NAICS 237990 · Other Heavy and Civil Engineering Construction

General engineering contractors in Klamath, CA

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239 listingsHow results are ordered
61

Hyman Construction

Mc Kinleyville, CA · (707) 839-2962

CA-CSLB 677447 · A B +1General engineering contractorGeneral contractorConcrete contractor
License activechecked Oct 24, 2026
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63

Kb Excavation LLC

Eureka, CA · (707) 616-9611

CA-CSLB 1122586 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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64

Kurwitz George J

Eureka, CA · (707) 499-4707

CA-CSLB 423787 · A B +1General engineering contractorGeneral contractorExcavation, grading and paving
License activechecked Oct 24, 2026
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66

Mapleservice Incorporated

Eureka, CA · (707) 445-9671

CA-CSLB 767710 · A C4 +2General engineering contractorPlumberHeating and air conditioning
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67

Mc Kenny K H Inc

Eureka, CA · (707) 444-9659

CA-CSLB 774830 · A BGeneral engineering contractorGeneral contractor
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74

O & M Industries

Arcata, CA · (707) 822-8800

CA-CSLB 284930 · A B +7General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
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77

Sundberg G R Inc

Arcata, CA · (707) 825-6565

CA-CSLB 732695 · A ASB +4General engineering contractorAsbestos and hazardous materials abatementExcavation, grading and paving
License activechecked Oct 24, 2026
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80

Wahlund Construction Inc

Eureka, CA · (707) 268-0150

CA-CSLB 678993 · A ASB +4General engineering contractorAsbestos and hazardous materials abatementGeneral contractor+1
License activechecked Oct 24, 2026
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