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- National League for Woman's Service, U.S. (1)
- National Novelty Company, Minneapolis, Minnesota (Manufacturer) (1)
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- National Recreation and Park Association... (1)
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- National Safety Council (6)
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- National Survey (Firm) (2)
- National War Fund, U.S. (2)
- National War Garden Commission (7)
- National War Work Council, Y.M.C.A. of the United States (149)
- National Woman's Liberty Loan Committee (2)
- National process company, inc., New York (6)
- National war savings committee, London (16)
