EXPRESSION SYSTEMS LLC.

Expression Systems is a biotechnology leader specializing in baculovirus-mediated protein expression (BEVS) and insect cell culture technologies. The company manufactures chemically defined and animal-free cell culture media for insect (Sf9, Tni) and mammalian cell lines, including proprietary formulations such as ESF AdvanCD™, ESF 921, and ESF AF. Beyond media products, Expression Systems provides contract bioprocessing services covering vector design and construction, baculovirus production and titering, and protein expression/purification workflows. The company supports pharmaceutical research, biopharmaceutical manufacturing, and academic biotechnology applications requiring high-titer viral stocks and optimized protein yields.