Supalai Public Co., Ltd. engages in the business of property development. It operates under the Real Estate Business, and Hotel Business and Management segments. The Real Estate Business segment includes developing and constructing detached houses, town houses, condominiums, and office buildings. The Hotel Business and Management segment focuses on operating hotels and resorts. The company was founded by Prateep Tangmatitham on June 26, 1989 and is headquartered in Bangkok, Thailand.