Welcome to ADVOC and Coroli Oil: Established over 48 years ago, Coroli has been bringing satisfied customers top-quality edible oil generation after generation. Coroli Oil, originally owned by CEBAG, was acquired by ADVOC in 2005. ADVOC, Abu Dhabi Vegetable Oil Company, established in 1998, has been continually innovating and creating new ways to bring even more healthy and improved edible oils and other food products to you, our customers.