Principal Capital Public Company Limited is a Thailand-based company engaged in the real estate development. The Company focuses on property development in the central business district and prime areas, such as the areas closed to Bangkok Mass Transit System (BTS) and Mass Rapid Transit (MRT). The Company operates residential properties for sale and commercial buildings for rent. It develops single-detached houses, townhouses, condominiums, service apartments, office buildings, shops, hotels and resorts. The Company's projects include The Baan Ravipa Sukhumvit, Marriott Executive Apartment Sathorn Vista, St. Louis Grand Terrace, Silom Grand Terrace and Silom Terrace.