| AY | Musikinstrumentenreihe der Yamaha Corporation |
| BMC | British Leyland Motor Corporation [engl.] Britischer Autokonzern |
| BLMC | British Leyland Motor Corporation [engl.] Britischer Autokonzern |
| DMV | Department of Motor Vehicles |
| MTB | Motor Torpedo Boat |
| VCM | Voice Coil Motor |
| MSL | Motor Simulation Laboratory |
| CMT | Caravan, Motor und Touristik [Die Urlaubsmesse] Stuttgart, http://www.messe-stuttgart.de/cmt |
| DMSB | Deutscher Motor Sport Bund e.V. |
| ARBÖ | Auto-, Motor- und Radfahrerbund Österreichs |
| IMSA | International Motor Sports Association |
| M9 | Motor Sich [IATA-Airline-Code/ Ukraine] |
| MS | Microsoft Corporation |
| SRAM | SRAM Corporation Chicago, http://www.sram.com/de |
| ABP | Abraxas Petroleum Corporation San Antonio, http://www.abraxaspetroleum.com |
| DEC | Digital Equipment Corporation |
| DEC | Digital Equipment Corporation |
| IDC | International Data Corporation |
| IFC | International Finance Corporation Internationale Finanzkorporation |
| ISC | Interactive Systems Corporation |
| LDC | Lotus Development Corporation |
| MCA | Music Corporation of America |
| MSFDC | Microsoft + First Data Corporation |
| NSC | Nippon Steel Corporation |
| OTC | Output Technology Corporation |
| RCA | Radio Corporation of Amerika |
| CSC | Computer Sciences Corporation |
| CDC | Control Data Corporation [USA] |
| CBC | Canadian Broadcasting Corporation Toronto, http://www.cbc.ca |
| BNC | Berkley Nucleonics Corporation http://www.berkeleynucleonics.com |
| CMC | Communication Machinery Corporation |
| AMC | American Motors Corporation vgl. http://www.american-motors.de |
| COMSAT | Communications Satellite Corporation |
| IFC | International Freighting Corporation |
| COS | Corporation for Open Systems |
| CCA | Computer Corporation of America |
| NCR | National Cash Register Corporation, USA |
| NTT | Nippon Telegraph and Telephone Corporation Tokio, http://www.ntt.co.jp/index_e.html |
| OSC | Orbital Sciences Corporation [Weltraum] |
| Corp. | Corporation [internationaler Gebrauch, insbesondere in den USA] |
| RTZ | Rio Tinto Zinc Corporation Limited Bergbauunternehmen mit Sitz in London |
| CREN | Corporation for Research and Educational Networking Reston, VA, http://www.cren.net |
| SAIC | Science Applications International Corporation |
| SPEC | Standard Performance Evaluation Corporation |
| UCAR | University Corporation for Atmospheric Research |
| B.A.C. | British Aircraft Corporation [engl.] |
| BBC | British Broadcasting Corporation [engl.] |
| DECNET | Digital Equipment Corporation Network |
| MCC | Microelectronics and Computer Technology Corporation |
| CNRI | Corporation for National Research Initiatives |