This industry comprises establishments known either as magazine publishers or periodical publishers. These establishments carry out the operations necessary for producing and distributing magazines and other periodicals, such as gathering, writing, and editing articles, and selling and preparing advertisements. These establishments may publish magazines and other periodicals in print or electronic form. Establishments publishing periodicals exclusively on the Internet are classified in Industry 516110, Internet Publishing and Broadcasting; Establishments primarily engaged in printing periodicals without publishing are classified in Industry 323110, Printing; Establishments, such as trade associations, schools and universities, and social welfare organizations, that publish magazines and periodicals for distribution to their membership, but that are not commonly known as periodical publishers, are classified according to their primary activity designation; Establishments primarily engaged in publishing directories and mailing lists are classified in Industry 511140, Directory and Mailing List Publishers; and Establishments of independent representatives primarily engaged in selling advertising space are classified in Industry 541840, Media Representatives.
