| Rank | Abbreviation | Meaning |
|---|
| ***** | CIGI | Certified Inspector General Investigator
| |
| ***** | CIGI | Common Image Generator Interface
| |
| **** | CIGI | Computer Image Generator Interface
| |
| **** | CIGI | Clarendon Insurance Group, Inc.
| |
| *** | CIGI | Coach Industries Group Inc.
| |
| *** | CIGI | Consolidated Industrial Gases Inc
| |
| *** | CIGI | Central Illinois Generation Inc
| |
| *** | CIGI | Centre for International Governance Innovation
| |
| ** | CIGI | Consumer Insurance Group Inc
| |
| ** | CIGI | Center for Information and Guidance, India
| |
| ** | CIGI | Connecticut Industrial Gauging Inc
| |
| ** | CIGI | Christian Initiation, General Introduction
| |
| * | CIGI | Career Information Guidance India
| |
| * | CIGI | Cochlear Implant Group of India
| |
| * | CIGI | Conference on International Governance Innovation
| |
| * | CIGI | Campus Institute for Global Issues
| |
| * | CIGI | Coach Inds Group Inc
| |
| * | CIGI | Consolidated Industrial Gases Incorporated
| |
| * | CIGI | Centre for Information Guidance India
| |
| * | CIGI | Chevron International Gas Inc
| |
| * | CIGI | Cybersoft Integrated Geoinformatics Inc
| |
| * | CIGI | Canadian International Grain Institute
| |