| Business | Phone |
| Oklahoma City Water Util Trust 420 W Main St # 500, Oklahoma City 73102 | (405) 232-6238 |
| Veolia Water North America 1601 Ne 101st St, Oklahoma City 73131 | (405) 478-3374 |
| Moore Wastewater Treatment 4000 S Service Rd, Oklahoma City 73160 | (405) 793-5086 |