| Business | Phone |
| Arby's Research & Development 4926 E 49th St, Tulsa 74135 | (918) 665-0296 |
| Crosstown Research Center 20 E 5th St, Tulsa 74103 | (918) 588-9600 |
| Full Circle Svc Inc 1820 S Boulder Ave # 300, Tulsa 74119 | (918) 582-5522 |
| Invivo Research 2511 S Harvard Ave, Tulsa 74114 | (918) 744-0716 |
| Multicultural Connections 6106 S Memorial Dr, Tulsa 74133 | (918) 252-1213 |
| Structural Dynamics Research 1831 E 71st St, Tulsa 74136 | (918) 492-7237 |
| Patterson Research Inc 2448 E 81st St, Tulsa 74137 | (918) 495-1991 |
| Research Solutions Inc 1145 S Utica Ave, Tulsa 74104 | (918) 592-9798 |