| Business | Phone |
| Yengst Associates Inc 35 Old Ridgefield Rd, Wilton 6897 | (203) 762-8096 |
| Bonnist Research Inc 21 Woodland Pl, Wilton 6897 | (203) 834-0455 |
| Odyssey 73 Old Ridgefield Rd, Wilton 6897 | (203) 762-9201 |
| Fyi World Wide 644 Danbury Rd, Wilton 6897 | (203) 762-1680 |
| Greenfield Online Inc 21 River Rd # 2000, Wilton 6897 | (203) 834-8585 |
| Media Market Assessment 15 River Rd # 101, Wilton 6897 | (203) 834-3300 |