(religion) Initialism of Netherlands Reformed Congregation. / (US) Initialism of Nuclear Regulatory Commission. / (Canada) Initialism of National Research Council.

(Australia, dated) Initialism of not recommended for children. (a former film classification)

(US) Initialism of National Roofing Contractors Association.

(Canada) Initialism of National Research Council of Canada. / (US) Initialism of National Republican Congressional Committee. / Initialism of National Registry of Certified Chemists.