| Rank | Abbreviation | Meaning |
|---|
| ***** | TCHA | Tippecanoe County Historical Association
| |
| **** | TCHA | Traditional Chinese Healers Association
| |
| *** | TCHA | Tri-County Horse Association
| |
| *** | TCHA | Tri-Cities Horsemen Association
| |
| *** | TCHA | Tamil Community Housing Association
| |
| ** | TCHA | Tank Car Holding Area
| |
| ** | TCHA | Technical Committee for Humanitarian Assistance
| |
| ** | TCHA | Thanet Community Housing Association
| |
| ** | TCHA | taurocholic acid
| |
| ** | TCHA | Tools and Compilers for Hardware Acceleration
| |
| ** | TCHA | Twin Creeks Homeowners Association, Inc.
| |
| ** | TCHA | Texas Concealed Handgun Association
| |
| * | TCHA | Towns County Homeowners Association
| |
| * | TCHA | The Central Highlands Alliance
| |
| * | TCHA | Thomas Carr Howe Academy
| |
| * | TCHA | Teton County Housing Authority
| |
| * | TCHA | Taiwanese Canadian Heritage Association
| |
| * | TCHA | Texas County Housing Authority
| |
| * | TCHA | Tehama County Health Agency
| |
| * | TCHA | Taiwan Community Hospital Association
| |
| * | TCHA | Texas Catholic Historical Association
| |
| * | TCHA | Tallapoosa County Homeschool Association
| |
| * | TCHA | The Children's Hospital of Alabama
| |
| * | TCHA | Town and Country Homes Association
| |
| * | TCHA | Toronto City Hall Archives
| |