This is the homepage of the Earth Plan Group for ground surveys, ground improvement works, housing foundation works, and special works. Sales office｜Site map This survey method is suitable for detached houses. Achieves space saving, short time, and low cost. >> Click here for details We use a variety of construction methods to carry out construction in all situations. >> Click here for a list of construction methods We handle the settlement correction method that restores the inclination of the house. >> Click here for details We guarantee the ground quality as FC of Japan Home Shield. >> Click here for details 2014/09/22 Introduced the installation and gantry construction of mega solar (solar system) posted. 2012/06/28 The homepage has been renewed. HOME｜Earth Plan Co., Ltd.｜Earth Construction Co., Ltd.｜Sales Office｜Ground Survey｜Reinforcement Work｜Ground Support System｜Subsidence Correction Work｜Research and Development｜Site Map