NAICS 237990 · Other Heavy and Civil Engineering Construction

General engineering contractors in Montclair, CA

12 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

Latco - Latta Larry R

Chino, CA · (530) 575-5997

CA-CSLB 634104 · B C34 +2General contractorGeneral engineering contractorPlumber+1
License activechecked Oct 24, 2026
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03

Lewis Management Corp

Upland, CA · (909) 985-0971

CA-CSLB 1016486 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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04

Lewis Operating Corp

Upland, CA · (909) 985-0971

CA-CSLB 790940 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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05

Lifestyle Landscapes Inc

Upland, CA · (909) 476-5900

CA-CSLB 758573 · A B +4General engineering contractorGeneral contractorConcrete contractor+2
License activechecked Oct 24, 2026
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06

M C Contracting

Chino, CA · (909) 464-9400

CA-CSLB 813166 · A B +1General engineering contractorGeneral contractorElectrician
License activechecked Oct 24, 2026
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08

M J Pacific Inc

Ontario, CA · (909) 628-1999

CA-CSLB 1051869 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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09

M K P Construction Co

Upland, CA · (909) 427-9600

CA-CSLB 535134 · C12 C34 +1Excavation, grading and pavingGeneral engineering contractor
License activechecked Oct 24, 2026
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11

Madole L B

Chino, CA · (909) 597-2884

CA-CSLB 426965 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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14

Mgp Construction

Upland, CA · (909) 982-2364

CA-CSLB 510978 · A B +3General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
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15

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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16

Mjk Construction Inc

Chino, CA · (800) 698-1645

CA-CSLB 586870 · A B +3General engineering contractorGeneral contractorConcrete contractor+2
License activechecked Oct 24, 2026
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