- N. Peters (Washington, D.C) (1)
- N. S. Meyer, Inc. (1)
- N. Simrock (Berlin) (1)
- N. Simrock (Berlin, Germany), 1896 (1)
- N.D. Thompson & Co (St. Louis, Mo), 1879 (1)
- N.P.R.R. Co (St. Paul, Minn) (1)
- N.Y. Lithographing, Engraving & Printing Co (New York) (1)
- N.Z. National Savings Committee (1)
- Nagele, Erwin (Stuttgart); druck Hubert Kohler (Muenchen); Goder-Heimann (Chicago) (2)
- Naniwa Shorin (Ōsaka) (1)
- Nash Publishing (Los Angeles) (5)
- National Association for the Advancement of Colored People (New York), 1933 (1)
- National Association for the Advancement of Colored People (New York), 1984 (1)
- National Association of Black Social Workers 1978 (1)
- National Association of People with AIDS (US); NASTAD; Centers for Disease Control and Prevention; U.S Department of Health and Human Services; Bristol-Myers Squibb Company (2)
- National Association of Social Workers (New York), 1957 (1)
- National Association of Social Workers (New York), 1960 (1)
- National Board of the Young Men's Christian Associations 2000 (1)
- National Board of the Young Men's Christian Associations 2001 (1)
- National Board of the Young Men's Christian Associations 2002 (1)
