| Business | Phone |
| 210 Communications 506 3rd St, Des Moines 50309 | (515) 237-0681 |
| Dynamic Communications Llc 1451 Ne 69th Pl, Des Moines 50313 | (515) 289-0422 |
| Ascend Communications 2600 Grand Ave 312, Des Moines 50312 | (515) 288-9507 |
| Written Solutions 1011 Locust St 401, Des Moines 50309 | (515) 248-1808 |
| Global Signal Inc 3801 Dean Ave, Des Moines 50317 | (515) 266-3211 |