| Business | Phone |
| Achiron/Mc Tique 205 Main St, Westport 6880 | (203) 454-5524 |
| Wolff Advertising 6 Edgewater Rd, Westport 6880 | (203) 227-9712 |
| Worldplay 39 Richmondville Ave, Westport 6880 | (203) 221-0303 |
| Worlds Smallest Ad Agency 979 Post Rd E, Westport 6880 | (203) 222-9224 |
| Vogt Goldstein Inc 125 Main St, Westport 6880 | (203) 226-4825 |
| Bird Bonette Stauderman Inc 49 Riverside Ave, Westport 6880 | (203) 454-8781 |
| Chowder Inc 166 Long Lots Rd, Westport 6880 | (203) 255-1340 |
| Concepts & Strategies Inc 2 Hazelnut Rd, Westport 6880 | (203) 227-4903 |
| Robbett Advocacy Media 830 Post Rd E # 301, Westport 6880 | (203) 222-8146 |
| Redington Inc 49 Richmondville Ave # 210, Westport 6880 | (203) 222-7399 |
| Doug Kelley Graphic Design 49 Richmondville Ave, Westport 6880 | (203) 454-2339 |
| Euro Rscg Brann North America 274 Riverside Ave # 5, Westport 6880 | (203) 221-4608 |
| Nuart 49 Richmondville Ave # 201, Westport 6880 | (203) 222-8181 |
| O'Halloran Advertising Inc 270 Saugatuck Ave, Westport 6880 | (203) 341-9400 |
| Gray & Graham Inc 136 Main St, Westport 6880 | (203) 227-3900 |
| Meridian Euro Rscg 274 Riverside Ave # 3, Westport 6880 | (203) 221-8033 |
| Happy Dog 181 Post Rd W, Westport 6880 | (203) 226-3171 |
| Marketing Module Inc 335 Post Rd W, Westport 6880 | (203) 222-9597 |
| Medical Education Consultants 1221 Post Rd E, Westport 6880 | (203) 226-9090 |
| Health Management Solutions 8 Wright St, Westport 6880 | (203) 221-4999 |
| Lane Advertising 49 Richmondville Ave, Westport 6880 | (203) 226-9635 |
| Leverte Associates 8 Wright St # 1, Westport 6880 | (203) 221-4900 |
| J Caruso & Assoc 50 Post Rd W, Westport 6880 | (203) 222-7722 |
| John Fatteross Communications 1720 Post Rd E # 214, Westport 6880 | (203) 319-9380 |
| John Franklin Communications 5 Davis Ln, Westport 6880 | (203) 255-4377 |
| Jump Advertising Marketing 44 Crawford Rd, Westport 6880 | (203) 226-0919 |