| Business | Phone |
| Acme Sprinkler Svc Co 645 S Clark St, Chicago 60605 | (312) 922-3644 |
| Fireflow Testing Svc 7429 W Estes Ave, Chicago 60631 | (773) 774-2410 |
| Firemen 24 7 3756 S Parnell Ave, Chicago 60609 | (773) 496-5210 |
| Dependable Fire Equipment Inc 4750 N Milwaukee Ave, Chicago 60630 | (773) 283-1860 |