| Business | Phone |
| Cue's Janitor Supply 1600 Lafayette St, Waterloo 50703 | (319) 234-0422 |
| Inter-City Janitorial Svc 4722 E Washburn Rd, Waterloo 50706 | (319) 296-3304 |
| James & Sons Maintenance Svc 718 Denver St, Waterloo 50702 | (319) 233-5133 |
| Klean Sweep Waterloo 50701 | (319) 833-7873 |
| Mid-America Janitorial 540 Boston Ave, Waterloo 50703 | (319) 235-9502 |
| Midwest Janitorial Svc 2831 Falls Ave, Waterloo 50701 | (319) 233-6787 |
| Clean Sweep Po Box 1973, Waterloo 50704 | (319) 236-1363 |
| Personal Touch Janitorial Svc 1236 Edgewood Dr, Waterloo 50701 | (319) 233-1590 |
| Randall Cleaning Svc 923 W 3rd St, Waterloo 50701 | (319) 290-4720 |
| Rice Maintenance/Janitorial 1118 Midland St, Waterloo 50703 | (319) 236-0697 |
| Shirley's Broom Closet 505 Lakeside St, Waterloo 50703 | (319) 234-8792 |
| Detail Cleaning 1606 Aspen Dr, Waterloo 50701 | (319) 230-8592 |
| Professional Building Svc 1600 Lafayette St, Waterloo 50703 | (319) 232-3958 |
| We Clean Janitorial Co 409 State St, Waterloo 50703 | (319) 235-6139 |