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NAICS 237990 · Other Heavy and Civil Engineering Construction

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General engineering contractors in Middletown, CA

6 general engineering contractors in Middletown, CA; 362 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. All Access Bobcat

    ActiveA General Engineering

    Cotati, CA · WC ✓ · 30 mi away

    Proof for All Access Bobcat
    License
    CSLB 768985
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Sep 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Cotati, CA · serves California
    Phone
    (707) 792-7765
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  2. All Bay Sewer Inc

    ActiveC34 Pipeline+1

    Santa Rosa, CA · WC ✓ · 26 mi away

    Proof for All Bay Sewer Inc
    License
    CSLB 1076969
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C34 Pipeline; C36 Plumbing
    Expires
    Feb 29, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Santa Rosa, CA · serves California
    Phone
    (415) 702-8626
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  3. Analy Septic

    ActiveA General Engineering

    Sebastopol, CA · WC exempt · 27 mi away

    Proof for Analy Septic
    License
    CSLB 416663
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Aug 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Sebastopol, CA · serves California
    Phone
    (707) 823-7340
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  4. Aquatic Resource Management

    ActiveA General Engineering

    Sebastopol, CA · WC ✓ · 28 mi away

    Proof for Aquatic Resource Management
    License
    CSLB 1082443
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Oct 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Sebastopol, CA · serves California
    Phone
    (707) 230-2075
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  5. Argonaut Constructors Inc

    ActiveA General Engineering+3

    Santa Rosa, CA · WC ✓ · 26 mi away

    Proof for Argonaut Constructors Inc
    License
    CSLB 171432
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C32 Parking and Highway Improvement; HAZ Hazardous Substance Removal
    Expires
    Dec 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Santa Rosa, CA · serves California
    Phone
    (707) 542-4862
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  6. Argonaut Constructors, Inc.

    ActiveCorporation registered in SAM.gov

    Santa Rosa, CA · 26 mi away

    Proof for Argonaut Constructors, Inc.
    SAM.gov registration
    US-GSA-SAM DNA2NMRA8KU3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Sep 16, 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
  7. B and D Excavation and Construction

    ActiveA General Engineering+1

    Santa Rosa, CA · WC ✓ · 26 mi away

    Proof for B and D Excavation and Construction
    License
    CSLB 998942
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building
    Expires
    Mar 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Santa Rosa, CA · serves California
    Phone
    (415) 745-6246
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  8. Bear State Construction

    ActiveA General Engineering+2

    Sebastopol, CA · WC exempt · 27 mi away

    Proof for Bear State Construction
    License
    CSLB 795997
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; HAZ Hazardous Substance Removal
    Expires
    Jun 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Sebastopol, CA · serves California
    Phone
    (707) 332-9091
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  9. Beeler Inc

    ActiveA General Engineering+1

    Santa Rosa, CA · WC ✓ · 26 mi away

    Proof for Beeler Inc
    License
    CSLB 703920
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; HAZ Hazardous Substance Removal
    Expires
    Mar 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Santa Rosa, CA · serves California
    Phone
    (707) 888-8881
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  10. Big Apple Construction Group Inc

    ActiveA General Engineering+1

    Sebastopol, CA · WC exempt · 28 mi away

    Proof for Big Apple Construction Group Inc
    License
    CSLB 968163
    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
    Sebastopol, CA · serves California
    Phone
    (415) 578-8227
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  11. Biogas Energy Inc

    ActiveA General Engineering

    Sebastopol, CA · WC exempt · 28 mi away

    Proof for Biogas Energy Inc
    License
    CSLB 957115
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Jan 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Sebastopol, CA · serves California
    Phone
    (707) 888-4316
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  12. Brown Mike Electric Co

    ActiveA General Engineering+1

    Cotati, CA · WC ✓ · 30 mi away

    Proof for Brown Mike Electric Co
    License
    CSLB 306767
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C10 Electrical
    Expires
    Apr 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Cotati, CA · serves California
    Phone
    (707) 792-8100
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  13. C&S Civil LLC

    ActiveA General Engineering

    Lakeport, CA · WC ✓ · 27 mi away

    Proof for C&S Civil LLC
    License
    CSLB 1079551
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Feb 29, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Lakeport, CA · serves California
    Phone
    (707) 489-9599
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  14. Calixto General Engineering

    ActiveA General Engineering

    Yountville, CA · WC ✓ · 28 mi away

    Proof for Calixto General Engineering
    License
    CSLB 1122828
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Jun 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Yountville, CA · serves California
    Phone
    (707) 235-3036
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  15. Calstroy

    ActiveA General Engineering+3

    Guerneville, CA · WC exempt · 26 mi away

    Proof for Calstroy
    License
    CSLB 933697
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C10 Electrical; C36 Plumbing
    Expires
    Jun 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Guerneville, CA · serves California
    Phone
    (415) 250-3215
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  16. Chenoweth Heavy Equipment

    ActiveA General Engineering

    Graton, CA · WC exempt · 26 mi away

    Proof for Chenoweth Heavy Equipment
    License
    CSLB 903040
    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
    Graton, CA · serves California
    Phone
    (707) 829-3367
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  17. Cimino S J Electric Inc

    ActiveA General Engineering+2

    Santa Rosa, CA · WC ✓ · 26 mi away

    Proof for Cimino S J Electric Inc
    License
    CSLB 343802
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C10 Electrical
    Expires
    Feb 29, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Santa Rosa, CA · serves California
    Phone
    (707) 542-6231
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  18. Clifton Security Systems

    ActiveA General Engineering+2

    Lakeport, CA · WC exempt · 27 mi away

    Proof for Clifton Security Systems
    License
    CSLB 793715
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C10 Electrical; HAZ Hazardous Substance Removal
    Expires
    Apr 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Lakeport, CA · serves California
    Phone
    (707) 328-6171
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  19. Cogliandro Construction North Inc

    ActiveA General Engineering

    Camp Meeker, CA · WC exempt · 29 mi away

    Proof for Cogliandro Construction North Inc
    License
    CSLB 1059662
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Oct 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Camp Meeker, CA · serves California
    Phone
    (707) 874-6165
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  20. Collins Lucas Russell

    ActiveA General Engineering

    Rohnert Park, CA · WC exempt · 28 mi away

    Proof for Collins Lucas Russell
    License
    CSLB 1072899
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Jan 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Rohnert Park, CA · serves California
    Phone
    (707) 794-9447
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

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