| Business | Phone |
| Electronic Payment Systems 4214 Fleur Dr, Des Moines 50321 | (515) 285-4515 |
| Eds Corp 3600 Army Post Rd, Des Moines 50321 | (515) 237-4435 |
| Sirius Computer Solutions Des Moines 50310 | (515) 270-1346 |
| Midwest Computer Svc 4717 University Ave, Des Moines 50311 | (515) 271-8854 |