"Incorporated in 1950, The Penray Companies continue to grow strong after 50 years of service in the heavy-duty and automotive chemical industry. There are two main plants where we manufacture both liquids and aerosol products. They are in Elk Grove Village and Wheeling Illinois. Penray is comprised of four separate business units: heavy-duty, automotive, export, and custom manufacturing.
The heavy-duty division is known as Power Fleet. This division markets the Pencool® brand engine coolant products. These products are the most respected in the industry and include antifreeze inhibitors, supplemental coolant additives (SCAs), diesel fuel additives, and the advanced" ...
Penray Companies
