Become a Neste supplier. Let's grow together sustainably. We want to build business relationships based on mutual benefits, trust and respect. Sell renewable raw materials Sell UCO and other renewable raw materials to Neste Neste is a global buyer of used cooking oil (UCO), waste animal fat and a variety of other renewable raw materials. We are continuously searching for new suppliers to grow sustainably with us. Neste procurement Procurement of materials, equipment and services Neste Procurement is responsible for all sourcing, supplier management and purchasing except renewable feedstocks and crude oil.