Mahachai Hospital Public Company Limited engages in the operation of private hospitals in Thailand. The company operates its hospitals under the Mahachai, Mahachai 2, Mahachai Petcharat, Mahachai 3, Mahachai Maeklong, and Mahachai Prom Pathya names. It is also involved in the trading of medical and other supplies. The company was incorporated in 1987 and is headquartered in Samut Sakhon, Thailand.