AOS vs RGEN Comparison

A.O. Smith manufactures a broad lineup of water heaters, boilers, and water treatment products. The company has two reporting segments: North America (75% of sales) and rest of world (25% of sales). A.O. Smith is the leading manufacturer of water heaters in North America for the residential and commercial markets, with approximately 37% and 54% market share, respectively. Residential water heaters account for most of North American sales and are distributed equally through wholesale and retail channels. Most of A.O. Smith's international revenue is from China, a market the company entered during the mid-1990s. However, the firm announced a strategic review of its China operations.

Repligen, headquartered in Waltham, Massachusetts, is a global life sciences company that develops and sells bioprocessing equipment and supplies used in the manufacturing of biologic drugs, including monoclonal antibodies, recombinant proteins, vaccines, and cell and gene therapies. Its customers include biopharmaceutical companies, contract development and manufacturing organizations, or CDMOs, and other life science companies. It sells four main product categories: filtration (including fluid management) is the largest category and was 58% of 2024 revenue, while chromatography, proteins, and process analytics were 19%, 12%, and 9%, respectively. Customers in North America, Europe, and Asia Pacific contributed 44%, 37%, and 19% of revenue, respectively.