| Shakespeare in the Park | — | — | 1 |
| Shine TV | London | 2000 | 1 |
| Shodensha | Chiyoda | November 1970 | 1 |
| Showtime movie channels | — | 1995 | 1 |
| Showtime Productions | — | 2009 | 1 |
| Sibīrijas bērni | — | — | 1 |
| Signature Entertainment | United Kingdom | 2011 | 1 |
| Sinefekt | — | — | 1 |
| Sinemaku Pictures | — | — | 1 |
| Sinevizyon Film | Istanbul | — | 1 |
| Sintra Film | Rome | — | 1 |
| Siskel/Jacobs Productions | Chicago | 2005 | 1 |
| Sistema Nacional de Apoyo a la Movilización Social | — | June 1971 | 1 |
| Six Point Harness | Los Angeles | 2003 | 1 |
| Skagen/Wadman Film & Video | — | — | 1 |
| Skinworxxx | — | — | 1 |
| Sky Italia | Milan | July 31, 2003 | 1 |
| Skylar Pictures | — | — | 1 |
| Smile Foundation | New Delhi | 2002 | 1 |
| Smilegate | Seongnam | June 11, 2002 | 1 |
| Smithsonian Channel | — | — | 1 |
| Sneaky Shark | Redding | April 2014 | 1 |
| Snowflake Films | — | — | 1 |
| Snowglobe | Copenhagen | July 3, 2015 | 1 |
| Soft On Demand | Tokyo | November 1995 | 1 |
| Sohum Shah Films | Mumbai | — | 1 |
| Sola Digital Arts | Tokyo | 2009 | 1 |
| Solar Entertainment Corporation | Mandaluyong | 2008 | 1 |
| Soleil Film | — | — | 1 |
| Solo:film gmbh | Berlin | — | 1 |
| Sous les titres | — | — | 1 |
| Southern Film Co. | Hong Kong | — | 1 |
| Southwest Indian Foundation | Gallup | — | 1 |
| SP Company | Saint Petersburg | — | 1 |
| Spain | — | December 29, 1978 | 1 |
| Spark Media | Washington, D.C. | 1989 | 1 |
| Speers Film | Dublin | — | 1 |
| Spettacolo Film | — | — | 1 |
| Spicee | — | — | 1 |
| Spiegel TV | Hamburg | 1990 | 1 |
| Spillefilmkompaniet 4½ | — | — | 1 |
| Spring Era Films Co. | — | — | 1 |
| SRF 1 | Zurich | 1958 | 1 |
| Sri Satya Sai Arts | Hyderabad | — | 1 |
| Stampede Entertainment | — | 1993 | 1 |
| Starbucks | Seattle | March 30, 1971 | 1 |
| Stardust Promotion | Sendai | February 24, 1979 | 1 |
| StartAnima | — | — | 1 |