List of Specific Industries
North American Industry Classification System (NAICS) codes for this industry
[ 519130 ] = Internet publishing and broadcasting and web search portals — Business directory publisgers, exclusively on Internet
[ 541870 ] = Advertising material distribution services — Directory, telephone, distribution on a contract basis
These directories may not assign qualifications (vetting) to be shown except that companies produce home network products, offer related services, or otherwise are involved with the home network industry. These directories would possibly be an extension of products already offered by companies in the directory business. There may be sections for hardware, software, firmware, designing, manufacturing, selling, installing, subcontracting, retailing, and specific sections for every possible application. Directories may be printed, circulated on media, or available online via subscriptions.