| NU1 | Nagoya University | President Michinari Hamaguchi |
| CCR | Nagoya University - Center for Gene Research | Masahiro Ishiura |
| SASNU | Nagoya University - School of Agricultural Sciences | |
| NARF | NAGREF - National Agricultural Research Foundation - Greece | N. Maraveyas |
| NFU | Nanjing Forestry University | |
| NAS | National Academy of Science of Ukraine | B.E.Paton |
| NBRI | National Botanical Research Institute - India | P. Pushpangadan |
| NCL | National Chemical Laboratory - India | AA Natu |
| NCIA | National Chiayi Institute of Agriculture - Taiwan | Kuo-Shih Yang |
| NCHU | National Chung Hsing University | |
| NFA | National Forest Authority - Papua New Guinea | PATRICK PRUAITCH |
| ONF | National Forest Office - France | Patrice Mengin-Lecreuix |
| CNF | National Forestry Corporation (CONAF) - Chile | Carlos Weber |
| NFRRI | National Forestry Resources Research Institute | Samson Gwali |
| CNSF | National Forestry Seed Center - Burkina Faso | Mrs. Sylvie Gamene |
| NFTBC | National Forest Tree Breeding Center - Japan | Kaichiro Kawamura |
| KI | National Forest Tree Breeding Center - Japan (HQ) | Shingeru Eika |
| NIAQ | National Institute for Agricultural Qualification - Hungary | Bach, Istvan |
| NIAQC | National Institute for Agricultural Quality Control - Hungary | Karoly NESZMILYI |
| CIRNI | National Institute of Agricultural Technology (INTA) - Center for Natural Resources Research - Argentina | Daniel Pedro Miqon |
| NIB | National Institute of Biology - Slovenia | Tamara Lah |
| NPUST | National Pingtung University of S. T. | Yuan-Kuang, Kuu |
| NRIA | National Research Institute of Agriculture - Uruguay | Pedro Bonino Garmendia |
| NTSC | National Tree Seed Centre - Sudan | Ibrahim, Abdelazim Mirghani |
| NEL | Natural Environment Laboratory | |
| NERC | Natural Environment Research Council - UK | John Lawton |
| NDFR | N.C. Division of Forest Research | |
| NBDNR | New Brunswick Department of Natural Resources | |
| SFN | New Hampshire State Forest Nursery | Allen L. Heiss |
| SUN | New York State University | Maynard, Charles A. |
| NZFRI | New Zealand Forest Research Institute | Mr Bryce Heard |
| N/A | NFGEL | |
| NFV | NFV - Niedersachsische Forstliche Laboratory - Germany | Ackermann, Jvrg |
| NTBF | Nicholas Turkey Breeding Farms | |
| NCSU1 | North Carolina State University (Whetten) | Sederoff, Ronald R. |
| RHI | North Central Forest Experiment Station | Dr. Linda R. Donoghue |
| NDSU | North Dakota State University | |
| NFES | Northeastern Forest Experiment Station - USA | Susan Stout |
| NSMA | Northeast Seed Management Association | |
| NAU | Northern Arizona University | Thomas Whitham |
| NRS | Northern Research Station - UK | Cundall, Edward |
| NFLI | Norwegian Forest and Landscape Institute | Dan Aamlid |
| NIS | Norwegian Forest Research Institute | Kristen Fretheim |
| NSDNR | Nova Scotia Dept. of Natural Resources | |
| NREL | NREL - National Renewable Energy Laboratory - USA | Richard H. Truly |