| Business | Phone |
| A C Nielsen Bases 55 Greens Farms Rd, Westport 6880 | (203) 222-2100 |
| A Schnapp & Assoc 44 Post Rd W, Westport 6880 | (203) 221-7130 |
| Zeworks 179 Post Rd W, Westport 6880 | (203) 226-0791 |
| Alcone Marketing Group 320 Post Rd E, Westport 6880 | (203) 656-3555 |
| Wergeles & Assoc Inc 980 Post Rd E # 106, Westport 6880 | (203) 227-2048 |
| Altamira 25 Sylvan Rd S # D, Westport 6880 | (203) 227-1445 |
| American Venture Marketing 441 Main St, Westport 6880 | (203) 221-1523 |
| Applied Information 15 Ketchum St, Westport 6880 | (203) 226-0316 |
| Tween Waters Mktng Alliance 274 Riverside Ave # 2, Westport 6880 | (203) 341-0557 |
| Team Pr All-Star Public 181 Post Rd W, Westport 6880 | (203) 454-8880 |
| Blue Engine 24 Post Rd E, Westport 6880 | (203) 222-7941 |
| Brightmark Consulting 119 Post Rd E, Westport 6880 | (203) 227-8333 |
| Commons Management 14 Wakeman Pl, Westport 6880 | (203) 227-9377 |
| Concept One Communications 1 Turkey Hill Rd S, Westport 6880 | (203) 221-1118 |
| Copernicus 315 Post Rd W, Westport 6880 | (203) 221-7100 |
| Corwin Associates 138 Greens Farms Rd, Westport 6880 | (203) 341-9223 |
| Robert A Wachsler Inc 14 Cob Dr, Westport 6880 | (203) 226-7939 |
| Custom Growth Blau-Moritz 37 Franklin St # 210, Westport 6880 | (203) 226-8795 |
| Rainmaker Media 25 Imperial Ave, Westport 6880 | (203) 226-4606 |
| Reach Marketing 1 Sylvan Rd N, Westport 6880 | (203) 222-3377 |
| Priority Group Inc 203 Greens Farms Rd, Westport 6880 | (203) 256-8851 |
| Phaze4 Sales & Marketing 274 Riverside Ave, Westport 6880 | (203) 227-1231 |
| Pmc 544 Riverside Ave, Westport 6880 | (203) 227-8478 |
| Penfield Marketing Group 495 Post Rd E # 1, Westport 6880 | (203) 226-7887 |
| New England Consulting Group 55 Greens Farms Rd # 2, Westport 6880 | (203) 226-9200 |
| Momentum Marketing Sales 15 Riverside Ave, Westport 6880 | (203) 227-5951 |
| Merkle Data Base Marketing 125 Main St # 4, Westport 6880 | (203) 226-6757 |
| Michael Allen Co 8 Wright St, Westport 6880 | (203) 221-7900 |
| Michael Scavone Inc 21 Wright St, Westport 6880 | (203) 761-9661 |
| Market Dynamics Consultants 61 Hawthorne Ln, Westport 6880 | (203) 454-3435 |
| Marketing Consulting Assoc Llc 1720 Post Rd E # 1, Westport 6880 | (203) 256-9944 |
| Marlin Entertainment 1720 Post Rd E # 3, Westport 6880 | (203) 255-6100 |
| Mason Medical Communications 256 Post Rd E # 204, Westport 6880 | (203) 454-1333 |
| Luther & Co 12 Bradley St, Westport 6880 | (203) 221-3271 |
| Idea Foundation 49 Richmondville Ave # 307, Westport 6880 | (203) 226-4181 |
| Impax Corp 61 Wilton Rd, Westport 6880 | (203) 222-1900 |
| Industrial Group Inc 2854 Sturges Hwy, Westport 6880 | (203) 259-4604 |
| Krausmann & Klomberg 5 Lone Pine Ln, Westport 6880 | (203) 227-3100 |
| Kinetic Communications P.O.Box 2283, Westport 06880 | (203) 599-1939 |