| Business | Phone |
| All School Fundraising 12307 Wetmore Rd, San Antonio 78247 | (210) 403-9958 |
| Americard Banking Systems 10307 Charter Grove St, San Antonio 78230 | (210) 558-4500 |
| Ba Merchant Svc 9311 San Pedro Ave, San Antonio 78216 | (210) 525-7939 |
| Cardpro 4938 Fredericksburg Rd, San Antonio 78229 | (210) 349-5266 |
| Cardservice South Texas 4817 Fredericksburg Rd, San Antonio 78229 | (210) 541-0400 |
| Cardtronics 10110 San Pedro Ave, San Antonio 78216 | (210) 384-8926 |
| Credit Card Merchant Svc 2423 Lockhill Selma Rd, San Antonio 78230 | (210) 249-0270 |
| Hill's Business Solutions 7310 Blanco Rd, San Antonio 78216 | (210) 384-8883 |
| Merchant Financial Svc 6836 San Pedro Ave 108, San Antonio 78216 | (210) 804-2280 |
| Merchant Payment Systems 12126 Valliant St, San Antonio 78216 | (210) 342-5445 |
| Merchant Services Co 10914 Brocks Gap St, San Antonio 78230 | (210) 690-3532 |
| National Data Co 1020 Ne Loop 410, San Antonio 78209 | (210) 829-6111 |
| Optibill 506 Sandau, San Antonio 78216 | (210) 366-0778 |
| T C Merchant Svc 4203 Gardendale St 219c, San Antonio 78229 | (210) 404-1287 |
| Transaction Unlimited Mgmt 11549 Old Perrin Beitel Rd, San Antonio 78217 | (210) 946-5811 |
| Unified Merchant Svc 9901 W Ih 10, San Antonio 78230 | (210) 558-4999 |
| Wholesale Merchant Svc 2423 Lockhill Selma Rd, San Antonio 78230 | (210) 530-9009 |
| Cardtronics 10733 Huebner Rd, San Antonio 78240 | (210) 561-0782 |
| Cardpro 1874 S Ww White Rd, San Antonio 78220 | (210) 648-7504 |
| Dabow-Inc 2810 Thousand Oaks Dr 171, San Antonio 78232 | (210) 481-1110 |
| Approved Merchant Svc 2330 Crosby St, San Antonio 78208 | (210) 530-9008 |
| Processing Systems 19098 Redland Rd, San Antonio 78259 | (210) 545-3500 |
| Millenium Merchant Svc 1100 Nw Loop 410, San Antonio 78213 | (210) 366-8770 |
| Cardservice International 9514 Console Dr, San Antonio 78229 | (361) 765-1660 |