| TCHA | Tallapoosa County Homeschool Association 
| Others |
| TCHA | Tamil Community Housing Association
| Others |
| TCHA | Tamworth Cornerstone Housing Association
| Others |
| TCHA | Tank Car Holding Area
| Others |
| TCHA | Technical Committee for Humanitarian Assistance
| Others |
| TCHA | Tehama County Health Agency
| Others |
| TCHA | Teton County Housing Authority
| Others |
| TCHA | Texas Concealed Handgun Association
| Others |
| TCHA | Texas County Housing Authority
| Others |
| TCHA | Thanet Community Housing Association
| Others |
| TCHA | Tippecanoe County Historical Association
| Others |
| TCHA | Tools and Compilers for Hardware Acceleration
| Others |
| TCHA | Tri Cities Horsemen Association
| Others |
| TCHA | Twin Creeks Homeowners Association
| Others |