Promasidor Nigeria Limited is a consumer packaged goods company headquartered in Isolo, Lagos. It is a subsidiary of South Africa based Promasidor Holdings. The firm's major brands include Cowbell milk, Loya milk, Sunvita cereal, Onga seasoning and Top Tea beverages. The firm introduced the sale of powdered milk in sachets which was later followed by competitors. The firm is a leading producer of milk in Nigeria.