| Business | Phone |
| Tangent Manufacturing Of Co 1995 S Valentia St, Denver 80231 | (303) 366-1990 |
| Spa Fix 1190 S Cherokee St, Denver 80223 | (303) 777-7727 |
| Spa Water Care 1001 E Bayaud Ave # 1108, Denver 80209 | (303) 744-2524 |
| Spa Water Care Llc 1444 S Humboldt St, Denver 80210 | (303) 744-2524 |