| Abbreviation | Definition |
|---|---|
| IETC | International Engineering Technology Consulting |
| IETC | International Evaluation and Training Corporation |
| IETG | Immersive Education Technology Group |
| IETG | Integrated Environmental Technology Group |
| IETG | International Energy Trading Group, L.L.C. |
| IETG | International Environmental Trading Group |
| IETL | Integrated Environment Technologies, LTD. |
| IETP | Innovation Economy Training People, PTY, LTD. |
| IETS | International Education Training Services |
| IEU | Independent Education Union |
| IEVS | Income And Eligibility Verification System |
| IEVS | Income and Eligibility Verification Systems |
| IEVS | Income Eligibility and Verification System |
| IEVS | Income Eligibility Verification System |
| IF | Interstate Financial |
| IFA | Income from financial activities |
| IFAC | Intangible Fixed Asset Costs |
| IFAM | Intrinsic Franchised Agency Model |
| IFBC | Idaho Family Business Center |
| IFBC | International Futures Brokerage Company |