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NAICS 237990 · Other Heavy and Civil Engineering Construction

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General engineering contractors in Alta Loma, CA

19 general engineering contractors in Alta Loma, CA. Every listing checked against the issuer's record, in the published order.

  1. Fuel Serv

    ActiveA General Engineering+3

    Montclair, CA · WC exempt · 8 mi away

    Proof for Fuel Serv
    License
    CSLB 986361
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C10 Electrical; D40 Service Station Equipment and Maintenance; HAZ Hazardous Substance Removal
    Expires
    Aug 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Montclair, CA · serves California
    Phone
    (909) 680-9102
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  2. Garcon Construction Inc

    ActiveA General Engineering+1

    Ontario, CA · WC ✓ · 7 mi away

    Proof for Garcon Construction Inc
    License
    CSLB 913550
    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
    Ontario, CA · serves California
    Phone
    (909) 591-8601
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  3. Gbc Construction

    ActiveA General Engineering+1

    Fontana, CA · WC exempt · 8 mi away

    Proof for Gbc Construction
    License
    CSLB 1004411
    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
    Exempt: no employees
    Where
    Fontana, CA · serves California
    Phone
    (909) 717-4818
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  4. GC Construction & Fire Protection Inc

    ActiveA General Engineering+2

    Ontario, CA · WC ✓ · 7 mi away

    Proof for GC Construction & Fire Protection Inc
    License
    CSLB 1113745
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C16 Fire Protection
    Expires
    Dec 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Ontario, CA · serves California
    Phone
    (909) 472-2919
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  5. Gold Coast Refractory Service

    ActiveA General Engineering+1

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

    Proof for Gold Coast Refractory Service
    License
    CSLB 549085
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C4 Boiler, Hot Water Heating and Steam Fitting
    Expires
    Nov 30, 2026
    Checked
    Oct 24, 2026
    Workers' comp
    Covered through an employee leasing firm
    Where
    Fontana, CA · serves California
    Phone
    (562) 946-1942
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  6. Gregg Electric Inc

    ActiveA General Engineering+2

    Ontario, CA · WC ✓ · 7 mi away

    Proof for Gregg Electric Inc
    License
    CSLB 201042
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C10 Electrical; C31 Construction Zone Traffic Control
    Expires
    Jun 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Ontario, CA · serves California
    Phone
    (909) 983-1794
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  7. Grigolla S J Construction Co Inc

    ActiveA General Engineering+1

    LA Verne, CA · WC ✓ self-insured · 10 mi away

    Proof for Grigolla S J Construction Co Inc
    License
    CSLB 462356
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building
    Expires
    Sep 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Self-insured for workers' comp
    Where
    LA Verne, CA · serves California
    Phone
    (909) 596-6406
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  8. Guerrero Elgin

    ActiveA General Engineering

    Ontario, CA · WC ✓ · 8 mi away

    Proof for Guerrero Elgin
    License
    CSLB 1113824
    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) 816-1617
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  9. Guzman Grading and Paving Corp

    ActiveA General Engineering+1

    Fontana, CA · WC ✓ · 10 mi away

    Proof for Guzman Grading and Paving Corp
    License
    CSLB 904543
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C12 Earthwork and Paving
    Expires
    Oct 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Fontana, CA · serves California
    Phone
    (909) 428-5960
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  10. Hampton Tedder Electric Commercial

    ActiveA General Engineering+3

    Montclair, CA · WC ✓ · 8 mi away

    Proof for Hampton Tedder Electric Commercial
    License
    CSLB 1146693
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C10 Electrical; C31 Construction Zone Traffic Control; D31 Pole Installation and Maintenance
    Expires
    Nov 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Montclair, CA · serves California
    Phone
    (909) 993-5998
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  11. Hampton Tedder Electric Company

    ActiveA General Engineering+3

    Montclair, CA · WC ✓ · 8 mi away

    Proof for Hampton Tedder Electric Company
    License
    CSLB 288589
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C10 Electrical; C31 Construction Zone Traffic Control; D31 Pole Installation and Maintenance
    Expires
    Jan 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Montclair, CA · serves California
    Phone
    (909) 628-1253
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  12. Hampton Tedder Technical Services Inc

    ActiveA General Engineering+2

    Montclair, CA · WC ✓ · 8 mi away

    Proof for Hampton Tedder Technical Services Inc
    License
    CSLB 961649
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C10 Electrical; C31 Construction Zone Traffic Control
    Expires
    Jun 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Montclair, CA · serves California
    Phone
    (909) 628-1256
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  13. Hazmat Team Inc the

    ActiveA General Engineering+1

    Fontana, CA · WC exempt · 8 mi away

    Proof for Hazmat Team Inc the
    License
    CSLB 1083251
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C34 Pipeline
    Expires
    Nov 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Fontana, CA · serves California
    Phone
    (760) 595-6628
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  14. Her-Con Construction Services Inc

    ActiveA General Engineering+1

    Claremont, CA · WC ✓ · 7 mi away

    Proof for Her-Con Construction Services Inc
    License
    CSLB 945955
    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
    (626) 339-7000
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  15. Hhs Construction LLC

    ActiveCorporation registered in SAM.gov

    Ontario, CA · 8 mi away

    Proof for Hhs Construction LLC
    SAM.gov registration
    US-GSA-SAM Q74UE6ACX7E9
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Dec 9, 2026
    Checked
    Oct 23, 2026
    Where
    Ontario, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  16. Hhs Construction LLC

    ActiveA General Engineering+4

    Ontario, CA · WC ✓ · 8 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
  17. High Speed Rooter and Plumbing Inc

    ActiveA General Engineering+4

    Ontario, CA · WC ✓ via leasing firm · 7 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
  18. Industrial Waste Utilization LLC

    ActiveA General Engineering+1

    Montclair, CA · WC ✓ · 8 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
  19. Inland Design Build

    ActiveA General Engineering+1

    Ontario, CA · WC ✓ · 7 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
  20. Inland Grading Engineering

    ActiveA General Engineering+1

    Fontana, CA · WC exempt · 8 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

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