National Anthem LtdBusiness: Retail sale of clothing in specialised stores. Retail sale via mail order houses or via Internet. Other retail sale not in stores, stalls or markets
National Autistic Society (Hertfordshire Branch)Business: Other education n.e.c.. Residential care activities for the elderly and disabled. Other residential care activities n.e.c.. Social work activities without accommodation for the elderly and disabled
National Centre for Circus ArtsBusiness: First-degree level higher education. Post-graduate level higher education. Sports and recreation education. Support activities to performing arts
National Childbirth Trust (NCT)Business: Other information service activities n.e.c.. Other education n.e.c.. Activities of other membership organisations n.e.c.
National Dental LimitedBusiness: Other professional, scientific and technical activities n.e.c.. Other education n.e.c.. Specialists medical practice activities. Dental practice activities
National HighwaysBusiness: Other specialised construction activities n.e.c.. Other passenger land transport. Other engineering activities. General public administration activities