| Business | Phone |
| Card Pro 15835 Northwest Fwy, Houston 77040 | (713) 849-5522 |
| Universal Merchant Svc 15805 Lakeview Dr, Houston 77040 | (713) 466-9506 |
| Merchant Banc Card Svc 7322 Southwest Fwy, Houston 77074 | (713) 981-3889 |
| Security Card Svcswayne 10333 Richmond Ave 150, Houston 77042 | (713) 781-5151 |
| Solutions Heritagecard 888 W Sam Houston Pkwy S, Houston 77042 | (713) 974-3795 |
| Aboutbankcardsandchecks.Com 3410 Mangum Rd, Houston 77092 | (713) 290-0443 |
| Access Commercial Svc 11211 Katy Fwy, Houston 77079 | (713) 461-2707 |
| Bankcard Central Of Texas 7457 Harwin Dr, Houston 77036 | (713) 334-7770 |
| Calsco Inc 12126 Arrowhead Glen Dr, Houston 77071 | (713) 981-8944 |
| Cardtronics 12150 Fondren Rd, Houston 77035 | (713) 723-7542 |
| Cardtronics 3110 Hayes Rd, Houston 77082 | (281) 596-9988 |
| Cartronics 3110 Hayes Rd, Houston 77082 | (281) 920-0345 |
| Chase Merchant Svc 9525 Bissonnet St, Houston 77036 | (713) 774-0889 |
| Cpc 18627 State Highway 249, Houston 77070 | (281) 890-3322 |
| Credit Card Processing 18051 Garden Manor Dr, Houston 77084 | (713) 863-8616 |
| Debit Network 530 N Sam Houston Pkwy E, Houston 77060 | (281) 260-0900 |
| Diversified Acquiring Solution 6111 Vicki John Dr, Houston 77096 | (713) 771-0008 |
| E Switch Com 3200 Kirby Dr, Houston 77098 | (713) 520-6146 |
| E-Switch 10849 Kinghurst St, Houston 77099 | (281) 530-4502 |
| Federal Dataprocessing 600 Kenrick Dr, Houston 77060 | (281) 447-7200 |
| First National Bankcard Procng 723 Main St, Houston 77002 | (713) 226-7444 |
| First Savings Bank Card 505 N Sam Houston Pkwy E, Houston 77060 | (281) 272-9128 |
| Millinx Inc 10333 Harwin Dr, Houston 77036 | (713) 541-5410 |
| Merchant Services Intl 955 Dairy Ashford St 207, Houston 77079 | (281) 497-0554 |
| Merchant Support Systems Inc 1221 S Shepherd Dr, Houston 77019 | (713) 522-7171 |
| Merchant Svc 3013 Fountain View Dr 170, Houston 77057 | (832) 252-1646 |
| Merchants Choice Card Svc 2901 W Sam Houston Pkwy N, Houston 77043 | (713) 462-3200 |
| Merchants Choice Card Svc 3000 Hayes Rd, Houston 77082 | (281) 596-9975 |
| Merchants Toolbox Com 17314 Tomball Pkwy, Houston 77064 | (281) 955-1900 |
| Legacy Merchant 2855 Mangum Rd, Houston 77092 | (713) 682-2634 |
| Jon August Co 525 N Sam Houston Pkwy E # 210, Houston 77060 | (281) 847-5066 |
| Integrity Of Texas 519 N Sam Houston Pkwy E 300, Houston 77060 | (281) 260-8700 |
| National Data Corp 2211 Norfolk St, Houston 77098 | (713) 874-0913 |
| National Data Corp 811 Rusk St, Houston 77002 | (713) 216-7510 |
| Nations Ban Card 5373 W Alabama St, Houston 77056 | (713) 465-9299 |
| Prestige Merchant Services 10101 Fondren Rd, Houston 77071 | (832) 413-2273 |