RGEN vs NEU 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 (about 55% of total revenue), while chromatography, proteins, and process analytics are 21%, 11%, and 13%, respectively. Customers in North America, Europe, and Asia Pacific contribute about 44%, 37%, and 19% of revenue, respectively.

NewMarket Corp is a holding company that, through its subsidiaries, manufactures and sells petroleum additives used in lubricating oils and fuels to enhance performance. The company operates through two segments: petroleum additives, mainly represented by Afton, where lubricant additives improve the efficiency and durability of base fluids and fuel additives help meet fuel specifications and improve fuel performance, and specialty materials, represented by AMPAC and Calca, including the antiknock compounds business of Ethyl, where primary raw materials include electricity, sodium chlorate, ammonia, chlorine, caustic, and hydrochloric acid, with graphite used in electrolytic cells. The company has operations in North America, Latin America, Asia Pacific, and EMEAI regions.