| Abbreviation | Definition |
|---|---|
| IMTC | Internet Marketing Training Center |
| IMW | Integrated Marketing Week |
| IMWT | In Marketing We Trust |
| INMA | International Newspaper Marketing Association |
| IOP | Integrated Operations Plan |
| IOPT | Information Operations Planning Tool |
| IOS | Inspection Operation Sheet |
| IPIF | Integrated Performance and Incentive Framework |
| IPMC | International Programs Marketing Conference |
| ISAE | International Standard on Assurance Engagements |
| ISM | Industrial Strength Marketing |
| ISM | International Systems Marketing |
| ISMA | International Social Marketing Association |
| ISMC | International Sales Marketing Conference |
| ISMC | International Social Marketing Conference |
| ISMS | INFORMS Society for Marketing Science |
| ISMS | International Strategic Marketing Services |
| ISS | Integrated Support Service |
| ISSM | International Society For Strategic Marketing |
| ITM | Irish Thoroughbred Marketing |