DouxProcess Directory

Ask for any business in the US.

NAICS 237990 · Other Heavy and Civil Engineering Construction

you asked:

General engineering contractors in Rancho Cucamonga, CA

77 general engineering contractors in Rancho Cucamonga, CA. Every listing checked against the issuer's record, in the published order.

  1. Hhs Construction LLC

    ActiveA General Engineering+4

    Ontario, CA · WC ✓ · 7 mi away

    Proof for Hhs Construction LLC
    License
    CSLB 818906
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C7 Low Voltage Systems; C10 Electrical; C31 Construction Zone Traffic Control
    Expires
    Dec 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Ontario, CA · serves California
    Phone
    (303) 325-2697
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  2. High Speed Rooter and Plumbing Inc

    ActiveA General Engineering+4

    Ontario, CA · WC ✓ via leasing firm · 8 mi away

    Proof for High Speed Rooter and Plumbing Inc
    License
    CSLB 1017796
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C10 Electrical; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing; C42 Sanitation System
    Expires
    Aug 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Covered through an employee leasing firm
    Where
    Ontario, CA · serves California
    Phone
    (213) 949-4202
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  3. Horizon Grading Inc

    ActiveA General Engineering

    Mira Loma, CA · WC ✓ · 9 mi away

    Proof for Horizon Grading Inc
    License
    CSLB 1025396
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Apr 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Mira Loma, CA · serves California
    Phone
    (951) 681-1345
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  4. Industrial Waste Utilization LLC

    ActiveA General Engineering+1

    Montclair, CA · WC ✓ · 9 mi away

    Proof for Industrial Waste Utilization LLC
    License
    CSLB 1152705
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; HAZ Hazardous Substance Removal
    Expires
    Mar 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Montclair, CA · serves California
    Phone
    (909) 984-9984
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  5. Inland Design Build

    ActiveA General Engineering+1

    Ontario, CA · WC ✓ · 8 mi away

    Proof for Inland Design Build
    License
    CSLB 1005429
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building
    Expires
    Oct 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Ontario, CA · serves California
    Phone
    (909) 920-1144
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  6. Inland Grading Engineering

    ActiveA General Engineering+1

    Fontana, CA · WC exempt · 6 mi away

    Proof for Inland Grading Engineering
    License
    CSLB 1014465
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; HAZ Hazardous Substance Removal
    Expires
    May 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Fontana, CA · serves California
    Phone
    (909) 509-0177
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  7. Inland Highway Services Corp

    ActiveA General Engineering

    Upland, CA · WC ✓ · 5 mi away

    Proof for Inland Highway Services Corp
    License
    CSLB 1026434
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    May 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Upland, CA · serves California
    Phone
    (909) 743-2320
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  8. J C E Equipment Inc

    ActiveA General Engineering+1

    Upland, CA · WC ✓ · 5 mi away

    Proof for J C E Equipment Inc
    License
    CSLB 879069
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C12 Earthwork and Paving
    Expires
    Jul 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Upland, CA · serves California
    Phone
    (909) 921-6367
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  9. J E Plount and Company Inc

    ActiveA General Engineering+6

    Upland, CA · WC exempt · 6 mi away

    Proof for J E Plount and Company Inc
    License
    CSLB 415296
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C10 Electrical; C12 Earthwork and Paving; C34 Pipeline; C46 Solar; HAZ Hazardous Substance Removal
    Expires
    Dec 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Upland, CA · serves California
    Phone
    (909) 957-5773
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  10. J T Site Services

    ActiveA General Engineering+1

    Upland, CA · WC ✓ via leasing firm · 6 mi away

    Proof for J T Site Services
    License
    CSLB 992829
    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
    Covered through an employee leasing firm
    Where
    Upland, CA · serves California
    Phone
    (909) 985-5660
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  11. Jaber Mehdi

    ActiveA General Engineering

    Ontario, CA · WC ✓ · 8 mi away

    Proof for Jaber Mehdi
    License
    CSLB 1034053
    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
    Ontario, CA · serves California
    Phone
    (909) 628-1999
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  12. Jahndarosa Engineering

    ActiveA General Engineering+1

    Fontana, CA · WC exempt · 6 mi away

    Proof for Jahndarosa Engineering
    License
    CSLB 1072336
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building
    Expires
    Dec 31, 2026
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Fontana, CA · serves California
    Phone
    (909) 697-5965
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  13. Jam Engineering Inc

    ActiveA General Engineering

    Fontana, CA · WC ✓ · 6 mi away

    Proof for Jam Engineering Inc
    License
    CSLB 1117737
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Mar 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Fontana, CA · serves California
    Phone
    (909) 642-8296
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  14. Jewels Construction Inc

    ActiveA General Engineering

    Ontario, CA · WC ✓ · 7 mi away

    Proof for Jewels Construction Inc
    License
    CSLB 770969
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Nov 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Ontario, CA · serves California
    Phone
    (909) 773-1864
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  15. Jimenez Backhoe

    ActiveA General Engineering+1

    Fontana, CA · WC exempt · 6 mi away

    Proof for Jimenez Backhoe
    License
    CSLB 1034151
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C12 Earthwork and Paving
    Expires
    Dec 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Fontana, CA · serves California
    Phone
    (909) 349-7518
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  16. Jn Construction Inc

    ActiveA General Engineering+5

    Ontario, CA · WC ✓ · 8 mi away

    Proof for Jn Construction Inc
    License
    CSLB 1001396
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C10 Electrical; C16 Fire Protection; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing
    Expires
    Feb 28, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Ontario, CA · serves California
    Phone
    (323) 378-0109
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  17. Joez General Engineering LLC

    ActiveA General Engineering+1

    Claremont, CA · WC ✓ · 9 mi away

    Proof for Joez General Engineering LLC
    License
    CSLB 1153818
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C8 Concrete
    Expires
    Apr 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Claremont, CA · serves California
    Phone
    (951) 332-1680
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  18. K K G Inc

    ActiveA General Engineering+1

    Claremont, CA · WC ✓ · 9 mi away

    Proof for K K G Inc
    License
    CSLB 826980
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building
    Expires
    Nov 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Claremont, CA · serves California
    Phone
    (909) 624-6222
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  19. K & L Contracting Inc

    ActiveA General Engineering+2

    Fontana, CA · WC ✓ · 8 mi away

    Proof for K & L Contracting Inc
    License
    CSLB 531048
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C21 Building Moving/Demolition
    Expires
    Mar 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Fontana, CA · serves California
    Phone
    (909) 452-7038
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  20. Kelagoon Construction Management & Consultant

    ActiveA General Engineering

    Fontana, CA · WC ✓ · 6 mi away

    Proof for Kelagoon Construction Management & Consultant
    License
    CSLB 986080
    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
    Fontana, CA · serves California
    Phone
    (909) 660-1343
    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