East Penn Manufacturing has charged forward to become one of the US's leading makers of lead-acid batteries for the stationary, industrial, automotive, commercial, marine, and specialty markets. Under the Deka brand, the company manufactures batteries that provide juice to everything from farm equipment and road signs to vans and snowmobiles. East Penn also makes battery cables, starter cable, terminals, and other accessories. OEM customers have included such noteworthy names as Daimler Trucks North America, Deere & Company, and Harley-Davidson. The company exports its products worldwide.