Enpro Inc formerly EnPro Industries Inc is a United States-based company that designs, develops, manufactures, and markets proprietary engineered industrial products. The company operates through three segments: Sealing Technologies, which derives maximum revenue, manufactures and markets sealing products, wheel-end components & systems; and Advanced Surface Technologies manufactures wafer processing sub-systems, thin-film coatings, optical filters, and other services like cleaning, coating, testing, and refurbishment. Its geographical segments are the United States, Europe, and other foreign countries.