Aisan Technology Co., Ltd. engages in the design, development, distribution and maintenance of CAD (Computer-Aided Design) systems for public survey; registration surveying and civil engineering; and construction industries. Its operations are carried out through the following segments: Surveying System Solutions, Real Estate Leasing and Others. The Surveying System Solutions segment develops and distribute applications for utilizing new surveying technologies, facilitating works, and reducing costs for types of work such as surveying, construction; and land and house investigation. The Real Estate Leasing segment leases corporate offices. The Others segment engages in the development of analysis software and conversion module for world coordinate systems; research and development of software used for maintenance of 3D maps; 3 dimensional map measurement services and mobile mapping system sales business. The company was founded on August 12, 1970 and is headquartered in Nagoya, Japan.