NPR of America, Inc.
Motor Vehicle ManufacturingKentucky, United States51-200 Employees
NPR of America, Inc. is a mid-sized motor vehicle parts manufacturer and a wholly owned subsidiary of Nippon Piston Ring Co., Ltd., established in 1973. Its U.S. corporate headquarters are in Bardstown, Kentucky, and it operates a Grand Haven, Michigan plant along with an OEM sales office in Novi, Michigan and an aftermarket sales office in Los Angeles, California. The company supplies internal combustion engine parts to original equipment manufacturers and the automotive aftermarket, emphasizing testing to ensure dependable performance and durability. In October 2024 NPR of America launched a redesigned online catalog to support customer access. In August 2025, NPR of America announced plans to close the Grand Haven, Michigan facility by 2027, with about 64 layoffs.