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

Duke Plumbing Inc

Upland, CA · (909) 981-8200

CA-CSLB 430513 · A C36General engineering contractorPlumber
License activechecked Oct 24, 2026
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04

Elecnor Hawkeye LLC

Chino, CA · (909) 993-5470

CA-CSLB 1061662 · A B +1General engineering contractorGeneral contractorElectrician
License activechecked Oct 24, 2026
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05

Elecnor Inc

Chino, CA · (909) 993-5470

CA-CSLB 957710 · A B +1General engineering contractorGeneral contractorElectrician
License activechecked Oct 24, 2026
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07

Exterior Construction Inc

Chino, CA · (626) 523-7530

CA-CSLB 981289 · A C8 +1General engineering contractorConcrete contractorLandscaper
License activechecked Oct 24, 2026
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11

Fryman Management Inc

Chino, CA · (949) 481-5211

CA-CSLB 1007017 · C31 D42General engineering contractorSign contractor
License activechecked Oct 24, 2026
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12

Fuel Pros Inc

Chino, CA · (909) 614-1379

CA-CSLB 269354 · A B +2General engineering contractorGeneral contractorPlumber+1
License activechecked Oct 24, 2026
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13

Fuelex

Upland, CA

US-GSA-SAM C5XAPBZRPBL3General engineering contractor
License activechecked Oct 23, 2026
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14

Garcon Construction Inc

Ontario, CA · (909) 591-8601

CA-CSLB 913550 · A C8General engineering contractorConcrete contractor
License activechecked Oct 24, 2026
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16

Gdm Inc, Na

Chino, CA

US-GSA-SAM GE4JGKRNR945General engineering contractor
License activechecked Oct 23, 2026
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19

Gott W D Construction Co

Upland, CA · (909) 982-8951

CA-CSLB 279688 · A B +1General engineering contractorGeneral contractorConcrete contractor
License activechecked Oct 24, 2026
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20

Gregg Electric Inc

Ontario, CA · (909) 983-1794

CA-CSLB 201042 · A C10 +1General engineering contractorElectrician
License activechecked Oct 24, 2026
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