Onkens Inc is a manufacturer of steel tanks and containers used for storage of oils and recyclables. Currently our tanks and containers are used to store used cooking oil, new and used automotive oil and lubes and antifreeze but offer versatility for other recyclable products. Our single and double wall automotive oil tanks are UL142 certified. In addition, we also have a full service truck and body shop where we manufacture bulk recycling trailers and truck bodies used in the collection of recyclable materials.