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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362 listingsHow results are ordered
42

Rl Builders Inc

Santa Rosa, CA · (707) 762-2701

CA-CSLB 884587 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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43

Sh Siteworks

Santa Rosa, CA · (707) 326-8067

CA-CSLB 1119692 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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46

Stillpoint Inc

Santa Rosa, CA · (707) 526-1300

CA-CSLB 648027 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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47

Terracon Constructors Inc

Geyserville, CA · (707) 433-0323

CA-CSLB 562511 · A B +1General engineering contractorGeneral contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
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48

Terracon Equip Inc

Geyserville, CA · (707) 433-0323

CA-CSLB 816199 · A B +1General engineering contractorGeneral contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
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49

Tim Mulder

Clearlake Oaks, CA · (707) 350-2009

CA-CSLB 993236 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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50

Trails Engineering

Santa Rosa, CA · (707) 538-9389

CA-CSLB 1068961 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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54

Whitfield Construction

Santa Rosa, CA · (707) 888-4367

CA-CSLB 432633 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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56

Wright Contracting Inc

Santa Rosa, CA · (707) 528-1172

CA-CSLB 417421 · A ASB +1General engineering contractorAsbestos and hazardous materials abatementGeneral contractor
License activechecked Oct 24, 2026
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60

Adobe Construction Company

Penngrove, CA · (707) 364-3651

CA-CSLB 1104098 · A C12General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
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