| EIEIO | Early Identification Early Intervention and Outreach 
| Others |
| EIEIO | Economic Incentives for Enterprises in Indiana and Ohio
| Others |
| EIEIO | Economic Investment Environment of Indiana and Ohio
| Others |
| EIEIO | Education, Investment, Examples, Inspiration, and Organization
| Others |
| EIEIO | Electro-encephalograph In, Electronic Instrument Out modulation
| Others |
| EIEIO | Electron Impact Excitation of Ions from Organics
| Others |
| EIEIO | Enforce In-order Execution of Input/Output
| Others |
| EIEIO | Engineering Instruction/Engineering Implementation Order
| Others |
| EIEIO | Enhanced Implementation of Emacs Interpreted Objects
| Others |
| EIEIO | Enhanced Integration of EMACS Interpreted Objects
| Others |
| EIEIO | Environmentally Integrated Effects Initiatives for Operations
| Others |
| EIEIO | Excellence in Education Input Output
| Others |
| EIEIO | Expand and Improve Educational and Interactive Opportunities
| Others |
| EIEIO | Extended Interface for Enquiry Input and Output
| Others |
| EIEIO | External Interference Engineering Investigations Office
| Others |