Industry

Industry is any part of an economy, a group of enterprises, that creates a particular type of products.

Sector

Industry sectors
Sector	Class	Industry examples
Primary	Raw materials	Agriculture, mining
Secondary	Manufacturing	Food, clothing, wood, printing, petroleum, chemical, metal, transport, machinery
Secondary	Infrastructure	Construction, energy, water service, waste disposal
Tertiary	Real service	Transportation (warehousing, delivery); Market exchange (retail trade, wholesale trade); Enterprise support (banking, insurance, investment management, accounting, legal service); Public service (defense, public safety, social assistance); Human development (education, vocational training, community outreach); Live-sustaining (healthcare, hospitality, entertainment, food service, administrative service, cleaning, performing arts, recreation service, sports activity, property administration)
Quaternary	Digital	Telecommunication, multimedia, information technology, digital publishing, broadcasting, Internet service, web search, data processing

Main wikipage: Industrial classification