| Weston Winery Dunedin |
|
| Whitehead & Morris |
|
| William Sessions Ltd |
|
| Wilton Graphics, Salisbury |
|
| Wirral Press |
|
| Wyatt & Wilson Print |
|
| Wyatt & Wilson, New Zealand |
|
| Wyke Printers Ltd., Hull. |
|
| Wyon |
|
| Yourstamps |
|
| Yourstamps (Berlin, Germany) |
|
| YPK |
|
| Yugoslav printing house |
|
| Yvon Boulanger, Quebecor |
|
| Zakl. Tisk. Narodnih Novina Zagreb |
|
| Zanzibar Gazette (O) |
|
| Zemaljska Printing House |
|
| ZIN |
|
| Zrinski Tiskarsko |
|