| Acronym | Definition |
|---|
| NPSI➣Non Partitioned Secondary Index |
| NPSI➣Network Protocol Service Interface |
| NPSI➣Ncp Packet Switching Interface |
| NPSI➣NCP (Network Control Program) Packet Switching Interface |
| NPSI➣National Playground Safety Institute |
| NPSI➣North Pittsburgh Systems (stock symbol) |
| NPSI➣National Protective Services Institute (San Antonio, TX) |
| NPSI➣National Prep School Invitational |
| NPSI➣Neuropathic Pain Symptom Inventory |
| NPSI➣American National Straight Intermediate Pipe Thread |
| NPSI➣Network Control Program Packet Switch Interface |