GPC vs JHX Comparison

Genuine Parts sells aftermarket automotive parts (60% of sales) and industrial products (40% of sales) in the United States and internationally. The automotive segment primarily acts as a distributor to its network of 9,800 global retail locations, of which about two-thirds are independently owned and operated. We estimate Genuine serves around 6,000 retail locations in the US operating under the Napa Auto Parts brand, with about 80% of end-market sales derived from professional customers. Its industrial segment, primarily operating under the Motion name in the United States, is a leading distributor of bearings, power transmission, and other industrial products to more than 200,000 maintenance, repair, and original equipment manufacturer customers.

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.