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NAICS 237990 · Other Heavy and Civil Engineering Construction

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General engineering contractors in Ontario, CA

70 general engineering contractors in Ontario, CA. Every listing checked against the issuer's record, in the published order.

  1. B & D Construction Co Inc

    ActiveA General Engineering+2

    Upland, CA · WC ✓ · 6 mi away

    Proof for B & D Construction Co Inc
    License
    CSLB 776709
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C21 Building Moving/Demolition; HAZ Hazardous Substance Removal
    Expires
    Mar 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Upland, CA · serves California
    Phone
    (909) 949-0360
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  2. B&D Equipment Rental & Engineering Inc

    ActiveA General Engineering+1

    Upland, CA · WC exempt · 6 mi away

    Proof for B&D Equipment Rental & Engineering Inc
    License
    CSLB 326942
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; HAZ Hazardous Substance Removal
    Expires
    Jan 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Upland, CA · serves California
    Phone
    (909) 949-0360
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  3. B V Construction Inc

    ActiveA General Engineering+1

    Upland, CA · WC exempt · 6 mi away

    Proof for B V Construction Inc
    License
    CSLB 862134
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C21 Building Moving/Demolition
    Expires
    Aug 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Upland, CA · serves California
    Phone
    (909) 949-0360
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  4. Barza Construction Inc

    ActiveA General Engineering+1

    Pomona, CA · WC ✓ · 9 mi away

    Proof for Barza Construction Inc
    License
    CSLB 1053906
    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
    Workers' comp on file
    Where
    Pomona, CA · serves California
    Phone
    (909) 562-1117
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  5. Bcent Inc

    ActiveC7 Low Voltage Systems+1

    Chino, CA · WC ✓ · 5 mi away

    Proof for Bcent Inc
    License
    CSLB 880689
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C7 Low Voltage Systems; C31 Construction Zone Traffic Control
    Expires
    Mar 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Chino, CA · serves California
    Phone
    (909) 704-4929
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  6. Becerra Santiago Lemos

    ActiveA General Engineering+1

    Fontana, CA · WC exempt · 9 mi away

    Proof for Becerra Santiago Lemos
    License
    CSLB 543600
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building
    Expires
    Feb 28, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Fontana, CA · serves California
    Phone
    (909) 823-1971
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  7. Beck Jeremy Contracting

    ActiveA General Engineering+2

    Norco, CA · WC exempt · 8 mi away

    Proof for Beck Jeremy Contracting
    License
    CSLB 985294
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; D06 Concrete Related Services; HAZ Hazardous Substance Removal
    Expires
    Jul 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Norco, CA · serves California
    Phone
    (714) 336-2586
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  8. Benson Mark a

    ActiveA General Engineering

    Corona, CA · WC exempt · 8 mi away

    Proof for Benson Mark a
    License
    CSLB 965379
    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
    Corona, CA · serves California
    Phone
    (562) 762-7370
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  9. Bertagna Lee and Smith Inc

    ActiveA General Engineering+2

    Norco, CA · WC ✓ · 8 mi away

    Proof for Bertagna Lee and Smith Inc
    License
    CSLB 1018596
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; HAZ Hazardous Substance Removal
    Expires
    Sep 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Norco, CA · serves California
    Phone
    (951) 520-3332
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  10. Big Sky Electric / Filanc a Joint Venture

    ActiveA General Engineering+1

    Upland, CA · WC ✓ · 6 mi away

    Proof for Big Sky Electric / Filanc a Joint Venture
    License
    CSLB 932532
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C10 Electrical
    Expires
    May 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Upland, CA · serves California
    Phone
    (909) 694-0432
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  11. Big Sky Electric Inc

    ActiveA General Engineering+1

    Upland, CA · WC ✓ · 6 mi away

    Proof for Big Sky Electric Inc
    License
    CSLB 925689
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C10 Electrical
    Expires
    Dec 31, 2026
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Upland, CA · serves California
    Phone
    (909) 694-0432
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  12. Bionki a D Inc

    ActiveA General Engineering

    Pomona, CA · WC ✓ · 9 mi away

    Proof for Bionki a D Inc
    License
    CSLB 982320
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Mar 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Pomona, CA · serves California
    Phone
    (909) 740-4056
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  13. Bjs Construction Co Inc

    ActiveA General Engineering+1

    Jurupa Valley, CA · WC exempt · 10 mi away

    Proof for Bjs Construction Co Inc
    License
    CSLB 1125469
    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
    Jurupa Valley, CA · serves California
    Phone
    (909) 702-6551
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  14. Blok Modular Constructors Inc

    ActiveA General Engineering+1

    Upland, CA · WC ✓ · 6 mi away

    Proof for Blok Modular Constructors Inc
    License
    CSLB 1054345
    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
    Upland, CA · serves California
    Phone
    (888) 256-5663
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  15. Boberg Engineering & Contracting Inc

    ActiveA General Engineering+2

    Corona, CA · WC ✓ · 8 mi away

    Proof for Boberg Engineering & Contracting Inc
    License
    CSLB 805863
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C12 Earthwork and Paving; C21 Building Moving/Demolition
    Expires
    Mar 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Corona, CA · serves California
    Phone
    (714) 993-7001
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  16. Bonilla Equipment Inc

    ActiveA General Engineering

    Chino, CA · WC ✓ · 6 mi away

    Proof for Bonilla Equipment Inc
    License
    CSLB 972690
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    May 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Chino, CA · serves California
    Phone
    (562) 755-7752
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  17. Born Construction Inc

    ActiveA General Engineering+1

    Rancho Cucamonga, CA · WC ✓ · 7 mi away

    Proof for Born Construction Inc
    License
    CSLB 490869
    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
    Workers' comp on file
    Where
    Rancho Cucamonga, CA · serves California
    Phone
    (909) 732-3132
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  18. Braeger Construction Inc

    ActiveA General Engineering+2

    Upland, CA · WC ✓ · 6 mi away

    Proof for Braeger Construction Inc
    License
    CSLB 290219
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C27 Landscaping
    Expires
    Jul 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Upland, CA · serves California
    Phone
    (909) 621-4795
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  19. Bryant George

    ActiveA General Engineering+3

    Alta Loma, CA · WC ✓ · 8 mi away

    Proof for Bryant George
    License
    CSLB 421278
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C21 Building Moving/Demolition; HAZ Hazardous Substance Removal
    Expires
    Jan 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Alta Loma, CA · serves California
    Phone
    (909) 944-3517
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  20. Bryant George Construction Inc

    ActiveA General Engineering+7

    Alta Loma, CA · WC ✓ · 8 mi away

    Proof for Bryant George Construction Inc
    License
    CSLB 718466
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; ASB Asbestos Certification; B General Building; C21 Building Moving/Demolition; C22 Asbestos Abatement; C33 Painting and Decorating; D64 Non-specialized; HAZ Hazardous Substance Removal
    Expires
    Feb 29, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Alta Loma, CA · serves California
    Phone
    (909) 944-3517
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

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