BWXT vs JHX Comparison

BWX Technologies Inc is a specialty manufacturer and service provider of nuclear components, operating in two segments: Government Operations and Commercial Operations. The Government Operations segment produces naval nuclear reactors and fuel for the U.S. Naval Nuclear Propulsion Program, while the Commercial Operations segment designs and manufactures commercial nuclear steam generators, heat exchangers, pressure vessels, reactor components, and other auxiliary equipment, including containers for the storage of spent nuclear fuel and other high-level nuclear waste. The majority of the company's revenue comes from Government Operations, with sales principally in the United States, Canada, and other regions.

James Hardie is a manufacturer of fiber cement-based building products, selling primarily to the residential construction industry. North America is the primary geography, generating about 80% of group earnings. Here, it is the largest manufacturer of fiber cement, which is mainly used for exterior siding on houses. Following the Azek acquisition in 2025, it also produces wooden composite decking materials, siding trims, and accessories for outdoor areas including stair and deck railing. Businesses in Australia, New Zealand, and Europe, make up the rest of earnings.