NAICS 237990 · Other Heavy and Civil Engineering Construction

General engineering contractors in Walnut, CA

25 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

Royaltech Services

LA Puente, CA · (626) 333-0333

CA-CSLB 638729 · A B +6General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
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02

Sark Inc

Covina, CA · (626) 332-0680

CA-CSLB 1007232 · A B +1General engineering contractorGeneral contractorSteel and welding contractor
License activechecked Oct 24, 2026
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04

Sierra Contractors Inc

Pomona, CA · (909) 461-3593

CA-CSLB 1015602 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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06

Stuart Contracting

LA Puente, CA · (626) 665-8465

CA-CSLB 428531 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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08

Sukan Inc

Rowland Heights, CA · (626) 854-9467

CA-CSLB 738373 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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09

Tetra Tech Bas Inc

Diamond Bar, CA · (909) 860-7777

CA-CSLB 572017 · A C57 +1General engineering contractorWell drilling contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
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11

Y a K a R

Covina, CA · (909) 599-1612

CA-CSLB 909978 · A B +1General engineering contractorGeneral contractorElectrician
License activechecked Oct 24, 2026
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12

Yu Ken

West Covina, CA · (626) 831-7568

CA-CSLB 724389 · A B +1General engineering contractorGeneral contractorElectrician
License activechecked Oct 24, 2026
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13

Yakar

Covina, CA

US-GSA-SAM MULVXJU2GTC5General engineering contractor
License activechecked Oct 23, 2026
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14

A B P Global Inc

Hacienda Heights, CA · (626) 922-2356

CA-CSLB 962586 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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15

A J M Engineering

Brea, CA · (626) 926-0995

CA-CSLB 983482 · A HAZGeneral engineering contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
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17

Ace Cd Inc

Glendora, CA · (626) 852-0257

CA-CSLB 847907 · A B +2General engineering contractorGeneral contractorLandscaper+1
License activechecked Oct 24, 2026
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18

Ace Fence Company

City of Industry, CA · (626) 333-0727

CA-CSLB 996577 · A B +3General engineering contractorGeneral contractorFence contractor+1
License activechecked Oct 24, 2026
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19

Acer Fire Protection Inc

Montclair, CA · (626) 224-7800

CA-CSLB 1047478 · A B +1General engineering contractorGeneral contractorFire sprinkler contractor
License activechecked Oct 24, 2026
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20

Ae Technic Inc

Glendora, CA · (213) 300-6051

CA-CSLB 906078 · A B +3General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
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