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 41–60How results are ordered
43

Gentry Wayne J Jr

Irwindale, CA · (626) 357-9631

CA-CSLB 808335 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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44

Georockers Inc

Monrovia, CA · (310) 876-4128

CA-CSLB 1159198 · A B +1General engineering contractorGeneral contractorWell drilling contractor
License activechecked Oct 24, 2026
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45

Gh Group Engineering

Hacienda Heights, CA · (714) 878-3287

CA-CSLB 1149464 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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46

Golden Coast Construction

LA Habra, CA · (562) 201-6137

CA-CSLB 1074709 · A B +1General engineering contractorGeneral contractorFence contractor
License activechecked Oct 24, 2026
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49

Gradymac Construction

LA Habra, CA · (562) 522-5527

CA-CSLB 748081 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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50

Grbcon Inc

Baldwin Park, CA · (626) 699-2380

CA-CSLB 1012408 · A C42General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
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51

Grbcon Inc

Baldwin Park, CA

US-GSA-SAM XCLZWCNUH515General engineering contractor
License activechecked Oct 23, 2026
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52

Green Giant Landscape Inc

LA Habra, CA · (562) 690-6208

CA-CSLB 670478 · A C13 +1General engineering contractorFence contractorLandscaper
License activechecked Oct 24, 2026
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55

Griffith-Atkinson JV

Brea, CA · (714) 984-5500

CA-CSLB 1067118 · A B +5General engineering contractorGeneral contractorConcrete contractor+2
License activechecked Oct 24, 2026
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56

Griffith Company

Brea, CA · (714) 984-5500

CA-CSLB 88 · A B +7General engineering contractorGeneral contractorConcrete contractor+2
License activechecked Oct 24, 2026
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57

Griffith Company

Brea, CA

US-GSA-SAM UBEHN6GHK7T1General engineering contractor
License activechecked Oct 23, 2026
Details