you asked:
Fire sprinkler contractors in Diamond Bar, CA
5 fire sprinkler contractors in Diamond Bar, CA; 569 within 30 miles. Every listing checked against the issuer's record, in the published order.
Fire Mike's
LA Mirada, CA · WC exempt · 13 mi away
Proof for Fire Mike's
- License
- CSLB 948435
- 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
- LA Mirada, CA · serves California
- Phone
- (714) 955-8717
- Listing
- Built from public records. Not claimed yet, so call them directly.
Fire Protection Pros
Orange, CA · WC exempt · 13 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 Protection Specialists
Anaheim, CA · WC ✓ · 12 mi away
Proof for Fire Protection Specialists
- License
- CSLB 464915
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C16 Fire Protection
- Expires
- Oct 31, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Anaheim, CA · serves California
- Phone
- (714) 635-6500
- Listing
- Built from public records. Not claimed yet, so call them directly.
Fire Service Corp
Anaheim, CA · WC ✓ · 11 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 Solution Masters Corp
Ontario, CA · WC exempt · 13 mi away
Proof for Fire Solution Masters Corp
- License
- CSLB 1149321
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C16 Fire Protection
- Expires
- Jan 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Ontario, CA · serves California
- Phone
- (626) 260-3713
- Listing
- Built from public records. Not claimed yet, so call them directly.
Fireproof Fire Protection
Orange, CA · WC ✓ · 13 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.
Fortified Building & Fire Protection Corp
Eastvale, CA · WC ✓ · 13 mi away
Proof for Fortified Building & Fire Protection Corp
- License
- CSLB 1100311
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C16 Fire Protection
- Expires
- Jan 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Eastvale, CA · serves California
- Phone
- (951) 314-4338
- Listing
- Built from public records. Not claimed yet, so call them directly.
G C Contractor Inc
South El Monte, CA · WC exempt · 14 mi away
Proof for G C Contractor Inc
- License
- CSLB 961796
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C16 Fire Protection; C36 Plumbing
- Expires
- Jun 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- South El Monte, CA · serves California
- Phone
- (626) 786-5607
- Listing
- Built from public records. Not claimed yet, so call them directly.
G&G Fire Protection Inc
Whittier, CA · WC ✓ · 12 mi away
Proof for G&G Fire Protection Inc
- License
- CSLB 1102286
- 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
- Whittier, CA · serves California
- Phone
- (949) 232-6967
- Listing
- Built from public records. Not claimed yet, so call them directly.
G L Contractors Inc
LA Puente, CA · WC ✓ · 10 mi away
Proof for G L Contractors Inc
- License
- CSLB 1002001
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C16 Fire Protection; C36 Plumbing
- Expires
- Mar 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- LA Puente, CA · serves California
- Phone
- (626) 786-5565
- Listing
- Built from public records. Not claimed yet, so call them directly.
G & Z Fire LLC
LA Puente, CA · WC ✓ · 10 mi away
Proof for G & Z Fire LLC
- License
- CSLB 1045930
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C16 Fire Protection
- Expires
- Dec 31, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- LA Puente, CA · serves California
- Phone
- (626) 461-4158
- Listing
- Built from public records. Not claimed yet, so call them directly.
General Underground Fire Protection Inc
Anaheim, CA · 11 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.
Geyser Sprinkler Solutions Inc
Upland, CA · WC exempt · 11 mi away
Proof for Geyser Sprinkler Solutions Inc
- License
- CSLB 1126610
- 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
- Upland, CA · serves California
- Phone
- (323) 919-9661
- Listing
- Built from public records. Not claimed yet, so call them directly.
Gf Construction
South El Monte, CA · WC ✓ · 14 mi away
Proof for Gf Construction
- License
- CSLB 975442
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C16 Fire Protection; C36 Plumbing
- Expires
- Jul 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- South El Monte, CA · serves California
- Phone
- (626) 423-8063
- Listing
- Built from public records. Not claimed yet, so call them directly.
Gold Coast Fire Protection
Whittier, CA · WC ✓ · 12 mi away
Proof for Gold Coast Fire Protection
- License
- CSLB 1013690
- 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
- Whittier, CA · serves California
- Phone
- (562) 656-9028
- Listing
- Built from public records. Not claimed yet, so call them directly.
Guerrero Fire Protection Inc
Ontario, CA · WC ✓ · 13 mi away
Proof for Guerrero Fire Protection Inc
- License
- CSLB 996238
- 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
- Ontario, CA · serves California
- Phone
- (626) 201-8207
- Listing
- Built from public records. Not claimed yet, so call them directly.
H 2 O Fire Protection Inc
Glendora, CA · WC ✓ · 11 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.
H2O Fire Protection Inc
La Verne, CA · 11 mi away
Proof for H2O Fire Protection Inc
- USDOT registration
- US-DOT 3062039
- Issuer
- US-DOT
- Status
- Active
- Class
- Private motor carrier
- Checked
- Oct 23, 2026
- Where
- La Verne, CA · serves California
- Phone
- (909) 394-7979
- Listing
- Built from public records. Not claimed yet, so call them directly.
Harris Fire Protection Inc
Orange, CA · WC ✓ · 13 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.
Hci Sprinkler Inc
Ontario, CA · WC ✓ · 13 mi away
Proof for Hci Sprinkler Inc
- License
- CSLB 1005968
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C10 Electrical; C16 Fire Protection
- Expires
- Jul 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Ontario, CA · serves California
- Phone
- (909) 628-7773
- Listing
- Built from public records. Not claimed yet, so call them directly.
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