sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Transmitter Optical Sub Assembly | *** |
| Tourism Organization of Southern Africa | *** |
| Teachers on Special Assignment | *** |
| Taiwan Overseas Study Association | *** |
| Theatre Organ Society of Australia | *** |
| The Ohio Smallmouth Alliance | ** |
| Tasmanian Orff Schulwerk Association | ** |
| Teachers on Special Assignments | ** |
| Truck Operators and Suppliers Alliance | ** |
| Transmit Optical Sub Assemblies | * |
| Transmitter Optical Sub Assemblies | * |
| Ternopil Oblast State Administration | * |