| Rank | Abbreviation | Meaning |
|---|
| ***** | NFL | Newton Free Library (Newton, MA)
| |
| ***** | NFL EUROPE | National Football League Europe
| |
| **** | NFL | Newport Free Library (Newport, NY)
| |
| **** | NFL | NEW FREEDOM LIBRARY
| |
| *** | NFL | NORTHAMPTON FREE LIBRARY (Richboro, PA)
| |
| *** | NFL | Newspapers for Literacy
| |
| *** | NFL | Northborough Free Library (Northborough, MA)
| |
| *** | NFL | Newfane Free Library (Newfane, NY)
| |
| *** | NFL | NUVEEN INSURED FLORIDA PREMIUM INCOME MUNICIPAL FUND, INC.
| |
| *** | NFL | Nuveen Insured Florida Premium Income Municipal Fund
| |
| *** | NFL | Newark Free Library (Newark, DE)
| |
| *** | NFL | Newburgh Free Library (Newburgh, NY)
| |
| *** | NFL | Needs For Living
| |
| *** | NFL | Natural Family Living
| |
| *** | NFL | Neighborhood Football League
| |
| *** | NFL | NUFFIELD
| |
| ** | NFL | Neillsville Free Library (Neillsville, WI)
| |
| ** | NFL | Neighborhood for Learning
| |
| * | NFL | Npower Football League
| |
| * | NFL | Northaire Feight Lines
| |
| * | NFL | Not For Law
| |