TPSI
| Acronym | Definition |
|---|---|
| TPSI | Transmontaigne Product Services, Inc. (Denver, CO) |
| TPSI | Transport Planning Skills Initiative (logistics; UK) |
| TPSI | Technical Programming Services, Inc. (Tulsa, OK) |
| TPSI | Two-Phase Structure Invariant (crystallography) |
| TPSI | Transportation Planning Support Information |
| TPSI | Torque Pressure in Pounds per Square Inch |
| TPSI | Thermodynamic Property Standard, Inc (Galveston, TX) |