Thanapiriya PCL engages in the operation of supermarkets. The company is involved in the retail and wholesale of consumer goods through its brand name Thanapiriya. Its products are divided into five categories: household, personal care, drinks and dried food; cosmetics and supplements; and baby care. The household products include detergent, dish washing liquid, fabric conditioner, tableware, and automotive cleaning. The personal care products include shampoo, conditioner, soap, toothpaste, powder, sanitary napkin, and paper towel. The drinks and dried food products cover tea, coffee, milk, seasoning, vegetable oil. The cosmetics and supplements products refer to skin care, foundation, lipstick, medicines and supplements. The baby care products include milk bottles, baby food, nappy, supersorber, toy and others. The company was founded by Thawatchai Phuttahiphiriya and Amorn Phutthiphiriya in 1965 and is headquartered in Chiang Rai, Thailand.