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
02

Epidendio Construction Inc

Lower Lake, CA · (707) 994-5100

CA-CSLB 637395 · A B +3General engineering contractorGeneral contractorConcrete contractor+2
License activechecked Oct 24, 2026
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05

H D Excavating

Lower Lake, CA · (707) 350-3815

CA-CSLB 985724 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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07

J D M Earth Works

Kelseyville, CA · (707) 245-1669

CA-CSLB 1026461 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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09

Larsen Kit R

Kelseyville, CA · (707) 694-8071

CA-CSLB 322929 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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12

Morris Phillip L

Pope Valley, CA · (707) 799-5459

CA-CSLB 330619 · A C51General engineering contractorSteel and welding contractor
License activechecked Oct 24, 2026
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14

R O Construction

Lower Lake, CA · (707) 355-3377

CA-CSLB 780565 · A B +1General engineering contractorGeneral contractorConcrete contractor
License activechecked Oct 24, 2026
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15

R y Construction

Lower Lake, CA · (707) 909-1514

CA-CSLB 567251 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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18

T K C Engineering

Kelseyville, CA · (707) 277-7657

CA-CSLB 549656 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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19

Tsr Excavating

Lower Lake, CA · (707) 495-8885

CA-CSLB 1106132 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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20

Watson Dennis E

Angwin, CA · (707) 965-1100

CA-CSLB 490517 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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