| Rank | Abbreviation | Meaning |
|---|
| ***** | TCEC | Technical Committee on Electronic Commerce
| |
| ***** | TCEC | Text Capture and Electronic Conversion
| |
| ***** | TCEC | Terms and Conditions of Employment Committee
| |
| **** | TCEC | Telco Construction Equipment Company
| |
| **** | TCEC | Turtle Conservation and Education Centre
| |
| **** | TCEC | Tri County Electric Cooperative
| |
| **** | TCEC | Texas Council for Exceptional Children
| |
| **** | TCEC | Tuscola County Extension Council
| |
| *** | TCEC | Tulip Computers Education Center
| |
| *** | TCEC | Texas Council of Engineering Companies
| |
| *** | TCEC | The California Energy Commission
| |
| *** | TCEC | Triathlon Club Eisheiligen Chaos
| |
| *** | TCEC | Texas Career Education Conference
| |
| *** | TCEC | Texas Chamber of Electronic Commerce
| |
| *** | TCEC | The Council for Exceptional Children
| |
| *** | TCEC | Tasmanian Catholic Education Commission
| |
| *** | TCEC | the occurrence of compression/expansion crossover
| |
| *** | TCEC | Test cell environment and cooling
| |
| *** | TCEC | The Consumer Electronics Cyberspace
| |
| *** | TCEC | Texas Council for Exceptional
| |
| ** | TCEC | Trip-City Elder Coalition
| |
| ** | TCEC | TOBACCO CONTROL of ELKHART COUNTY
| |
| ** | TCEC | Tembaletu Community Education Centre
| |
| ** | TCEC | Treasure Coast Energy Center
| |
| ** | TCEC | Tri City Elder Coalition
| |