incolex petroleumllc LLC is a leading trading company based on its Foundation Charter, organized and validly existing under the laws of The Russian Federation.incolex petroleumllc LLC is the official/authorized Mandate to one large Seller (Title Holder). Furthermore, we represent other suppliers, including oil producing countries, refineries and Title Holders, all of whom are able to fulfill buyer's requirements quickly and responsibly. We facilitate the sale of most Fuel derivatives such as Gasoline, D2, ULSD, Jet Fuel, Mazut, Heavy Fuel Oils, LNG, LPG, and more.