Lists of companies in Japan

Category: IT & Telecommunications

Computer hardware companies	Computer networking companies
Computer software companies	Cyber security companies
Game companies	Mass media companies
Printing companies	Publishing companies
System development companies	Telecommunications companies
Video production companies	Web service companies

Agriculture / Forestry / Fishery	Manufacturing
Energy & Resources	IT & Telecommunications
Vehicles & Transportation	Wholesale / Retailing
Finance / Insurance	Construction & Real Estate
Academic Research / Technical Service	Accommodation / Tourism / Foods
Daily-life-related Services / Entertainment	Education
Medical / Welfare	Services
Others