Posted in Aviation, Engineering, Government & Military, Information Technology, Organizations, Schools & Education E&I stands for Electrical and Instrumentation (engineering) E&I stands for Engineering and Integration E&I stands for Entrepreneurship and Innovation (various schools) E&I stands for Engineering & Installation (US DoD) E&I stands for Environment & Infrastructure E&I stands for Erase and Install (software troubleshooting) E&I stands for Evaluation & Improvement E&I stands for Examination and Inventory (aircraft maintenance) E&I stands for Economic and Interstate Importance (roads)