- Tait, Charles
- Taunt & Co.
- Thill, Ern
- Thunder & Clayden
- Tichnor Bros
- Tito (Editions)
- To-Foto
- Toubis, M
- Town & Country Prints
- Trimboli
- Trojaborgs Forlag
- Tropic Postcards
- Tuck, Raphael
- Tzaferis, E
- Ulrich, Aubert
- Unichrome
- Valentine's
- Van Leers
- van Maarseveen, Dick
- Vicary, P A
- Virgin Island Postcard Company
- VOG (Editions)
- Wardell's
- Waterline International
- Webster, H
- Whiteholme
- Wiener
- Woodmansterne Publications
- World Ship Society
- World Ships
- Worsching, Richard
- Wright & Logan
- Wright, Stan V
- Yvon (Editions d'Art)