North American Industry Classification System (NAICS) 1997
- 51 - Information and Cultural Industries
- 511 - Publishing Industries
- 5111 - Newspaper, Periodical, Book and Database Publishers
- 51111 - Newspaper Publishers
- 511110 - Newspaper Publishers
- 51112 - Periodical Publishers
- 511120 - Periodical Publishers
- 51113 - Book Publishers
- 511130 - Book Publishers
- 51114 - Database and Directory Publishers
- 511140 - Database and Directory Publishers
- 51119 - Other Publishers
- 511190 - Other Publishers
- 5112 - Software Publishers
- 51121 - Software Publishers
- 511210 - Software Publishers
- 512 - Motion Picture and Sound Recording Industries
- 5121 - Motion Picture and Video Industries
- 51211 - Motion Picture and Video Production
- 512110 - Motion Picture and Video Production
- 51212 - Motion Picture and Video Distribution
- 512120 - Motion Picture and Video Distribution
- 51213 - Motion Picture and Video Exhibition
- 512130 - Motion Picture and Video Exhibition
- 51219 - Post-Production and Other Motion Picture and Video Industries
- 512190 - Post-Production and Other Motion Picture and Video Industries
- 5122 - Sound Recording Industries
- 51221 - Record Production
- 512210 - Record Production
- 51222 - Integrated Record Production/Distribution
- 512220 - Integrated Record Production/Distribution
- 51223 - Music Publishers
- 512230 - Music Publishers
- 51224 - Sound Recording Studios
- 512240 - Sound Recording Studios
- 51229 - Other Sound Recording Industries
- 512290 - Other Sound Recording Industries
- 513 - Broadcasting and Telecommunications
- 5131 - Radio and Television Broadcasting
- 51311 - Radio Broadcasting
- 513110 - Radio Broadcasting
- 51312 - Television Broadcasting
- 513120 - Television Broadcasting
- 5132 - Pay TV, Specialty TV and Program Distribution
- 51321 - Pay and Specialty Television
- 513210 - Pay and Specialty Television
- 51322 - Cable and Other Program Distribution
- 513220 - Cable and Other Program Distribution
- 5133 - Telecommunications
- 51331 - Wired Telecommunications Carriers
- 513310 - Wired Telecommunications Carriers
- 51332 - Wireless Telecommunications Carriers (except Satellite)
- 513320 - Wireless Telecommunications Carriers (except Satellite)
- 51333 - Telecommunications Resellers
- 513330 - Telecommunications Resellers
- 51334 - Satellite Telecommunications
- 513340 - Satellite Telecommunications
- 51339 - Other Telecommunications
- 513390 - Other Telecommunications
- 514 - Information Services and Data Processing Services
- 5141 - Information Services
- 51411 - News Syndicates
- 514110 - News Syndicates
- 51412 - Libraries and Archives
- 514121 - Libraries
- 514122 - Archives
- 51419 - Other Information Services
- 514191 - On-Line Information Services
- 514199 - All Other Information Services
- 5142 - Data Processing Services
- 51421 - Data Processing Services
- 514210 - Data Processing Services
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