| Business | Phone |
| Avera Communication Llc 3900 W Avera Dr, Sioux Falls 57108 | (605) 331-5500 |
| Csd Relay 105 N Krohn Pl, Sioux Falls 57103 | (605) 333-7702 |
| Express Communications 2900 W 10th St, Sioux Falls 57104 | (605) 334-7432 |
| Prairie Wave Communications 5100 S Broadband Ln, Sioux Falls 57108 | (605) 965-9393 |
| Orbitcom 1701 N Louise Dr, Sioux Falls 57107 | (605) 977-6900 |