RGEN vs GIL 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.

Gildan is a vertically integrated designer and manufacturer of basic apparel, including T-shirts, underwear, socks, and hosiery. Its primary market is the sale of blank T-shirts, sweatshirts, and other apparel to wholesalers, major clothing brands, and printers (printwear). Gildan also sells branded clothing through retail and direct-to-consumer channels. Brands include Gildan, American Apparel, Comfort Colors, and Gold Toe. Gildan produces most of its clothing at factories in Latin America and recently began operating a new plant in Bangladesh. Incorporated in 1984, the Montreal-based company operates internationally but generates nearly 90% of its sales in the US.