| Business | Phone |
| C S Research 5145 E 65th St, Indianapolis 46220 | (317) 253-1232 |
| Center For Urban Policy 342 N Senate Ave # 3, Indianapolis 46204 | (317) 261-3004 |
| Circle City Research 6433 E Washington St, Indianapolis 46219 | (317) 356-6841 |
| Circle City Research 7150 E Washington St, Indianapolis 46219 | (317) 356-6841 |
| West End Research 5652 Georgetown Rd, Indianapolis 46254 | (317) 297-3042 |
| Walther Oncology Ctr 950 W Walnut St, Indianapolis 46202 | (317) 274-7501 |
| Tele Research Corp 10411 N College Ave, Indianapolis 46280 | (317) 573-5330 |
| Radiant Research 8237 Kentallen Ct, Indianapolis 46236 | (317) 826-2557 |
| Ray Research 4134 Edgemere Ct, Indianapolis 46205 | (317) 541-9642 |
| Northwestern Research Co 3026 Ralston Ave, Indianapolis 46218 | (317) 926-5583 |
| N B Research Inc 7941 Benjamin Dr, Indianapolis 46226 | (317) 546-2686 |