| Business | Phone |
| Bullfrog Spas 111 S 24th St W # 30, Billings 59102 | (406) 656-8250 |
| Rocky Mountain Leisure Spas 2132 Grand Ave, Billings 59102 | (406) 256-1900 |
| Poolco 1106 Main St, Billings 59105 | (406) 248-2021 |
| Hot Spring Spas Of Montana 2217 Grand Ave, Billings 59102 | (406) 652-7727 |
| K 2 Spas & Sports 520 Wicks Ln # 5, Billings 59105 | (406) 254-0102 |