| Rank | Abbreviation | Meaning |
|---|
| ***** | NSPL | NASA Standard Parts List
| |
| **** | NSPL | Nest Software Private Limited
| |
| **** | NSPL | Noise Sound Pressure Level
| |
| *** | NSPL | Natwest Southern Paintball League
| |
| *** | NSPL | News Service Private Limited
| |
| *** | NSPL | Network Service Peak Load
| |
| *** | NSPL | North Stratford Public Library (North Stratford, NH)
| |
| *** | NSPL | National Sound Pressure League
| |
| ** | NSPL | Netrocon Software Private Limited
| |
| * | NSPL | North Smithfield Public Library
| |
| * | NSPL | New Straitsville Public Library
| |
| * | NSPL | Nucleonix Systems Pvt Ltd
| |
| * | NSPL | New Sharon Public Library (New Sharon, IA)
| |
| * | NSPL | North Scituate Public Library
| |
| * | NSPL | Nigerian Soccer Page Limited
| |
| * | NSPL | North Shore Public Library (Miami Beach, FL)
| |
| * | NSPL | New Salem Public Library
| |
| * | NSPL | Nora Springs Public Library (Nora Springs, IA)
| |
| * | NSPL | National Suicide Prevention Lifeline
| |
| * | NSPL | Newhall Saugus Pool League
| |
| * | NSPL | Nakshatra Software Pvt Ltd
| |
| * | NSPL | Norwest Systems Proprietary Limited
| |
| * | NSPL | Nova Scotia Provincial Library
| |
| * | NSPL | Noblesville SE Public Library (Noblesville, IN)
| |