NAICS 238120 · Structural Steel and Precast Concrete Contractors

Steel and welding contractors in Upland, CA

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

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745 listingsHow results are ordered
03

Cote Building & Repair

Upland, CA · (909) 908-8204

CA-CSLB 1094199 · B C60General contractorSteel and welding contractor
License activechecked Oct 24, 2026
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04

Dylan James Sauter

Upland, CA · (909) 322-7171

CA-CSLB 1141907 · A C51General engineering contractorSteel and welding contractor
License activechecked Oct 24, 2026
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06

Millcon Services LLC

Upland, CA · (951) 275-2903

CA-CSLB 1099622 · A C60General engineering contractorSteel and welding contractor
License activechecked Oct 24, 2026
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08

Sarah Construction Inc

Upland, CA · (909) 519-4245

CA-CSLB 723512 · B C51General contractorSteel and welding contractor
License activechecked Oct 24, 2026
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10

Aragon Construction Inc

Montclair, CA · (909) 621-2200

CA-CSLB 799386 · B C2 +5General contractorDrywall, plaster and insulationGlass and window contractor+2
License activechecked Oct 24, 2026
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11

B a S Engineering Inc

Rancho Cucamonga, CA · (909) 484-2575

CA-CSLB 884768 · C13 C51Fence contractorSteel and welding contractor
License activechecked Oct 24, 2026
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12

Clearwater Pool Care

Menifee, CA · (909) 239-8276

CA-CSLB 902122 · D24 D35Steel and welding contractorSwimming pool contractor
License activechecked Oct 24, 2026
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13

Drf Rebar

Ontario, CA · (951) 206-0189

CA-CSLB 1146594 · C50Steel and welding contractor
License activechecked Oct 24, 2026
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15

Elite Erectors Inc

Alta Loma, CA · (909) 239-0276

CA-CSLB 737464 · C17 C51 +1Glass and window contractorSteel and welding contractor
License activechecked Oct 24, 2026
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16

Empire Racks

Montclair, CA · (909) 469-9663

CA-CSLB 1026768 · D24Steel and welding contractor
License activechecked Oct 24, 2026
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20

Herwehe Timothy F

Ontario, CA · (909) 984-7199

CA-CSLB 576432 · C50Steel and welding contractor
License activechecked Oct 24, 2026
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