NAICS 237990 · Other Heavy and Civil Engineering Construction

General engineering contractors in Middletown, CA

6 licensed general engineering contractors · every license checked against the issuer's file

More cities in California

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354 listingsHow results are ordered
01

C K Excavating and Demolition

Middletown, CA · (707) 291-5665

CA-CSLB 987525 · A ASB +2General engineering contractorAsbestos and hazardous materials abatementExcavation, grading and paving
License activechecked Oct 19, 2026
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07

Blakeley Construction Inc

Calistoga, CA · (707) 942-9286

CA-CSLB 539322 · A C12 +1General engineering contractorExcavation, grading and paving
License activechecked Oct 19, 2026
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15

Sfi Mechanical Inc

Calistoga, CA · (707) 710-8415

CA-CSLB 940703 · A C16 +1General engineering contractorFire sprinkler contractorPlumber
License activechecked Oct 19, 2026
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18

Chernoh Excavating Inc

Lower Lake, CA · (707) 995-1359

CA-CSLB 769342 · A C21General engineering contractorExcavation, grading and paving
License activechecked Oct 19, 2026
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19

Clifton Jim

Pope Valley, CA · (707) 363-4546

CA-CSLB 654683 · AGeneral engineering contractor
License activechecked Oct 19, 2026
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