| SRAM | SRAM Corporation Chicago, http://www.sram.com/de |
| MS | Microsoft Corporation |
| IDC | International Data Corporation |
| COMSAT | Communications Satellite Corporation |
| COS | Corporation for Open Systems |
| CSC | Computer Sciences Corporation |
| DEC | Digital Equipment Corporation |
| DEC | Digital Equipment Corporation |
| IFC | International Finance Corporation Internationale Finanzkorporation |
| IFC | International Freighting Corporation |
| 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 |
| CMC | Communication Machinery Corporation |
| CDC | Control Data Corporation [USA] |
| AMC | American Motors Corporation vgl. http://www.american-motors.de |
| BNC | Berkley Nucleonics Corporation http://www.berkeleynucleonics.com |
| AY | Musikinstrumentenreihe der Yamaha Corporation |
| ABP | Abraxas Petroleum Corporation San Antonio, http://www.abraxaspetroleum.com |
| CBC | Canadian Broadcasting Corporation Toronto, http://www.cbc.ca |
| CCA | Computer Corporation of America |
| B.A.C. | British Aircraft Corporation [engl.] |
| MCC | Microelectronics and Computer Technology Corporation |
| 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] |
| CDC | Control Data Corporation [engl.] |
| RTZ | Rio Tinto Zinc Corporation Limited Bergbauunternehmen mit Sitz in London |
| SAIC | Science Applications International Corporation |
| SPEC | Standard Performance Evaluation Corporation |
| BBC | British Broadcasting Corporation [engl.] |
| UCAR | University Corporation for Atmospheric Research |
| Corp. | Corporation [internationaler Gebrauch, insbesondere in den USA] |
| BSC | British Steel Corporation [engl.] |
| CREN | Corporation for Research and Educational Networking Reston, VA, http://www.cren.net |
| DECNET | Digital Equipment Corporation Network |
| CNRI | Corporation for National Research Initiatives |
| ARIC | Australian Railway Industry Corporation [engl.] Australisches Unternehmen der Eisenbahn-Industrie |
| UCAID | University Corporation for Advanced Internet Development |
| BLMC | British Leyland Motor Corporation [engl.] Britischer Autokonzern |
| ICANN | Internet Corporation for Assigned Names and Numbers Marina del Rey, http://www.icann.org |
| BOAC | British Overseas Airways Corporation [engl.] |
| AMC | American Multiplexer Corporation [heute: eFotoXpress] Sunnyvale, http://www.efotoxpress.com/de |
| BMC | British Leyland Motor Corporation [engl.] Britischer Autokonzern |
| ASTC | Applied Safety Technologies Corporation [engl.] U.a. Hersteller von Dummys |
| DIX | Digital Equipment Corporation, Intel, Xerox |