| Acronym | Definition |
|---|
| TCEI➣Texas Crude Energy, Inc. (Houston, TX) |
| TCEI➣Texas Communications Expo Inc. (Dallas, TX) |
| TCEI➣Toyota Carrelli Elevatori Italia (Italian: Toyota Forklifts Italy; industrial equipment manufacturer) |
| TCEI➣Teaching Competency and Effectiveness Index (education) |
| TCEI➣Telus Communications Edmonton, Inc. (Canada) |
| TCEI➣The Creative Edge, Inc. (Kankakee, IL) |
| TCEI➣Tissue and Cellular Engineering Initiative |