Jastec Co., Ltd. engages in the software development business. It operates through the following business divisions: Software Development, System Sales, Purchased Product Sales, Advertising Agency, and Others. The Software Development division offers commissioned software development and system integration services. The System Sales division handles the sale of software products made by the company. The Purchased Product Sales division manages the purchase and sale of software products from Japan and overseas. The Advertising Agency division covers job advertisements through its subsidiary. The Others division includes consulting, investigation, and research and analysis related to the technology development of the company and to information system construction. The company was founded by Shigeru Kamiyama on July 16, 1971 and is headquartered in Tokyo, Japan.