| 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) |