| World Championship Wrestling | Atlanta | October 11, 1988 | 1 |
| World Federation of Trade Unions | Athens | October 3, 1945 | 1 |
| World Video Bible School | — | — | 1 |
| World Wide Films | Westburry Tower Office | 2015 | 1 |
| WorldStarHipHop | — | 2005 | 1 |
| Worldwide Biggies | New York City | 2005 | 1 |
| Worldwide Pants | New York City | 1991 | 1 |
| Wychwood Pictures | — | — | 1 |
| Xarxa Audiovisual Local | Barcelona | November 15, 2012 | 1 |
| Xinhua Film Company | — | 1934 | 1 |
| XIX Entertainment | London | 2010 | 1 |
| Xunta de Galicia | — | 1981 | 1 |
| Y3 film Hans Weingärtner Filmproduktion | Berlin | — | 1 |
| Yamaguchi Center for Arts and Media | — | — | 1 |
| Yan'an Film Studio | Yan'an | 1946 | 1 |
| Ying Wa Girls' School | — | 1900 | 1 |
| Yoodlee films | — | — | 1 |
| YRF Entertainment | Los Angeles | 2007 | 1 |
| Yung Hwa Motion Picture Industries | — | 1947 | 1 |
| Zak Productions | Marrakech | 1995 | 1 |
| ZDF Studios | Mainz | 1993 | 1 |
| Zee Entertainment Enterprises | Mumbai | October 1992 | 1 |
| Zee Talkies | — | 2007 | 1 |
| Zeitgeist Films | New York City | 1988 | 1 |
| Zeitraum Film | — | — | 1 |
| Zerr Film | — | — | 1 |
| Zespół Filmowy „Plan” | — | June 15, 1968 | 1 |
| ZIV International | — | 1971 | 1 |
| Zodiak Kids & Family France | France | February 1990 | 1 |
| Zomba Group of Companies | New York City | 1981 | 1 |
| Zone 3 | — | 2000 | 1 |
| Zucker Brothers Productions | — | — | 1 |
| Zulu film | — | — | 1 |
| À Punt Mèdia | Burjassot | April 5, 2017 | 1 |
| Épicentre Films | — | — | 1 |
| Île-de-France | — | June 4, 1960 | 1 |
| ŠKUC | Ljubljana | — | 1 |
| 2:10 AM Animation | Wuhan | September 8, 2011 | — |
| 4Kids TV | — | September 14, 2002 | — |
| A1Plus Film Production | Vienna | — | — |
| AA Visioon Stuudio | — | 1997 | — |
| AB Productions | Saint-Denis | 1977 | — |
| ABC Television Limited | London | 1956 | — |
| AbemaNews | Tokyo | April 2015 | — |
| AbemaTV | Udagawachō, Maruyamachō, Shinsenchō | April 2015 | — |
| Abingdon Film Unit | Abingdon-on-Thames | 2003 | — |
| ABS-CBN Studios | Diliman | 1962 | — |
| Advent Film Group | Purcellville | 2007 | — |