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NAICS 237990 · Other Heavy and Civil Engineering Construction

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General engineering contractors in Colton, CA

20 general engineering contractors in Colton, CA; 1,574 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Sigma One Construction Inc

    ActiveA General Engineering+1

    Riverside, CA · WC ✓ · 9 mi away

    Proof for Sigma One Construction Inc
    License
    CSLB 1123441
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C10 Electrical
    Expires
    Jul 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Riverside, CA · serves California
    Phone
    (909) 260-7660
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  2. Skanska-Cec Joint Venture

    ActiveA General Engineering

    Riverside, CA · WC ✓ · 8 mi away

    Proof for Skanska-Cec Joint Venture
    License
    CSLB 1105396
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Jun 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Riverside, CA · serves California
    Phone
    (951) 335-0067
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  3. Skanska - Coffman a Joint Venture

    ActiveA General Engineering

    Riverside, CA · WC ✓ · 8 mi away

    Proof for Skanska - Coffman a Joint Venture
    License
    CSLB 1119654
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Apr 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Riverside, CA · serves California
    Phone
    (951) 784-5360
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  4. Skanska-Coffman a Joint Venture II

    ActiveA General Engineering+1

    Riverside, CA · WC ✓ · 8 mi away

    Proof for Skanska-Coffman a Joint Venture II
    License
    CSLB 1145178
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; HAZ Hazardous Substance Removal
    Expires
    Oct 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Riverside, CA · serves California
    Phone
    (951) 335-0067
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  5. Skanska Constructors

    ActiveA General Engineering+2

    Riverside, CA · WC ✓ · 8 mi away

    Proof for Skanska Constructors
    License
    CSLB 974698
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C51 Structural Steel
    Expires
    Jul 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Riverside, CA · serves California
    Phone
    (951) 684-5360
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  6. Skanska-Flatiron a Joint Venture

    ActiveA General Engineering

    Riverside, CA · WC ✓ · 8 mi away

    Proof for Skanska-Flatiron a Joint Venture
    License
    CSLB 1137775
    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
    Riverside, CA · serves California
    Phone
    (951) 684-5360
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  7. Skanska - Rados Expo 2 Joint Venture

    ActiveA General Engineering+1

    Riverside, CA · WC ✓ · 8 mi away

    Proof for Skanska - Rados Expo 2 Joint Venture
    License
    CSLB 945030
    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
    Riverside, CA · serves California
    Phone
    (951) 684-5360
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  8. Skanska-Stacy and Witbeck a Joint Venture

    ActiveA General Engineering

    Riverside, CA · WC exempt · 8 mi away

    Proof for Skanska-Stacy and Witbeck a Joint Venture
    License
    CSLB 983775
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    May 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Riverside, CA · serves California
    Phone
    (951) 684-5360
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  9. Skanska Sully - Miller a Joint Venture

    ActiveA General Engineering

    Riverside, CA · WC ✓ · 8 mi away

    Proof for Skanska Sully - Miller a Joint Venture
    License
    CSLB 1117682
    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
    Riverside, CA · serves California
    Phone
    (951) 684-5360
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  10. Skanska - Traylor - Shea a Joint Venture

    ActiveA General Engineering+3

    Riverside, CA · WC ✓ · 8 mi away

    Proof for Skanska - Traylor - Shea a Joint Venture
    License
    CSLB 987269
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C10 Electrical; HAZ Hazardous Substance Removal
    Expires
    Sep 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Riverside, CA · serves California
    Phone
    (951) 684-5360
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  11. Skanska USA Civil West California District Inc

    ActiveA General Engineering+3

    Riverside, CA · WC ✓ · 8 mi away

    Proof for Skanska USA Civil West California District Inc
    License
    CSLB 140069
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; C10 Electrical; C34 Pipeline; HAZ Hazardous Substance Removal
    Expires
    May 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Riverside, CA · serves California
    Phone
    (951) 684-5360
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  12. Slater Blake

    ActiveA General Engineering

    Fontana, CA · WC exempt · 9 mi away

    Proof for Slater Blake
    License
    CSLB 994743
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Jul 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Fontana, CA · serves California
    Phone
    (909) 822-6800
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  13. Slater Inc

    ActiveA General Engineering

    Fontana, CA · WC ✓ · 9 mi away

    Proof for Slater Inc
    License
    CSLB 466576
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Dec 31, 2026
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Fontana, CA · serves California
    Phone
    (909) 822-6800
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  14. Slater Philip S

    ActiveA General Engineering

    Fontana, CA · WC exempt · 8 mi away

    Proof for Slater Philip S
    License
    CSLB 428984
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Oct 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Fontana, CA · serves California
    Phone
    (909) 822-6800
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  15. Southwest Construction Engineering LLC

    ActiveA General Engineering

    Fontana, CA · WC ✓ · 10 mi away

    Proof for Southwest Construction Engineering LLC
    License
    CSLB 1103764
    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
    Fontana, CA · serves California
    Phone
    (562) 567-1869
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  16. Specialized Environmental Technologies Corporation

    ActiveA General Engineering+1

    Riverside, CA · WC exempt · 9 mi away

    Proof for Specialized Environmental Technologies Corporation
    License
    CSLB 1139442
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; HAZ Hazardous Substance Removal
    Expires
    Jun 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Riverside, CA · serves California
    Phone
    (951) 295-7500
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  17. Ssh Joint Venture

    ActiveA General Engineering+1

    Riverside, CA · WC ✓ · 8 mi away

    Proof for Ssh Joint Venture
    License
    CSLB 1144954
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; HAZ Hazardous Substance Removal
    Expires
    Oct 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Riverside, CA · serves California
    Phone
    (951) 335-0067
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  18. Stc Netcom Inc

    ActiveA General Engineering+2

    Fontana, CA · WC ✓ · 8 mi away

    Proof for Stc Netcom Inc
    License
    CSLB 658768
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C10 Electrical
    Expires
    Nov 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Fontana, CA · serves California
    Phone
    (951) 685-8181
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  19. Steadfast Construction Services Inc

    ActiveA General Engineering

    Fontana, CA · WC ✓ via leasing firm · 10 mi away

    Proof for Steadfast Construction Services Inc
    License
    CSLB 835006
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering
    Expires
    Jul 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Covered through an employee leasing firm
    Where
    Fontana, CA · serves California
    Phone
    (909) 946-9463
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  20. Stilwell Construction Inc

    ActiveA General Engineering+1

    Riverside, CA · WC ✓ · 9 mi away

    Proof for Stilwell Construction Inc
    License
    CSLB 615234
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building
    Expires
    Mar 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Riverside, CA · serves California
    Phone
    (951) 686-5088
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

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