| Rank | Abbreviation | Meaning |
|---|
| ***** | NCPG | National Council on Problem Gambling, Inc.
| |
| ***** | NCPG | New Century Publishing Group
| |
| **** | NCPG | National Centre for Petroleum Geology
| |
| **** | NCPG | Network Control Program Generation
| |
| **** | NCPG | Nevada Council on Problem Gambling
| |
| **** | NCPG | North China Power Grid Co., Ltd.
| |
| **** | NCPG | Nijmegen Cultural Psychology Group
| |
| *** | NCPG | Northern Colorado Potters Guild
| |
| *** | NCPG | National Cowboy Poetry Gathering
| |
| *** | NCPG | National Contingency Planning Group
| |
| *** | NCPG | National Council of Problem Gambling
| |
| ** | NCPG | National Church Purchasing Group
| |
| ** | NCPG | North Coast Properties Group
| |
| ** | NCPG | National Committee of Planned Giving
| |
| ** | NCPG | Northern California Photography Group
| |
| ** | NCPG | Northern Cape Provincial Government
| |
| ** | NCPG | North City Psychological Group
| |
| ** | NCPG | National Capital Puppetry Guild
| |
| * | NCPG | National Council on Planned Giving
| |
| * | NCPG | North Central Parenting Group
| |
| * | NCPG | North China Power Group
| |
| * | NCPG | National Conference on Problem Gambling
| |
| * | NCPG | Nelson Craig Politics Government
| |
| * | NCPG | North Carolina Planned Giving
| |