Codes Titles Number of US Businesses
51 Information 310,299
511110Newspaper Publishers 11,270
511120Periodical Publishers 5,673
511130Book Publishers 5,736
511140Directory and Mailing List Publishers 622
511191Greeting Card Publishers 390
511199All Other Publishers 18,813
511210Software Publishers21,872
512110Motion Picture and Video Production 26,663
512120Motion Picture and Video Distribution23,449
512131Motion Picture Theaters (except Drive-Ins) 5,541
512132Drive-In Motion Picture Theaters 163
512191Teleproduction and Other Postproduction Services 1,411
512199Other Motion Picture and Video Industries 6,274
512230Music Publishers692
512240Sound Recording Studios3,498
512250Record Production and Distribution8,724
512290Other Sound Recording Industries388
515111Radio Networks 9,910
515112Radio Stations 2,280
515120Television Broadcasting3,623
515210Cable and Other Subscription Programming6,824
517311Wired Telecommunications Carriers 15,518
517312Wireless Telecommunications Carriers (except Satellite)21,198
517410Satellite Telecommunications193
517911Telecommunications Resellers 13,946
517919All Other Telecommunications 44,133
518210Data Processing, Hosting, and Related Services18,860
519110News Syndicates990
519120Libraries and Archives 24,232
519130Internet Publishing and Broadcasting and Web Search Portals982
519190All Other Information Services6,431