- Business Planning Group
- Business Planning Group
- Delta Associates
- Delta Associates
- Delta Associates
- IDC-Link
- IDC-Link
- International Data Corp
- International Data Corp
- Mind Wave Research Inc
- Mind Wave Research Inc
- Opinion Analysts Inc
- Opinion Analysts Inc
- Shipley & Assoc Inc
- Shipley & Assoc Inc
- Symmetrics Marketing Corp
- Symmetrics Marketing Corp
- Synovate
- Synovate
