| 3D CineCast |
| Alex4D |
| Amazon |
| Apple Inc. |
| AT&T |
| Avid |
| Ben Schofield |
| bitMAX |
| Bob Edge TV Consulting |
| Broadmedia |
| Cinecert |
| Cinematiq |
| CineTechGeek |
| Cinnafilm |
| Coincident Media |
| Colorfront |
| Comcast (and NBCUniversal) |
| CST |
| Cube-Tec International GmbH |
| Dalet Digital Media Systems |
| Deluxe Entertainment Services Group Inc. |
| Dicentia Studios |
| Dennis Stainken |
| DI Factory |
| Digital Production Partnership |
| Dolby Laboratories, Inc. |
| EIKON Group |
| Elite Media Technologies, LLC |
| Eluvio |
| ETC @ USC |
| EIDR |
| Etere Pte Ltd |
| Eurofins DMS |
| European Broadcasting Union |
| filter Media |
| Fortium Tech |
| Fraunhofer DMT USA |
| Fusion Media |
| GIC |
| Hamm-Lippstadt University of Applied Sciences |
| HBO |
| Hybrik |
| Interra Systems |
| IRT |
| ISAN |
| Jerry Pierce |
| Jesse Murray |
| Le Labo Paris |
| Legendary |
| Lesspain Software |
| Life electronics |
| Marquise Technologies |
| Mill Road |
| MTI |
| Media Answers |
| Media-IO |
| mediagaps |
| MovieLabs |
| Mr MXF |
| nablet |
| NABA |
| Nent |
| Netflix |
| NMR Consultancy |
| nomalab |
| OWNZONES |
| Pixelogic |
| Prime Focus |
| Public Broadcasting Service |
| RheinMain University |
| Robert Emanuel |
| Rohde & Schwarz - DVS |
| Sandflow Consulting |
| Sequence Key |
| Sherpa Digital Media |
| Siegfried Heep |
| SMPTE |
| Sony Pictures Technologies |
| Steve Silva |
| Sundog Media |
| Technicolor Creative Services |
| Tedial |
| Telestream LLC |
| Testronic |
| The Foundation |
| The Walt Disney Studios |
| TMD |
| Twentieth Century Fox |
| UCLA Extension |
| unravel |
| Venera Technologies |
| Vice Media |
| Videomenthe |
| Vidispine |
| Visible Light |
| Vubiquity |
| Walden Pond |
| Walter Arrighetti |
| Warner Bros. Technical Operations |
| Xperi |
| Yella Umbrella |
A forum for users and implementers of the Interoperable Master Format (IMF) standards #ispeakimf