| Rank | Abbreviation | Meaning |
|---|
| ***** | NBTF | Nuisance Business Task Force
| |
| ***** | NBTF | National Brain Tumor Foundation
| |
| ***** | NBTF | Norges Bassengbad Teknisk Forening
| |
| ***** | NBTF | Nothing Breaks The Fall
| |
| ***** | NBTF | Nuts and Bolts Foundation
| |
| ***** | NBTF | Nordiska Byggnads- och Träarbetarefederationen
| |
| ***** | NBTF | National Broadband Task Force
| |
| ***** | NBTF | Norrbottens Bordtennisförbund
| |
| **** | NBTF | Nothing Better Than Friends
| |
| **** | NBTF | New Brunswick Teachers' Federation
| |
| **** | NBTF | National Black Theatre Festival
| |
| **** | NBTF | Nile Basin Trust Fund
| |
| *** | NBTF | National Birthday Trust Fund
| |
| *** | NBTF | Nuts, Bolts and Thingamajigs Foundation
| |
| *** | NBTF | Noise Barrier Test Facility
| |
| *** | NBTF | National Biofuels Task Force
| |
| ** | NBTF | New Building Task Force
| |
| ** | NBTF | Neutral Beam Test Facility
| |
| ** | NBTF | National Biomedical Tracer Facility
| |
| ** | NBTF | National Biodiversity Task Force
| |
| * | NBTF | National Brain Tumor Federation
| |
| * | NBTF | Neutral Buoyancy Test Facility
| |
| * | NBTF | Northern Border Task Force
| |
| * | NBTF | NB&T Financial Group Inc (NASDAQ Stock Exchange [NASDAQ])
| |
| * | NBTF | National Black Theater Festival
| |