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NAICS 237990 · Other Heavy and Civil Engineering Construction

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General engineering contractors in Sonoma, CA

21 general engineering contractors in Sonoma, CA; 864 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Osmun Construction, Inc.

    ActiveCorporation registered in SAM.gov

    Novato, CA · 13 mi away

    Proof for Osmun Construction, Inc.
    SAM.gov registration
    US-GSA-SAM G2YWZULLQQK4
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Dec 4, 2026
    Checked
    Oct 23, 2026
    Where
    Novato, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  2. Pedrazzini Construction

    ActiveA General Engineering+1

    Santa Rosa, CA · WC exempt · 14 mi away

    Proof for Pedrazzini Construction
    License
    CSLB 740891
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building
    Expires
    Dec 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Santa Rosa, CA · serves California
    Phone
    (707) 889-7805
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  3. Peter Ellis Construction

    ActiveA General Engineering+3

    American Canyon, CA · WC ✓ · 15 mi away

    Proof for Peter Ellis Construction
    License
    CSLB 476364
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C10 Electrical; C39 Roofing
    Expires
    Oct 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    American Canyon, CA · serves California
    Phone
    (510) 375-8584
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  4. Petroni Engineering

    ActiveA General Engineering

    Penngrove, CA · WC exempt · 10 mi away

    Proof for Petroni Engineering
    License
    CSLB 1142998
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Sep 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Penngrove, CA · serves California
    Phone
    (707) 239-0066
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  5. Piazza Construction

    ActiveA General Engineering

    Penngrove, CA · WC ✓ · 10 mi away

    Proof for Piazza Construction
    License
    CSLB 406456
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Jun 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Penngrove, CA · serves California
    Phone
    (707) 876-3410
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  6. Plumbing Pros

    ActiveA General Engineering+1

    Novato, CA · WC exempt · 15 mi away

    Proof for Plumbing Pros
    License
    CSLB 921603
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C36 Plumbing
    Expires
    Sep 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Novato, CA · serves California
    Phone
    (415) 987-7767
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  7. Powers Engineering and Inspection Incorporated

    ActiveA General Engineering

    American Canyon, CA · WC ✓ · 15 mi away

    Proof for Powers Engineering and Inspection Incorporated
    License
    CSLB 1147324
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Dec 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    American Canyon, CA · serves California
    Phone
    (707) 345-5058
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  8. Robison Construction

    ActiveA General Engineering

    Penngrove, CA · WC ✓ · 10 mi away

    Proof for Robison Construction
    License
    CSLB 701379
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Jan 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Penngrove, CA · serves California
    Phone
    (707) 769-4747
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  9. Roots Strong Builder

    ActiveA General Engineering+3

    Napa, CA · WC ✓ · 15 mi away

    Proof for Roots Strong Builder
    License
    CSLB 1154113
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C5 Framing and Rough Carpentry; C8 Concrete
    Expires
    Apr 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Napa, CA · serves California
    Phone
    (415) 748-7538
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  10. Sandbank Construction Inc

    ActiveA General Engineering+1

    Novato, CA · WC ✓ · 13 mi away

    Proof for Sandbank Construction Inc
    License
    CSLB 893993
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building
    Expires
    Jun 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Novato, CA · serves California
    Phone
    (415) 595-8611
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  11. Scc Electric Inc

    ActiveA General Engineering+3

    Novato, CA · WC ✓ · 13 mi away

    Proof for Scc Electric Inc
    License
    CSLB 1109026
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C7 Low Voltage Systems; C10 Electrical
    Expires
    Aug 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Novato, CA · serves California
    Phone
    (415) 599-6545
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  12. Schotka Construction Inc

    ActiveA General Engineering+1

    Rohnert Park, CA · WC ✓ · 13 mi away

    Proof for Schotka Construction Inc
    License
    CSLB 723309
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; HAZ Hazardous Substance Removal
    Expires
    Aug 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Rohnert Park, CA · serves California
    Phone
    (707) 265-6977
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  13. Small Jobs Plumbing Inc

    ActiveA General Engineering+1

    Rohnert Park, CA · WC ✓ · 13 mi away

    Proof for Small Jobs Plumbing Inc
    License
    CSLB 1002428
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C36 Plumbing
    Expires
    Mar 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Rohnert Park, CA · serves California
    Phone
    (707) 766-0887
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  14. Soiland Co Inc

    ActiveA General Engineering

    Cotati, CA · WC ✓ · 14 mi away

    Proof for Soiland Co Inc
    License
    CSLB 212731
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Aug 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Cotati, CA · serves California
    Phone
    (707) 795-1775
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  15. Sonoma County Construction Inc

    ActiveA General Engineering+10

    Rohnert Park, CA · WC ✓ · 13 mi away

    Proof for Sonoma County Construction Inc
    License
    CSLB 1025965
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; ASB Asbestos Certification; B General Building; C10 Electrical; C13 Fencing; C21 Building Moving/Demolition; C33 Painting and Decorating; C35 Lathing and Plastering; C36 Plumbing; C39 Roofing; HAZ Hazardous Substance Removal
    Expires
    Apr 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Rohnert Park, CA · serves California
    Phone
    (707) 888-8063
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  16. Summit General Engineering

    ActiveA General Engineering

    Penngrove, CA · WC exempt · 10 mi away

    Proof for Summit General Engineering
    License
    CSLB 1138510
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Jun 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Penngrove, CA · serves California
    Phone
    (707) 495-4859
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  17. Sunshine Construction

    ActiveA General Engineering

    Santa Rosa, CA · WC ✓ · 14 mi away

    Proof for Sunshine Construction
    License
    CSLB 614487
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Jul 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Santa Rosa, CA · serves California
    Phone
    (707) 539-7094
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  18. Thompson Builders Corporation

    ActiveA General Engineering+2

    Novato, CA · WC ✓ · 13 mi away

    Proof for Thompson Builders Corporation
    License
    CSLB 626859
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C17 Glazing
    Expires
    Aug 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Novato, CA · serves California
    Phone
    (415) 456-8972
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  19. Thompson/Core JV

    ActiveA General Engineering+1

    Novato, CA · WC exempt · 13 mi away

    Proof for Thompson/Core JV
    License
    CSLB 1154048
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building
    Expires
    Apr 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Novato, CA · serves California
    Phone
    (415) 456-8972
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  20. Thompson Excavating & General Engineering

    ActiveA General Engineering

    Santa Rosa, CA · WC ✓ · 14 mi away

    Proof for Thompson Excavating & General Engineering
    License
    CSLB 997760
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Oct 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Santa Rosa, CA · serves California
    Phone
    (707) 292-5141
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

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