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NAICS 238220 · Plumbing, Heating, and Air-Conditioning Contractors

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Fire sprinkler contractors in Ontario, CA

12 fire sprinkler contractors in Ontario, CA; 439 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Summit Fire Protection Inc

    ActiveC16 Fire Protection

    Redlands, CA · WC ✓ · 25 mi away

    Proof for Summit Fire Protection Inc
    License
    CSLB 362801
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C16 Fire Protection
    Expires
    Feb 28, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Redlands, CA · serves California
    Phone
    (909) 793-0676
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  2. T1 Fire Protection Inc

    ActiveC16 Fire Protection+1

    El Monte, CA · WC exempt · 24 mi away

    Proof for T1 Fire Protection Inc
    License
    CSLB 1148449
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    B General Building; C16 Fire Protection
    Expires
    Dec 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    El Monte, CA · serves California
    Phone
    (626) 757-7310
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  3. Trilek Electric Incorporated

    ActiveC16 Fire Protection+1

    Hacienda Heights, CA · WC ✓ · 21 mi away

    Proof for Trilek Electric Incorporated
    License
    CSLB 711702
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C10 Electrical; C16 Fire Protection
    Expires
    Jun 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Hacienda Heights, CA · serves California
    Phone
    (562) 644-2966
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  4. U S a Fire & Safety Inc

    ActiveC16 Fire Protection+1

    Orange, CA · WC ✓ · 21 mi away

    Proof for U S a Fire & Safety Inc
    License
    CSLB 902448
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C10 Electrical; C16 Fire Protection
    Expires
    Aug 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Orange, CA · serves California
    Phone
    (877) 400-0098
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  5. V M B Fire Protection Co

    ActiveC16 Fire Protection

    Redlands, CA · WC ✓ · 25 mi away

    Proof for V M B Fire Protection Co
    License
    CSLB 835439
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C16 Fire Protection
    Expires
    Apr 30, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Redlands, CA · serves California
    Phone
    (909) 983-6700
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  6. Ventmart Hoods Master

    ActiveC16 Fire Protection+1

    Santa Ana, CA · WC exempt · 21 mi away

    Proof for Ventmart Hoods Master
    License
    CSLB 1020158
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    B General Building; C16 Fire Protection
    Expires
    Jan 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Santa Ana, CA · serves California
    Phone
    (949) 932-0789
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  7. Warden Fire Protection Inc

    ActiveC16 Fire Protection

    Tustin, CA · WC exempt · 24 mi away

    Proof for Warden Fire Protection Inc
    License
    CSLB 1125350
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C16 Fire Protection
    Expires
    Aug 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Tustin, CA · serves California
    Phone
    (949) 315-0279
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  8. Wc Fire Protection Inc

    ActiveC16 Fire Protection

    Tustin, CA · WC ✓ via leasing firm · 24 mi away

    Proof for Wc Fire Protection Inc
    License
    CSLB 1116336
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C16 Fire Protection
    Expires
    Feb 29, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Covered through an employee leasing firm
    Where
    Tustin, CA · serves California
    Phone
    (949) 303-3352
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  9. Western Engineering Construction and Facilities Inc

    ActiveC16 Fire Protection+7

    Anaheim, CA · WC ✓ · 24 mi away

    Proof for Western Engineering Construction and Facilities Inc
    License
    CSLB 983635
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    A General Engineering; B General Building; C10 Electrical; C15 Flooring and Floor Covering; C16 Fire Protection; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing; C38 Refrigeration
    Expires
    May 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Anaheim, CA · serves California
    Phone
    (714) 525-9600
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  10. Xl Fire Protection CO

    ActivePrivate motor carrier

    Santa Ana, CA · 25 mi away

    Proof for Xl Fire Protection CO
    USDOT registration
    US-DOT 3328244
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Santa Ana, CA · serves California
    Phone
    (714) 554-6132
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record
  11. Xl Fire Protection Co

    ActiveC16 Fire Protection

    Santa Ana, CA · WC ✓ · 25 mi away

    Proof for Xl Fire Protection Co
    License
    CSLB 311681
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C16 Fire Protection
    Expires
    May 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Santa Ana, CA · serves California
    Phone
    (714) 554-6132
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  12. 24 / 7 Fire Protection Services Incorporated

    ActiveC16 Fire Protection

    Santa Fe Springs, CA · WC ✓ · 27 mi away

    Proof for 24 / 7 Fire Protection Services Incorporated
    License
    CSLB 817704
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C16 Fire Protection
    Expires
    Feb 28, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Santa Fe Springs, CA · serves California
    Phone
    (562) 698-3830
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  13. 3 Element Fire Protection

    ActiveC16 Fire Protection

    Rosemead, CA · WC ✓ · 27 mi away

    Proof for 3 Element Fire Protection
    License
    CSLB 1142633
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C16 Fire Protection
    Expires
    Aug 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Rosemead, CA · serves California
    Phone
    (626) 497-2604
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  14. A F P

    ActiveC16 Fire Protection

    Lake Elsinore, CA · WC ✓ · 30 mi away

    Proof for A F P
    License
    CSLB 778806
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C16 Fire Protection
    Expires
    Sep 30, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Lake Elsinore, CA · serves California
    Phone
    (951) 674-0178
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  15. A H Accord Group Inc

    ActiveC16 Fire Protection+3

    San Gabriel, CA · WC ✓ · 28 mi away

    Proof for A H Accord Group Inc
    License
    CSLB 757675
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    B General Building; C10 Electrical; C16 Fire Protection; C36 Plumbing
    Expires
    Jan 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    San Gabriel, CA · serves California
    Phone
    (626) 272-7058
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  16. A to Z Construction

    ActiveC16 Fire Protection+1

    Westminster, CA · WC exempt · 30 mi away

    Proof for A to Z Construction
    License
    CSLB 951360
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    B General Building; C16 Fire Protection
    Expires
    Aug 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Westminster, CA · serves California
    Phone
    (714) 775-1837
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  17. Action Fire Protection

    ActivePrivate motor carrier

    Garden Grove, CA · 28 mi away

    Proof for Action Fire Protection
    USDOT registration
    US-DOT 3364051
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Garden Grove, CA · serves California
    Phone
    (714) 260-0101
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record
  18. Alion Fire Protection

    ActiveC16 Fire Protection

    Arcadia, CA · WC exempt · 25 mi away

    Proof for Alion Fire Protection
    License
    CSLB 988868
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C16 Fire Protection
    Expires
    Dec 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Exempt: no employees
    Where
    Arcadia, CA · serves California
    Phone
    (818) 281-3583
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  19. All American Backflow Service

    ActiveC16 Fire Protection+1

    Hesperia, CA · WC ✓ · 30 mi away

    Proof for All American Backflow Service
    License
    CSLB 958529
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C16 Fire Protection; C36 Plumbing
    Expires
    Mar 31, 2027
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Hesperia, CA · serves California
    Phone
    (760) 524-1556
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record
  20. All American Fire Systems

    ActiveC16 Fire Protection+1

    Lake Elsinore, CA · WC ✓ · 30 mi away

    Proof for All American Fire Systems
    License
    CSLB 1034609
    Issuer
    California Contractors State License Board
    Status
    Active
    Class
    C10 Electrical; C16 Fire Protection
    Expires
    Jan 31, 2028
    Checked
    Oct 24, 2026
    Workers' comp
    Workers' comp on file
    Where
    Lake Elsinore, CA · serves California
    Phone
    (714) 476-3169
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → California Contractors State License Board record

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