| Business | Phone |
| Telemarketing Verification 12000 N Dale Mabry Hwy, Tampa 33618 | (813) 963-2652 |
| Third Wave Solutions Inc Tampa 33607 | (813) 870-6141 |
| Sitel 5701 E Hillsborough Ave, Tampa 33610 | (813) 635-4000 |
| One Nation Inc 324 N Dale Mabry Hwy # 201, Tampa 33609 | (813) 873-8941 |
| Onit Enterprises 221 W Waters Ave, Tampa 33604 | (813) 930-6000 |
| Dial America Marketing Inc 1238 Tech Blvd, Tampa 33619 | (813) 620-3373 |
| Inteleservices Inc 5730 Hoover Blvd, Tampa 33634 | (813) 814-1415 |
| Itg Intl Telemarket 4465 W Gandy Blvd, Tampa 33611 | (813) 839-8125 |