American Rehabilitation Association - Formerly, National Association of Rehabilitation Facilities (EA)
National Association of Rehabilitation Facilities (EA)
National Association of Retail Furnishers (AD)
Native American Rights Fund (EA)
Natural Axial Resonant Frequency (PDAA)
Naval Aerospace Recovery Facility (SAUS)
Naval Aerospace Research Facility
Naval Air Reserve Force
Naval Air Rework Facility
Navy Arctic Research Facility
Nuclear Aerospace Research Facility (IEEE)
Nuclear Aircraft Research Facility (AD)
Natural Axial-Resonant Frequency (AD)