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Fire sprinkler contractors in Ontario, CA
12 fire sprinkler contractors in Ontario, CA; 436 within 30 miles. Every listing checked against the issuer's record, in the published order.
Fire Protection Pros
Orange, CA · WC exempt · 19 mi away
Proof for Fire Protection Pros
- License
- CSLB 1112828
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C16 Fire Protection
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Orange, CA · serves California
- Phone
- (951) 259-4988
- Listing
- Built from public records. Not claimed yet, so call them directly.
Fire Service Corp
Anaheim, CA · WC ✓ · 15 mi away
Proof for Fire Service Corp
- License
- CSLB 952180
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C10 Electrical; C16 Fire Protection; C36 Plumbing
- Expires
- Sep 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Anaheim, CA · serves California
- Phone
- (800) 767-3473
- Listing
- Built from public records. Not claimed yet, so call them directly.
Fire Sprinkler Installers
Covina, CA · WC ✓ via leasing firm · 16 mi away
Proof for Fire Sprinkler Installers
- License
- CSLB 834729
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C16 Fire Protection
- Expires
- Mar 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Covered through an employee leasing firm
- Where
- Covina, CA · serves California
- Phone
- (626) 858-1823
- Listing
- Built from public records. Not claimed yet, so call them directly.
Fireproof Fire Protection
Orange, CA · WC ✓ · 19 mi away
Proof for Fireproof Fire Protection
- License
- CSLB 876004
- 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
- Orange, CA · serves California
- Phone
- (866) 457-3473
- Listing
- Built from public records. Not claimed yet, so call them directly.
Fischer Inc
San Bernardino, CA · WC ✓ · 19 mi away
Proof for Fischer Inc
- License
- CSLB 853357
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C16 Fire Protection; C36 Plumbing
- Expires
- Jan 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Bernardino, CA · serves California
- Phone
- (909) 881-2910
- Listing
- Built from public records. Not claimed yet, so call them directly.
Fischer Plumbing
San Bernardino, CA · WC ✓ · 19 mi away
Proof for Fischer Plumbing
- License
- CSLB 452949
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C16 Fire Protection; C36 Plumbing
- Expires
- Feb 29, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Bernardino, CA · serves California
- Phone
- (909) 881-2910
- Listing
- Built from public records. Not claimed yet, so call them directly.
Flex Fire Protection
Brea, CA · WC ✓ · 17 mi away
Proof for Flex Fire Protection
- License
- CSLB 1092705
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C16 Fire Protection
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Brea, CA · serves California
- Phone
- (714) 576-1026
- Listing
- Built from public records. Not claimed yet, so call them directly.
G N a - Brook Fire Protection Inc
Glendora, CA · WC ✓ · 15 mi away
Proof for G N a - Brook Fire Protection Inc
- License
- CSLB 782494
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C16 Fire Protection
- Expires
- Aug 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Glendora, CA · serves California
- Phone
- (626) 914-5529
- Listing
- Built from public records. Not claimed yet, so call them directly.
General Underground Fire Protection Inc
Anaheim, CA · 17 mi away
Proof for General Underground Fire Protection Inc
- USDOT registration
- US-DOT 1961727
- Issuer
- US-DOT
- Status
- Active
- Class
- Private motor carrier
- Checked
- Oct 23, 2026
- Where
- Anaheim, CA · serves California
- Phone
- (714) 632-8646
- Listing
- Built from public records. Not claimed yet, so call them directly.
Globe Fire Protection Inc
West Covina, CA · WC ✓ · 19 mi away
Proof for Globe Fire Protection Inc
- License
- CSLB 1066300
- 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
- West Covina, CA · serves California
- Phone
- (626) 708-1550
- Listing
- Built from public records. Not claimed yet, so call them directly.
H 2 O Fire Protection Inc
Glendora, CA · WC ✓ · 16 mi away
Proof for H 2 O Fire Protection Inc
- License
- CSLB 897997
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C16 Fire Protection
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Glendora, CA · serves California
- Phone
- (909) 394-7979
- Listing
- Built from public records. Not claimed yet, so call them directly.
Hanna Fire Protection
Riverside, CA · WC exempt · 19 mi away
Proof for Hanna Fire Protection
- License
- CSLB 1083987
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C16 Fire Protection
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Riverside, CA · serves California
- Phone
- (951) 295-5621
- Listing
- Built from public records. Not claimed yet, so call them directly.
Harris Fire Protection Inc
Orange, CA · WC ✓ · 19 mi away
Proof for Harris Fire Protection Inc
- License
- CSLB 740061
- 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
- Orange, CA · serves California
- Phone
- (714) 744-0110
- Listing
- Built from public records. Not claimed yet, so call them directly.
Immediate Fire Protection Inc
Anaheim, CA · WC ✓ · 15 mi away
Proof for Immediate Fire Protection Inc
- License
- CSLB 1036090
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C10 Electrical; C16 Fire Protection
- Expires
- Sep 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Anaheim, CA · serves California
- Phone
- (323) 448-8469
- Listing
- Built from public records. Not claimed yet, so call them directly.
Inline Mechanical Piping Inc
Placentia, CA · WC ✓ · 18 mi away
Proof for Inline Mechanical Piping Inc
- License
- CSLB 799453
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C16 Fire Protection; C36 Plumbing
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Placentia, CA · serves California
- Phone
- (714) 572-1286
- Listing
- Built from public records. Not claimed yet, so call them directly.
Ironmen Fire Protection LLC
Covina, CA · WC exempt · 18 mi away
Proof for Ironmen Fire Protection LLC
- License
- CSLB 1156517
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C16 Fire Protection
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Covina, CA · serves California
- Phone
- (323) 613-0976
- Listing
- Built from public records. Not claimed yet, so call them directly.
J H Wiemann Fire Sprinkler Company
Brea, CA · WC exempt · 16 mi away
Proof for J H Wiemann Fire Sprinkler Company
- License
- CSLB 997275
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C16 Fire Protection
- Expires
- Oct 31, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Brea, CA · serves California
- Phone
- (626) 407-5814
- Listing
- Built from public records. Not claimed yet, so call them directly.
Jr Fire Sprinklers
San Bernardino, CA · WC ✓ · 18 mi away
Proof for Jr Fire Sprinklers
- License
- CSLB 1077811
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C16 Fire Protection
- Expires
- Jul 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Bernardino, CA · serves California
- Phone
- (909) 770-2078
- Listing
- Built from public records. Not claimed yet, so call them directly.
L C Construction & Plumbing Corp
City of Industry, CA · WC ✓ · 18 mi away
Proof for L C Construction & Plumbing Corp
- License
- CSLB 538151
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C16 Fire Protection; C36 Plumbing
- Expires
- Aug 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- City of Industry, CA · serves California
- Phone
- (626) 444-4836
- Listing
- Built from public records. Not claimed yet, so call them directly.
Liang Weisong
West Covina, CA · WC exempt · 19 mi away
Proof for Liang Weisong
- License
- CSLB 1040694
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C16 Fire Protection
- Expires
- Sep 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- West Covina, CA · serves California
- Phone
- (626) 708-1550
- Listing
- Built from public records. Not claimed yet, so call them directly.
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