| Business | Phone |
| Dart Stamp & Coin Shop 130 Dolson Ave # 3a, Middletown 10940 | (845) 343-2716 |
| Henry Gitner Philatelists Inc 53 Highland Ave, Middletown 10940 | (845) 343-5151 |
| Martin Kintish Stamps Po Box 757, Middletown 10940 | (845) 692-5225 |
| Quality Investors Ltd 1 North St, Middletown 10940 | (845) 343-2174 |