Codes Titles Number of US Businesses
51 Information 311,785
511110Newspaper Publishers 11,115
511120Periodical Publishers 5,618
511130Book Publishers 5,672
511140Directory and Mailing List Publishers 609
511191Greeting Card Publishers 397
511199All Other Publishers 19,381
511210Software Publishers21,832
512110Motion Picture and Video Production 26,276
512120Motion Picture and Video Distribution23,732
512131Motion Picture Theaters (except Drive-Ins) 5,537
512132Drive-In Motion Picture Theaters 161
512191Teleproduction and Other Postproduction Services 1,419
512199Other Motion Picture and Video Industries 6,593
512230Music Publishers685
512240Sound Recording Studios3,569
512250Record Production and Distribution8,650
512290Other Sound Recording Industries386
515111Radio Networks 9,946
515112Radio Stations 2,272
515120Television Broadcasting3,635
515210Cable and Other Subscription Programming6,649
517311Wired Telecommunications Carriers 15,563
517312Wireless Telecommunications Carriers (except Satellite)21,446
517410Satellite Telecommunications190
517911Telecommunications Resellers 13,413
517919All Other Telecommunications 45,597
518210Data Processing, Hosting, and Related Services18,811
519110News Syndicates968
519120Libraries and Archives 24,211
519130Internet Publishing and Broadcasting and Web Search Portals1,012
519190All Other Information Services6,440