| Business | Phone |
| Active Industry Research Inc 9861 Brokenland Pkwy # 200a, Columbia 21046 | (410) 381-6800 |
| Arbitron 9705 Patuxent Woods Dr, Columbia 21046 | (410) 312-8000 |
| Consortium Health Plans 10490 Little Patuxent Pkwy, Columbia 21044 | (410) 772-2900 |
| Consumer Pulse 10300 Little Patuxent Pkwy, Columbia 21044 | (410) 772-1440 |
| Cynovate Healthcare 9175 Guilford Rd # 202, Columbia 21046 | (301) 317-1000 |
| Jackson Organization 6996 Columbia Gateway Dr, Columbia 21046 | (410) 884-0084 |
| Orc Macro International 7079 Oakland Mills Rd, Columbia 21046 | (301) 854-0603 |