| Business | Phone |
| Hickory Tax Svc Inc 2315 Falls Ave 4, Waterloo 50701 | (319) 226-3954 |
| Liberty Tax Svc 822 Laporte Rd, Waterloo 50702 | (319) 234-1700 |
| Quick Cash 918 W 5th St, Waterloo 50702 | (319) 233-0449 |
| Security Tax Svc 2315 Falls Ave, Waterloo 50701 | (319) 235-0971 |
| Thomas Tax Svc 31 Lafayette St, Waterloo 50703 | (319) 235-0267 |
| Ellison Tax Svc 523 Kingsley Ave, Waterloo 50701 | (319) 233-4458 |
| G & I Tax Svc 2315 Falls Ave, Waterloo 50701 | (319) 232-5485 |
| H & R Block Tax Svc 1010 E Mitchell Ave, Waterloo 50702 | (319) 235-7332 |
| H & R Block Tax Svc 1334 Flammang Dr, Waterloo 50702 | (319) 233-8027 |
| H & R Block Tax Svc 2060 Crossroads Blvd, Waterloo 50702 | (319) 233-1989 |
| Zimmer & Co 535 Western Ave, Waterloo 50702 | (319) 291-7216 |
| H & R Block Tax Svc 2750 University Ave, Waterloo 50701 | (319) 334-4735 |