| Business | Phone |
| Amc Cancer Research Center 2403 Aramingo Ave, Philadelphia 19125 | (267) 514-2150 |
| Annenberg Research Institute 420 Walnut St, Philadelphia 19106 | (215) 238-1290 |
| Branch Associates 123 S Broad St # 1910, Philadelphia 19109 | (215) 731-9980 |
| Cns Research Institute 2827 Tyson Ave, Philadelphia 19149 | (215) 624-1300 |
| County House Research 42 S 15th St # 1710, Philadelphia 19102 | (215) 717-7433 |
| Crime & Justice Research Inst 1515 Market St # 425, Philadelphia 19102 | (215) 627-3766 |
| Crime Control Research Corp 3507 Baring St, Philadelphia 19104 | (215) 243-1130 |
| Cultural Studies & Analysis 1123 Montrose St, Philadelphia 19147 | (215) 413-9041 |
| F Wilson Research 2231 N Broad St, Philadelphia 19132 | (215) 765-1733 |
| Foreign Policy Research Inst 1528 Walnut St # 610, Philadelphia 19102 | (215) 732-3774 |
| Gp Feldman Research Corp 8040 Roosevelt Blvd, Philadelphia 19152 | (215) 481-4024 |
| Hanson Research Group 8125 Frankford Ave, Philadelphia 19136 | (215) 335-5422 |
| Hem Research 1 Penn Ctr, Philadelphia 19103 | (215) 988-9542 |
| Industrial Relations Research 2833 Cottman Ave, Philadelphia 19149 | (610) 660-3373 |
| National Disease Research 1880 John F Kennedy Blvd, Philadelphia 19103 | (215) 557-7361 |
| Pine Street Research 216 Pine St, Philadelphia 19106 | (215) 625-2897 |
| Research Corp Of America 6435 Castor Ave, Philadelphia 19149 | (215) 537-8151 |
| Research For Action 3701 Chestnut St, Philadelphia 19104 | (215) 823-2500 |
| Treatment Research Institute 600 Independence Sq W # 600, Philadelphia 19106 | (215) 399-0980 |
| Treatment Research Institute 600 Public Ledger Bldg, Philadelphia 19103 | (215) 399-0980 |