RGEN vs AEIS Comparison

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.

Advanced Energy Industries Inc provides precision power-conversion measurement and control solutions that transform power into various forms for use in manufacturing and industrial equipment and applications. The firm serves original equipment manufacturers and end customers in the semiconductor, flat panel display, solar panel, and other industrial capital equipment markets. Products include thin-film power-conversion systems, which control and modify raw electrical power into a customizable, predictable power source, and power control modules, which control and measure temperature during manufacturing cycles. A majority of the firm's revenue is generated in United States, with the rest from Mexico, Taiwan, China and All others.