| Business | Phone |
| Tri-Tech Manufacturing 2693 Commerce Rd # E, Rapid City 57702 | (605) 721-9780 |
| R J Concepts Inc 1508 Mount Rushmore Rd, Rapid City 57701 | (605) 342-3232 |
| Innovative Concepts 2963 Commerce Rd # B, Rapid City 57701 | (605) 355-6974 |
| Kintz Mercantile Products 5695 Cleghorn Canyon Rd, Rapid City 57702 | (605) 341-3560 |