| Business | Phone |
| Champion Stamp Co Inc 430 W 54th St, New York 10019 | (212) 489-8130 |
| Goldsil Coin Co 116 Nassau St, New York 10038 | (212) 349-1420 |
| J R Stamps 110 W 25th St, New York 10001 | (212) 807-6477 |
| Jumbo Philatelic Co 88 E Broadway # 18, New York 10002 | (212) 625-9404 |
| Pollak Stamps 303 5th Ave # 1209, New York 10016 | (212) 545-7630 |
| Tambre International 579 5th Ave # 1000, New York 10017 | (212) 755-1977 |