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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. 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
  2. Buccaneer Builders

    ActiveA General Engineering+4

    Riverside, CA · WC exempt · 10 mi away

    Proof for Buccaneer Builders
    License
    CSLB 718006
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C4 Boiler, Hot Water Heating and Steam Fitting; C16 Fire Protection; C36 Plumbing
    Expires
    Jan 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Riverside, CA · serves California
    Phone
    (951) 640-8542
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  3. Buck John

    ActiveA General Engineering+3

    Eastvale, CA · WC exempt · 8 mi away

    Proof for Buck John
    License
    CSLB 981035
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; D12 Synthetic Products; D34 Prefabricated Equipment
    Expires
    Feb 28, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Eastvale, CA · serves California
    Phone
    (909) 292-6998
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  4. Buntich Mladen Construction Co Inc

    ActiveA General Engineering+1

    Upland, CA · WC ✓ · 6 mi away

    Proof for Buntich Mladen Construction Co Inc
    License
    CSLB 532604
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building
    Expires
    Jun 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Upland, CA · serves California
    Phone
    (909) 920-9977
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  5. Burrtec Waste Industries Inc

    ActiveA General Engineering

    Fontana, CA · WC ✓ · 9 mi away

    Proof for Burrtec Waste Industries Inc
    License
    CSLB 791805
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Feb 28, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Fontana, CA · serves California
    Phone
    (909) 429-4200
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  6. C L S Landscape Management Inc

    ActiveA General Engineering+3

    Montclair, CA · WC ✓ · 6 mi away

    Proof for C L S Landscape Management Inc
    License
    CSLB 650883
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C27 Landscaping; D49 Tree Service
    Expires
    Jul 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Montclair, CA · serves California
    Phone
    (909) 628-3005
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  7. C M B Structures Inc

    ActiveA General Engineering

    Alta Loma, CA · WC ✓ · 7 mi away

    Proof for C M B Structures Inc
    License
    CSLB 613977
    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
    Alta Loma, CA · serves California
    Phone
    (909) 980-4538
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  8. C M Peich Inc

    ActiveA General Engineering

    Chino, CA · WC ✓ · 6 mi away

    Proof for C M Peich Inc
    License
    CSLB 710757
    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
    Chino, CA · serves California
    Phone
    (909) 597-6200
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  9. C P C Inc

    ActiveA General Engineering+1

    Upland, CA · WC exempt · 6 mi away

    Proof for C P C Inc
    License
    CSLB 862027
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C34 Pipeline
    Expires
    Jul 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Upland, CA · serves California
    Phone
    (909) 981-1091
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  10. Cable Brothers Inc

    ActiveA General Engineering+1

    Rancho Cucamonga, CA · WC ✓ · 10 mi away

    Proof for Cable Brothers Inc
    License
    CSLB 880335
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C7 Low Voltage Systems
    Expires
    Jul 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Rancho Cucamonga, CA · serves California
    Phone
    (909) 899-6475
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  11. Cal - Line Construction Inc

    ActiveA General Engineering+1

    Fontana, CA · WC ✓ · 10 mi away

    Proof for Cal - Line Construction Inc
    License
    CSLB 1012130
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building
    Expires
    Mar 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Fontana, CA · serves California
    Phone
    (424) 224-3417
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  12. Cal West Underground Inc

    ActiveA General Engineering

    Norco, CA · WC ✓ · 8 mi away

    Proof for Cal West Underground Inc
    License
    CSLB 767650
    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
    Norco, CA · serves California
    Phone
    (951) 371-6775
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  13. Cali Paving Engineers

    ActiveA General Engineering

    Riverside, CA · WC exempt · 10 mi away

    Proof for Cali Paving Engineers
    License
    CSLB 1120206
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    May 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Riverside, CA · serves California
    Phone
    (951) 233-3360
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  14. Cali State Paving Inc

    ActiveA General Engineering+2

    Riverside, CA · WC ✓ · 10 mi away

    Proof for Cali State Paving Inc
    License
    CSLB 1015670
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C12 Earthwork and Paving
    Expires
    Jun 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Riverside, CA · serves California
    Phone
    (714) 757-8012
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  15. California Landscape & Design Inc

    ActiveA General Engineering+6

    Upland, CA · WC ✓ · 6 mi away

    Proof for California Landscape & Design Inc
    License
    CSLB 597267
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C23 Ornamental Metal; C27 Landscaping; C53 Swimming Pool; D06 Concrete Related Services; D12 Synthetic Products
    Expires
    Sep 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Upland, CA · serves California
    Phone
    (909) 949-1601
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  16. California Rampworks

    ActiveA General Engineering+1

    Upland, CA · WC ✓ · 6 mi away

    Proof for California Rampworks
    License
    CSLB 973748
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building
    Expires
    Jun 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Upland, CA · serves California
    Phone
    (909) 949-1601
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  17. California Skateparks

    ActiveA General Engineering+2

    Upland, CA · WC ✓ · 6 mi away

    Proof for California Skateparks
    License
    CSLB 799795
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C27 Landscaping
    Expires
    Sep 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Upland, CA · serves California
    Phone
    (909) 949-1601
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  18. California Skateparks

    ActiveA General Engineering+2

    Upland, CA · WC ✓ · 6 mi away

    Proof for California Skateparks
    License
    CSLB 962150
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C27 Landscaping
    Expires
    Jun 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Upland, CA · serves California
    Phone
    (909) 949-1601
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  19. Calstate Pipeline Engineering

    ActiveA General Engineering

    Chino Hills, CA · WC ✓ · 10 mi away

    Proof for Calstate Pipeline Engineering
    License
    CSLB 1030879
    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
    Chino Hills, CA · serves California
    Phone
    (626) 523-2004
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  20. Canon Coating Co

    ActiveA General Engineering+1

    Norco, CA · WC ✓ · 8 mi away

    Proof for Canon Coating Co
    License
    CSLB 405188
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C32 Parking and Highway Improvement
    Expires
    Jul 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Norco, CA · serves California
    Phone
    (951) 735-4119
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

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