| ISACA | Berufsverband der EDV-Revisoren - Information Systems Audit and Control Association e.V. Dinslaken, http://www.isaca.de |
| ISSA | Information Systems Security Association Bellingham, [WA], http://www.issa.org |
| AISP | Association of Information Systems Professionals [engl.] |
| SCA | Security Control and Audit |
| EMAS | Environmental Management and Audit Scheme [engl.] - Öko-Audit-System |
| OIS | Office Information Systems |
| ISN | Information Systems Network |
| ISSI | Information Security Systems Inc. |
| ISF | Information Systems Factory |
| PCS | Process Control Systems |
| EHSA | European Home Systems Association |
| IFSA | International Fuzzy Systems Association |
| NISS | National Information Services and Systems |
| DOSIS | Development Of Statistical Information Systems Entwicklung von statistischen Informationssystemen |
| JISC | Joint Information Systems Committee London/ Bristol/ Nottingham, http://www.jisc.ac.uk |
| DISN | Defense Information Systems Network |
| ISIS | Integrated Systems and Information Services |
| ISQIT | Information Systems Quality Improvement Team |
| CRISP | Cooperative Research Information Systems for Physics |
| B.I.S.M. | Bachelor of Information Systems and Administration [engl.] Akademischer Titel |
| GEIS | General Electric Information Systems GmbH München |
| Int. J. Geogr. Inf. Syst. | International Journal of Geographical Information Systems Zeitschrift |
| DUNDIS | Direction of United Nations Databases and Information Systems |
| 1M | JSC Transport Automated Information Systems [IATA-Airline-Code/ Russland] |
| 1R | Hainan Phoenix Information Systems [IATA-Airline-Code/ China] |
| TCI | Tag Control Information |
| ASLIB | The Association for Information Management London, http://www.aslib.co.uk |
| IIA | Information Industry Association |
| CCA | Copyright Control Association |
| NCI | Network Control Information |
| PCI | Protocol Control Information |
| ICI | Interface Control Information |
| SIIA | Software & Information Industry Association Washington DC, http://www.siia.net |
| LITA | Library and Information Technology Association |
| ITAA | Information Technology Association of America San Mateo, [CA], http://www.itaa.org |
| ATCA | Air Traffic Control Association [engl.] Amerikanischer Verband der Fluglotsen |
| AMCA | Air Moving and Control Association [engl.] |
| CFCA | Communications Fraud Control Association |
| J. Air Pollut. Control Assoc. | Journal of the Air Pollution Control Association Zeitschrift |
| CICS | Customer Information Control System [IBM] |
| ACI | Access Control Information [engl.] Aus X.500-Standard |
| CCIS | Command and Control Information System |
| AFII | Association for Font Information Interchange [engl.] |
| INTAP | Interoperability Technology Association for Information Processing Japan |
| EMCA | European Mosquito Control Association [engl.] Europäische Organisation zur Bekämpfung der Stechmücke, Straßburg, http://www.emca.asso.fr |
| NICE | Network Information and Control Exchange [DECNET] |
| AIIM | Association for Information and Image Management International [engl.] Amerikanische Fachmesse |
| MAPICS | Manufacturing, Accounting and Production Information Control System [IBM] |
| EICTA | European Information, Communications + Consumer Electronics Industry Technology Association |
| Q. Bull. Int. Assoc. Agric. Inf. Spec. | Quarterly Bulletin of the International Association of Agricultural Information Specialists [hat ein eigenes Review] Zeitschrift |