| Business | Phone |
| Cis Internet Svc Clinton 52732 | (563) 242-0529 |
| Computer Information Svc 211 5th Ave S, Clinton 52732 | (563) 243-2001 |
| Mediacom Communications 112 N 2nd St, Clinton 52732 | (563) 243-6350 |
| Sana Systems 211 5th Ave S, Clinton 52732 | (563) 242-5770 |
| Worldwide Software Svc 211 5th Ave S, Clinton 52732 | (563) 242-6400 |