| Abbreviation | Definition |
|---|---|
| IPKW | Industrial Parc Kleefse Waard |
| IPL | Indianapolis Power Light Company |
| IPL | Indianapolis Power & Light Company |
| IPL | Inter Pipeline Ltd |
| IPLA | Intellectual Property Licensing Agency |
| IPLC | International Patent Licensing Company |
| IPM | InfraPartners Management |
| IPM | Integrated Pest Management |
| IPMC | Iran Piston Manufacturing Company |
| IPMD | Industrial Plant Maintenance Division |
| IPMD | Infrastructure and Project Monitoring Division |
| IPMD | International Powder Metallurgy Directory |
| IPMI | Internet Presence Marketing, Inc. |
| IPO | Internationale Prufungs Ordnung |
| IPP | Independent Power Producer |
| IPPE | International Process Plants and Equipment |
| IPPI | Institute of Professional Practice Inc |
| IPPI | Intelligent Payment Processing Inc |
| IPRC | Imperial Petroleum Recovery Corporation |
| IPRC | Inter-Provincial Roof Consultants, LTD. |