| Business | Phone |
| Advantage Research-Columbus 445 N High St, Columbus 43215 | (614) 228-8442 |
| Vogt Williams & Bowen 869 Goodale Blvd, Columbus 43212 | (614) 225-9500 |
| B & B Research Svc Inc 1365 Grandview Ave, Columbus 43212 | (614) 486-6746 |
| Strategic Research Group Llc 995 Goodale Blvd, Columbus 43212 | (614) 220-8860 |
| Strategy Team 64 Overbrook Dr, Columbus 43214 | (614) 447-8844 |
| Boulevard Strategies 142 Wilber Ave, Columbus 43215 | (614) 294-2072 |
| State Science & Technology 751 Northwest Blvd, Columbus 43212 | (614) 901-1690 |
| Sonicrim Limited 1086 N 4th St, Columbus 43201 | (614) 298-6844 |
| Sage R & D 1212 Chesapeake Ave, Columbus 43212 | (614) 481-4088 |
| Saperstein Associates 4555 N High St, Columbus 43214 | (614) 261-0065 |
| Rothstein Tauber Inc 2525 Tiller Ln # 103, Columbus 43231 | (614) 901-0722 |
| Cji Research Corp 180 S Ardmore Rd, Columbus 43209 | (614) 338-1008 |
| Prince & Prince Inc 331 W 4th Ave, Columbus 43201 | (614) 299-4050 |
| Delve 7634 Crosswoods Dr, Columbus 43235 | (614) 436-2025 |
| Dwight Spencer Research Inc 1290 Grandview Ave, Columbus 43212 | (614) 488-3123 |
| Mjl Enterprises 1200 Chambers Rd, Columbus 43212 | (614) 586-1447 |
| Marketing Backup 833 Bluffway Dr, Columbus 43235 | (614) 844-5740 |
| Lextant Corp 580 N 4th St, Columbus 43215 | (614) 228-9711 |