| Business | Phone |
| Acceptance Low Cost Credit Svc Denver 80216 | (303) 308-1939 |
| Lynk System 4600 S Syracuse St # 900, Denver 80237 | (303) 946-8263 |
| Cardservice International 3773 Cherry Creek North Dr, Denver 80209 | (303) 331-6193 |
| Colorado Merchant Svc 123 Cook St # 103, Denver 80206 | (303) 770-6027 |
| Great Western Bank Card 910 16th St, Denver 80202 | (303) 534-2273 |
| Visa Usa 950 17th St, Denver 80202 | (303) 615-9031 |
| Jackson Merchant Specialists 1955 Sherman St, Denver 80203 | (303) 832-1333 |
| Lynk Systems 2000 S Colorado Blvd, Denver 80222 | (303) 759-9183 |
| Merchant One Payment Systems Denver 80206 | (303) 329-4636 |