DouxProcess Directory

Ask for any business in the US.

NAICS 237990 · Other Heavy and Civil Engineering Construction

you asked:

General engineering contractors in Petaluma, CA

71 general engineering contractors in Petaluma, CA; 767 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Schaefer Engineering Inc

    ActiveA General Engineering

    Santa Rosa, CA · WC ✓ · 12 mi away

    Proof for Schaefer Engineering Inc
    License
    CSLB 969434
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Jan 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Santa Rosa, CA · serves California
    Phone
    (707) 849-1975
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  2. Skyview Tree Experts Inc

    ActiveA General Engineering+4

    Santa Rosa, CA · WC ✓ · 12 mi away

    Proof for Skyview Tree Experts Inc
    License
    CSLB 1097304
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C27 Landscaping; C31 Construction Zone Traffic Control; C49 Tree and Palm; D49 Tree Service
    Expires
    Oct 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Santa Rosa, CA · serves California
    Phone
    (707) 890-1215
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  3. Soiland Grading LLC

    ActiveA General Engineering

    Santa Rosa, CA · WC ✓ · 15 mi away

    Proof for Soiland Grading LLC
    License
    CSLB 1062456
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Apr 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Santa Rosa, CA · serves California
    Phone
    (707) 799-1175
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  4. Solis Construction Company Inc

    ActiveA General Engineering+2

    Glen Ellen, CA · WC exempt · 11 mi away

    Proof for Solis Construction Company Inc
    License
    CSLB 859651
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C33 Painting and Decorating
    Expires
    Feb 29, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Glen Ellen, CA · serves California
    Phone
    (707) 333-9413
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  5. Stillpoint Inc

    ActiveA General Engineering+1

    Santa Rosa, CA · WC exempt · 15 mi away

    Proof for Stillpoint Inc
    License
    CSLB 648027
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building
    Expires
    Jan 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Santa Rosa, CA · serves California
    Phone
    (707) 526-1300
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  6. Trails Engineering

    ActiveA General Engineering

    Santa Rosa, CA · WC ✓ · 15 mi away

    Proof for Trails Engineering
    License
    CSLB 1068961
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Sep 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Santa Rosa, CA · serves California
    Phone
    (707) 538-9389
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  7. Trugrade Construction

    ActiveA General Engineering

    Santa Rosa, CA · WC ✓ · 14 mi away

    Proof for Trugrade Construction
    License
    CSLB 1048010
    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
    Santa Rosa, CA · serves California
    Phone
    (707) 843-3426
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  8. Vine and Vista Group LLC

    ActiveA General Engineering

    Kenwood, CA · WC exempt · 14 mi away

    Proof for Vine and Vista Group LLC
    License
    CSLB 1153716
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Apr 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Kenwood, CA · serves California
    Phone
    (208) 755-5592
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  9. Walters K G Construction Co Inc

    ActiveA General Engineering+1

    Santa Rosa, CA · WC ✓ · 15 mi away

    Proof for Walters K G Construction Co Inc
    License
    CSLB 301314
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building
    Expires
    Jun 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Santa Rosa, CA · serves California
    Phone
    (707) 527-9968
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  10. Whitfield Construction

    ActiveA General Engineering+1

    Santa Rosa, CA · WC ✓ · 14 mi away

    Proof for Whitfield Construction
    License
    CSLB 432633
    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
    Workers' comp on file
    Where
    Santa Rosa, CA · serves California
    Phone
    (707) 888-4367
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  11. Winters Construction Company

    ActiveA General Engineering+1

    Santa Rosa, CA · WC exempt · 15 mi away

    Proof for Winters Construction Company
    License
    CSLB 600519
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building
    Expires
    Aug 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Santa Rosa, CA · serves California
    Phone
    (707) 483-5599
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  12. Wolff Contracting Inc

    ActiveA General Engineering+3

    Santa Rosa, CA · WC ✓ · 12 mi away

    Proof for Wolff Contracting Inc
    License
    CSLB 953433
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C21 Building Moving/Demolition; C36 Plumbing
    Expires
    Oct 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Santa Rosa, CA · serves California
    Phone
    (707) 799-4910
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  13. Wright Contracting Inc

    ActiveA General Engineering+2

    Santa Rosa, CA · WC ✓ · 15 mi away

    Proof for Wright Contracting Inc
    License
    CSLB 417421
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; ASB Asbestos Certification; B General Building
    Expires
    Jan 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Santa Rosa, CA · serves California
    Phone
    (707) 528-1172
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  14. Ghilotti Construction CO Inc

    ActiveCorporation registered in SAM.gov

    Santa Rosa, CA · 12 mi away

    Proof for Ghilotti Construction CO Inc
    SAM.gov registration
    US-GSA-SAM CG9LLGDTW3E4
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Dec 3, 2026
    Checked
    Oct 23, 2026
    Where
    Santa Rosa, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  15. 707 Electric

    ActiveA General Engineering+2

    Santa Rosa, CA · WC ✓ · 19 mi away

    Proof for 707 Electric
    License
    CSLB 1118695
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C10 Electrical; C20 Warm-Air Heating, Ventilating and Air-Conditioning
    Expires
    Mar 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Santa Rosa, CA · serves California
    Phone
    (707) 292-2262
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  16. Able Maintenance Inc

    ActiveA General Engineering+3

    Santa Rosa, CA · WC ✓ · 19 mi away

    Proof for Able Maintenance Inc
    License
    CSLB 312844
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C10 Electrical; HAZ Hazardous Substance Removal
    Expires
    Apr 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Santa Rosa, CA · serves California
    Phone
    (707) 545-5522
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  17. Advanced Stormwater Protection Inc

    ActiveA General Engineering

    Santa Rosa, CA · WC ✓ · 19 mi away

    Proof for Advanced Stormwater Protection Inc
    License
    CSLB 1042181
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Jul 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Santa Rosa, CA · serves California
    Phone
    (707) 953-8903
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  18. Ajm General

    ActiveCorporation registered in SAM.gov

    Santa Rosa, CA · 19 mi away

    Proof for Ajm General
    SAM.gov registration
    US-GSA-SAM STRCDB55CBA5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 30, 2027
    Checked
    Oct 23, 2026
    Where
    Santa Rosa, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  19. Ajm General Construction

    ActiveA General Engineering+7

    Santa Rosa, CA · WC ✓ · 19 mi away

    Proof for Ajm General Construction
    License
    CSLB 1035253
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C7 Low Voltage Systems; C10 Electrical; C34 Pipeline; C51 Structural Steel; C60 Welding; HAZ Hazardous Substance Removal
    Expires
    Nov 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Santa Rosa, CA · serves California
    Phone
    (707) 324-7992
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  20. Alan Hynes Construction LLC

    ActiveA General Engineering+2

    San Rafael, CA · WC ✓ · 19 mi away

    Proof for Alan Hynes Construction LLC
    License
    CSLB 727634
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C8 Concrete
    Expires
    Dec 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Rafael, CA · serves California
    Phone
    (415) 256-1228
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

More cities in California

Free for people · nobody pays to rank. Run one of these businesses? Claim it free.

Checked facts from public license files · How ranking works