Enpro, Inc. engages in the design, development, manufacturing, and marketing of proprietary engineered industrial products. The company is headquartered in Charlotte, North Carolina and currently employs 3,500 full-time employees. The company went IPO on 2002-05-24. Its segments include Sealing Technologies and Advanced Surface Technologies. Sealing Technologies segment engineers and manufactures value-added products and solutions that safeguard a variety of critical environments, including metallic, non-metallic and composite material gaskets; elastomeric components; custom-engineered mechanical seals used in diverse applications; hydraulic components; test, measurement and sensing applications, and sanitary gaskets. Advanced Surface Technologies segment’s products and solutions include cleaning, coating, testing, refurbishment and verification for critical components and assemblies, and designing, manufacturing and selling specialized optical filters and proprietary thin-film coatings.