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Fire extinguisher and sprinkler inspection in Ontario, CA

162 state-licensed fire protection companies work within 40 miles of Ontario, 5 of them based in town.

162 licensed for sprinklers

Licensed fire inspection companies near Ontario

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V M B Fire Protection Co

90/100
✓ California C-16 fire protection contractor license on record #835439 ★ 3.3 (7 reviews) Fire Sprinkler Inspection

1164 W Holt Blvd, Ontario, CA 91762 · under 1 mile from Ontario

Call (909) 983-6700 Details Website
Verified Oct 2026 · Unclaimed listing

Hci Systems INC

90/100
✓ California C-16 fire protection contractor license on record #905493 ★ 3.8 (24 reviews) Fire Sprinkler Inspection

1219 E Elm St, Ontario, CA 91761 · 3 mi from Ontario

Call (909) 628-7773 Details Website
Verified Oct 2026 · Unclaimed listing

Hedrick Fire Protection

90/100
✓ California C-16 fire protection contractor license on record #925132 ★ 4.6 (48 reviews) Fire Sprinkler Inspection

13309 Central Ave, Chino, CA 91710 · 3 mi from Ontario

Call (909) 613-0083 Details Website
Verified Oct 2026 · Unclaimed listing

I S Firepro

90/100
✓ California C-16 fire protection contractor license on record #740006 Fire Sprinkler Inspection

1142 S Diamond Bar Blvd Unit 846, Diamond Bar, CA 91765 · 9 mi from Ontario

Call (626) 290-1378 Details Website
Verified Oct 2026 · Unclaimed listing

E L C A Fire Protection

80/100
✓ California C-16 fire protection contractor license on record #897188 Fire Sprinkler Inspection

11212 Roswell Ave, Pomona, CA 91766 · 3 mi from Ontario

Call (909) 631-6673 Details
Verified Oct 2026 · Unclaimed listing

DMG Fire Protection

80/100
✓ California C-16 fire protection contractor license on record #1062041 Fire Sprinkler Inspection

2313 E Philadelphia St Unit f, Ontario, CA 91761 · 4 mi from Ontario

Call (626) 548-8663 Details
Verified Oct 2026 · Unclaimed listing

Echo Fire Protection Co

90/100
✓ California C-16 fire protection contractor license on record #429191 ★ 5 (4 reviews) Fire Sprinkler Inspection

735 E Arrow Hwy H, Azusa, CA 91702 · 13 mi from Ontario

Call (626) 331-0819 Details Website
Verified Oct 2026 · Unclaimed listing

Fire Sprinkler Systems INC

90/100
✓ California C-16 fire protection contractor license on record #684600 ★ 4.6 (18 reviews) Fire Sprinkler Inspection

705 E Harrison St Ste 200, Corona, CA 92879 · 14 mi from Ontario

Call (800) 915-3473 Details Website
Verified Oct 2026 · Unclaimed listing

On California's license lists in Ontario

TownName on the listLicense classesLicenseExpiresPhone
Ontario Advanco Fire Protection INC C-16 fire protection contractor 631600 Nov 2027 (909) 460-2510
California Blaze Protection LLC C-16 fire protection contractor 1135952 Apr 2027 (909) 921-5303
DMG Fire Protection C-16 fire protection contractor 1062041 Jan 2028 (626) 548-8663
Fairchild Plumbing & Mechanical INC C-16 fire protection contractor 606705 Nov 2026 (909) 391-4646
Fire Solution Masters Corp C-16 fire protection contractor 1149321 Jan 2028 (626) 260-3713
GC Construction & Fire Protection INC C-16 fire protection contractor 1113745 Dec 2027 (909) 472-2919
Guerrero Fire Protection INC C-16 fire protection contractor 996238 Aug 2028 (626) 201-8207
Hci Systems INC C-16 fire protection contractor 905493, 1005968 Jul 2027 (909) 628-7773
JN Construction INC C-16 fire protection contractor 1001396, 1080741 Feb 2027 (323) 378-0109
Southland Fire Protection Co C-16 fire protection contractor 774844 Feb 2028 (909) 322-4473

Never miss your annual fire inspection

Fire extinguishers need a maintenance check every year by a licensed company, and sprinkler, alarm and kitchen hood systems have their own schedules. Tell us when your last inspection was in Ontario and we'll text you a month before the next one is due, with licensed companies near you.

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Fire inspection questions in Ontario

Where are the fire protection companies listed for Ontario based?

162 fire protection companies are listed within 40 miles of Ontario. 5 are based in Ontario itself, 29 more within 15 miles and 128 further out, up to 40 miles away. Other towns with more than one listing: Los Angeles (16), Anaheim (12) and Glendale (10). The closest is Guerrero Fire Protection INC, under 1 mile from Ontario.

What are the fire protection companies near Ontario licensed for?

Of the 162 within 40 miles, all 162 hold a sprinkler license, on lists published by Contractors State License Board (California). Those lists place 10 licensed offices in Ontario itself.

How many of the fire protection companies near Ontario have Google reviews?

78 of the 162 listed for Ontario have 3 or more Google reviews. Black Bird Fire Protection INC has the most reviews, 434, with an average of 4.9 stars, as Google showed them at our last check.

License list: List by Classification: C-16 Fire Protection Contractor, Contractors State License Board (California).

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