Fuel maintenance and testing services for diesel fuel users. Fuel polishing services available throughout USA. Largest US distributor of Algae-X fuel conditioning products. In-Line fuel conditioners, fuel catalyst, portable fuel polishing systems, and permanent fuel polishing systems are available. We provide equipment and services to the power generation, commercial marine, mining, rail, trucking, RV, and yachting industries. Based in the Great Lakes Basin, we have grown to cover 14 states. We ship all over the world. We can, and do, service Fortune 10 companies as well as the single individual.