Safe Propane Safety Update Northern Partners Cooperative operates one of the top Energy Departments in the State of Illinois. We strive to bring success to all of our customers’ operations. Our Delivery Specialists have the expertise and the experience to recommend and provide not only the proper product, but also top quality products for the intended operations of our customers. NPC offers a full selection of fuel types. Diesel, Bio-Diesel, Gasoline and Premium Diesel products. We have multiple refinery locations to pull from in our trade territory. No operation is too big or too small for us. NPC is able to offer competitive fuel prices and quality products for customers. As the Market changes, we try to assist in managing it for your benefit. We have many different options as far as fuel contracting, market management monitoring systems, and access to some of the top traders and consultants in the energy market.