| International Programs Marketing Conference | Business |
| International Project Management Championship | Business |
| Integrative Pain Management | Business |
| Inriver Product Marketing Cloud | Business |
| Interstate Pest Management Conference | Business |
| Independent Project Monitoring Company | Business |
| Interdisciplinary Pain Management Center | Business Management |
| Investment and Promotion Management Cell | Business Management |
| Incubator Project Management Committee | Business Management |
| Integrative Pain Management Center | Business Management |
| Institute of Project Management Certification | Business Management |
| Intelligent Platform Management Controller | Business Management |
| International Political Marketing Conference | Community |
| Industrial Park Management Committee | Community |
| Iron Pig Motorcycle Club | Community |
| International Pen Modding Community | Community |
| Intercom Programming Manufacturing Co | Computing |
| Ip Multicast | Computing |
| International Property Maintenance Code | General |
| Institut De Pharmacologie Moleculaire Et Cellulaire | General |
| Ionic polymer–metal composites | General |
| Ionic Polymer Metal Composite | General |
| International Paper Modelers Convention | General |
| Ionic Polymer Metallic Composites | General |
| Industrial Process Measurement and Control | General |
| Institut de Paleontologia Miquel Crusafont | General |
| Iran Piston Manufacturing Company | General |
| International Police Motor Corporation | Governmental |
| International Precision Medicine Center | International |
| International Project Management Conference | International |
| International Precision Medicine Conference | International |
| Irish Private Medical Centres | Medical |
| Indian Path Medical Center | Medical |
| Imperial Point Medical Center | Medical |
| Internet Protocol Multimedia Communications | Networking |
