L T Harnet Trucking, 1275 Pennsylvania Ave, East Liverpool, OH 43920, US

Ergon manufactures and distributes asphalt, asphalt emulsions and specialty oils. The company is also a manufacturer of melt-blown roll goods used in applications such as air and liquid filtration, polypropylene sorbents, surgical face masks and single-use respirators. Ergon operates diverse businesses under two primary groups. The engineered products and services group includes operations as a refiner, transporter, producer, distributor and marketer of petroleum products. The manufactured products group manufactures and markets various products ranging from computer boards and systems to road maintenance products and equipment. Ergon has a refinery facility in Newell, W.Va., to process selected appalachian paraffinic lube crudes, principally from fields in Ohio, West Virginia and Pennsylvania.