Codes Titles Number of US Businesses
51 Information 317,218
511110Newspaper Publishers 11,182
511120Periodical Publishers 5,545
511130Book Publishers 5,626
511140Directory and Mailing List Publishers 570
511191Greeting Card Publishers 369
511199All Other Publishers 19,840
511210Software Publishers22,160
512110Motion Picture and Video Production 26,398
512120Motion Picture and Video Distribution25,138
512131Motion Picture Theaters (except Drive-Ins) 5,552
512132Drive-In Motion Picture Theaters 156
512191Teleproduction and Other Postproduction Services 1,399
512199Other Motion Picture and Video Industries 6,859
512230Music Publishers652
512240Sound Recording Studios3,600
512250Record Production and Distribution7,828
512290Other Sound Recording Industries370
515111Radio Networks 10,000
515112Radio Stations 2,251
515120Television Broadcasting3,699
515210Cable and Other Subscription Programming6,838
517311Wired Telecommunications Carriers 15,465
517312Wireless Telecommunications Carriers (except Satellite)22,268
517410Satellite Telecommunications184
517911Telecommunications Resellers 13,579
517919All Other Telecommunications 47,612
518210Data Processing, Hosting, and Related Services19,523
519110News Syndicates960
519120Libraries and Archives 24,185
519130Internet Publishing and Broadcasting and Web Search Portals1,108
519190All Other Information Services6,302