| Business | Phone |
| Tri County Water Treatment 3111 N Prospect Rd, Peoria 61603 | (309) 688-1300 |
| Hugh Saxe Enterprises Inc 3701 N Sheridan Rd, Peoria 61614 | (309) 686-0110 |
| Quality Water Specialists Co 910 E Corrington Ave, Peoria 61603 | (309) 685-9119 |
| Ionics-Dynamic Water Systems Peoria 61604 | (309) 688-4202 |