Themis G.R.E.N. Ltd, a construction company, plans, develops, builds, and markets real estate projects in Israel and internationally. The company develops residential construction projects, commercial spaces, offices, and clinics, as well as parking lots, balconies, service areas, etc. It also operates fitness and health club in the Czech Republic. The company was formerly known as B. Yair Building Corporation 1988 Ltd. The company was incorporated in 1988 and is based in Herzliya, Israel.