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NAICS 237990 · Other Heavy and Civil Engineering Construction

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General engineering contractors in Diamond Bar, CA

14 general engineering contractors in Diamond Bar, CA. Every listing checked against the issuer's record, in the published order.

  1. G & W Builders Inc

    ActiveA General Engineering+3

    Brea, CA · WC ✓ via leasing firm · 5 mi away

    Proof for G & W Builders Inc
    License
    CSLB 457076
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C51 Structural Steel; HAZ Hazardous Substance Removal
    Expires
    May 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Covered through an employee leasing firm
    Where
    Brea, CA · serves California
    Phone
    (714) 529-9935
    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 ✓ · 9 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. Gba Engineering Inc

    ActiveA General Engineering

    Yorba Linda, CA · WC ✓ · 7 mi away

    Proof for Gba Engineering Inc
    License
    CSLB 900340
    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
    Yorba Linda, CA · serves California
    Phone
    (714) 510-6700
    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 ✓ · 9 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. Gdm Inc, Na

    ActiveCorporation registered in SAM.gov

    Chino, CA · 8 mi away

    Proof for Gdm Inc, Na
    SAM.gov registration
    US-GSA-SAM GE4JGKRNR945
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Nov 7, 2026
    Checked
    Oct 23, 2026
    Where
    Chino, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  6. Geobear CA LLC

    ActiveD06 Concrete Related Services+1

    Yorba Linda, CA · WC ✓ · 9 mi away

    Proof for Geobear CA LLC
    License
    CSLB 1079250
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    D06 Concrete Related Services; D30 Pile Driving and Pressure Foundation Jacking
    Expires
    Aug 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Yorba Linda, CA · serves California
    Phone
    (949) 426-0831
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  7. Gh Group Engineering

    ActiveA General Engineering

    Hacienda Heights, CA · WC exempt · 9 mi away

    Proof for Gh Group Engineering
    License
    CSLB 1149464
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Jan 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Hacienda Heights, CA · serves California
    Phone
    (714) 878-3287
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  8. Golden Coast Construction

    ActiveA General Engineering+2

    LA Habra, CA · WC ✓ · 9 mi away

    Proof for Golden Coast Construction
    License
    CSLB 1074709
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C13 Fencing
    Expires
    Apr 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    LA Habra, CA · serves California
    Phone
    (562) 201-6137
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  9. Golden Coast Construction

    ActiveCorporation registered in SAM.gov

    La Habra, CA · 9 mi away

    Proof for Golden Coast Construction
    SAM.gov registration
    US-GSA-SAM JTPYBAT64TS3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 16, 2027
    Checked
    Oct 23, 2026
    Where
    La Habra, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record
  10. Golden State Boring & Pipe Jacking Inc

    ActiveA General Engineering

    Chino, CA · WC ✓ · 8 mi away

    Proof for Golden State Boring & Pipe Jacking Inc
    License
    CSLB 678500
    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
    Chino, CA · serves California
    Phone
    (909) 930-5811
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  11. Golden West Concrete

    ActiveA General Engineering+1

    West Covina, CA · WC ✓ · 6 mi away

    Proof for Golden West Concrete
    License
    CSLB 1104414
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C8 Concrete
    Expires
    May 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    West Covina, CA · serves California
    Phone
    (213) 537-3835
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  12. Gomringer Construction Services

    ActiveA General Engineering+2

    Covina, CA · WC ✓ · 7 mi away

    Proof for Gomringer Construction Services
    License
    CSLB 1077715
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; HAZ Hazardous Substance Removal
    Expires
    Jul 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Covina, CA · serves California
    Phone
    (661) 476-8300
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  13. Gradymac Construction

    ActiveA General Engineering+1

    LA Habra, CA · WC exempt · 9 mi away

    Proof for Gradymac Construction
    License
    CSLB 748081
    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
    LA Habra, CA · serves California
    Phone
    (562) 522-5527
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  14. Green Giant Landscape Inc

    ActiveA General Engineering+2

    LA Habra, CA · WC ✓ · 9 mi away

    Proof for Green Giant Landscape Inc
    License
    CSLB 670478
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C13 Fencing; C27 Landscaping
    Expires
    May 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    LA Habra, CA · serves California
    Phone
    (562) 690-6208
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  15. Green Point Design Build Services Inc

    ActiveA General Engineering+4

    Brea, CA · WC exempt · 5 mi away

    Proof for Green Point Design Build Services Inc
    License
    CSLB 1111185
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; ASB Asbestos Certification; B General Building; C21 Building Moving/Demolition; C27 Landscaping
    Expires
    Oct 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Brea, CA · serves California
    Phone
    (714) 882-9008
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  16. Greenfield Engineering

    ActiveA General Engineering+1

    LA Puente, CA · WC exempt · 7 mi away

    Proof for Greenfield Engineering
    License
    CSLB 1146461
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C27 Landscaping
    Expires
    Nov 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    LA Puente, CA · serves California
    Phone
    (626) 759-5177
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  17. Greer Mike a

    ActiveA General Engineering+2

    Yorba Linda, CA · WC exempt · 7 mi away

    Proof for Greer Mike a
    License
    CSLB 725867
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C51 Structural Steel
    Expires
    Aug 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Yorba Linda, CA · serves California
    Phone
    (714) 742-9935
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  18. Gregg Electric Inc

    ActiveA General Engineering+2

    Ontario, CA · WC ✓ · 9 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
  19. Griffith-Aldridge Joint Venture

    ActiveA General Engineering+2

    Brea, CA · WC exempt · 5 mi away

    Proof for Griffith-Aldridge Joint Venture
    License
    CSLB 1145636
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C10 Electrical
    Expires
    Oct 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Brea, CA · serves California
    Phone
    (714) 984-5500
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  20. Griffith-Atkinson JV

    ActiveA General Engineering+6

    Brea, CA · WC exempt · 5 mi away

    Proof for Griffith-Atkinson JV
    License
    CSLB 1067118
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C8 Concrete; C12 Earthwork and Paving; C27 Landscaping; C31 Construction Zone Traffic Control; HAZ Hazardous Substance Removal
    Expires
    Jul 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Brea, CA · serves California
    Phone
    (714) 984-5500
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

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