NAICS 237990 · Other Heavy and Civil Engineering Construction

General engineering contractors in Alta Loma, CA

19 licensed general engineering contractors · every license checked against the issuer's file

More cities in California

Bakersfield 337San Francisco 307San Diego 273Sacramento 244Los Angeles 235Riverside 191San Jose 188Fresno 184Irvine 140Santa Rosa 134Corona 122Redding 119El Cajon 117Anaheim 116Oakland 111Temecula 110
Listings 1–20How results are ordered
01

Rjh Management

Claremont, CA · (951) 332-1680

CA-CSLB 1038083 · A C8General engineering contractorConcrete contractor
License activechecked Oct 24, 2026
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08

Sauter Dale

Fontana, CA · (909) 376-4257

CA-CSLB 1056959 · A C51General engineering contractorSteel and welding contractor
License activechecked Oct 24, 2026
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09

Segu Incorporated

Fontana, CA · (909) 276-5582

CA-CSLB 992622 · C31General engineering contractor
License activechecked Oct 24, 2026
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11

Slater Blake

Fontana, CA · (909) 822-6800

CA-CSLB 994743 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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12

Slater Inc

Fontana, CA · (909) 822-6800

CA-CSLB 466576 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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13

Slater Philip S

Fontana, CA · (909) 822-6800

CA-CSLB 428984 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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14

Slater Waterproofing Inc

Montclair, CA · (909) 985-9100

CA-CSLB 373368 · A B +3General engineering contractorGeneral contractorPainter+2
License activechecked Oct 24, 2026
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16

Spec Construction Co Inc

Ontario, CA · (909) 947-4601

CA-CSLB 419626 · A B +11General engineering contractorGeneral contractorPlumber+2
License activechecked Oct 24, 2026
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18

Stc Netcom Inc

Fontana, CA · (951) 685-8181

CA-CSLB 658768 · A B +1General engineering contractorGeneral contractorElectrician
License activechecked Oct 24, 2026
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