Business Field :
(1) Civil engineering and building construction, including surveys, measurements, planning, designing, execution, supervising, technical guidance commissioning, and consulting work (consulting services)
(2) Real estate transactions and the ownership and use of real property.
(3) Soil survey and purification work including the collection, handling, and disposal of waste, and consulting work (consulting services) relating to such business.
(4) Planning, designing, and consulting work (consulting services) relating to area development, urban development, and environmental improvements.
(5) Power generation and electricity, thermal, and other energy supply business.