| Rank | Abbreviation | Meaning |
|---|
| ***** | NAPO | Network Abuse and Policy Observance
| |
| *** | NAPO | Netherlands Army Post Office
| |
| *** | NAPO | National Association of Police Organizations, Inc.
| |
| *** | NAPO | National Association of Pizza Operators
| |
| *** | NAPO | National Anti-Poverty Organization
| |
| ** | NAPO | National Association of Pizzeria Operators
| |
| ** | NAPO | National Association Professional Organizers
| |
| ** | NAPO | National Authority for Prosthetics and Orthotics
| |
| * | NAPO | National Association of Police Organizations
| |
| * | NAPO | North American Project Operations
| |
| * | NAPO | North Atlantic Peace Organization
| |
| * | NAPO | National Association of Police Officers
| |
| * | NAPO | National Admissions and Placement Office
| |
| * | NAPO | Netherlands Au Pair Organization
| |
| * | NAPO | National Association of Probation Officers
| |
| * | NAPO | North American Procurement Organization
| |
| * | NAPO | National Association of Property
| |
| * | NAPO | National AIDS Program Office
| |
| * | NAPO | Need a Professional Organizer
| |
| * | NAPO | Native American Program Office
| |
| * | NAPO | National Anticorruption Prosecutors Office
| |
| * | NAPO | NATO Production Objective
| |
| * | NAPO | Nederlandse Au Pair Organisatie
| |
| * | NAPO | National Anti Poverty Organisation
| |
| * | NAPO | National Alliance of Pet Owners
| |