| STX | C A- Simply Tax Tax form
| Others |
| STX | S T Systems Corporation
| Others |
| STX | S-Band Transmitter
| Others |
| STX | Saab Turbo X
| Others |
| STX | Short Tagged Xml
| Others |
| STX | Situational Training Exercise
| Others |
| STX | SmarText Electronic book
| Others |
| STX | Sna To X25
| Others |
| STX | Sport Touring Extra
| Others |
| STX | Sport Truck Extra
| Others |
| STX | St. Croix, Virgin Islands
| Others |
| STX | Staff Training Exercise
| Others |
| STX | Store Index
| Others |
| STX | Streaming Transformations for XML
| Others |
| STX | Street Touring Extreme
| Others |
| STX | Street Touring Xtra
| Others |
| STX | Street Touring XTREME
| Others |
| STX | Street Trim Xtra
| Others |
| STX | Stub Network
| Others |
| STX | Super Taikyu Series
| Others |
| STX | Super Touring Extra
| Others |
| STX | Super Trofeo X
| Others |
| STX | Syntax
| Others |