| Communications | |
| Bredbandsbolaget | Swedish broadband collaboration on digital cinema |
| British Telecom | Involved in Virgin trial and ELFIN consortium |
| Deutsche Telecom | Involved in Babelsberg Cybercinema |
| Elsacom | Italian. Involved with CineComm Digital Cinema |
| Eutelsat | Involved in CineNet trials and Babelsberg Cybercinema |
| France Telecom | Major e-cinema involvement through TDF and Globecast |
| Hispasat | Spanish participant in Cinenet trials |
| Hughes Network Systems | JVC partner in digital cinema |
| Loral Cyberstar | Partner in satellite delivery trials |
| NTT | Nippon Telegraph & Telephone |
| Qwest Communications | Broadband internet delivery for cinema |
| SBC | Pacific Bell. Leader in Cinema of the Future trials |
| SES/Astra | European satellite operator, involved in Utopolis digital cinema trial |
| Telefonica | Spanish. Telephone company involved in digital cinema trials |
| Telenor | Norwegian initiator of 'Project I' |
| Compression | |
| MPEG | Motion Picture Experts Group. Compression systems for video. Strong contender for digital cinema |
| Qualcomm | Pioneer of dedicated digital cinema compression. Partner in Technicolor Digital Cinema |
| Sarnoff Corporation | Compression technology specialist |
| Encryption | |
| Cinea | |
| Octalis | |
| Signal Processing | |
| Snell & Wilcox | Manufacturer of interpolation and signal conversion equipment |