cucamonga, CA · (909) 262-7775

CA-CSLB 965555 · D03 D06 +4Specialty contractorConcrete contractorSteel and welding contractor+1
License activechecked Oct 19, 2026
CallDetails
20

Clearwater Pool Care

Menifee, CA · (909) 239-8276

CA-CSLB 902122 · D24 D35Steel and welding contractorSwimming pool contractor
License activechecked Oct 19, 2026
CallDetails