Avid Bioservices, Inc., a contract development and manufacturing organization, provides process development and current good manufacturing practices (CGMP) clinical and commercial manufacturing services focused on biopharmaceutical drug substances derived from mammalian cell culture. It produces monoclonal antibodies and recombinant proteins; and offers services, including CGMP clinical and commercial drug substance manufacturing, bulk packaging, release and stability testing, and regulatory submission and support. The company also provides various process development services, such as upstream and downstream development and optimization, analytical methods development, testing, and characterization. It serves biotechnology and pharmaceutical companies. The company was formerly known as Peregrine Pharmaceuticals, Inc. and changed its name to Avid Bioservices, Inc. in January 2018. Avid Bioservices, Inc. was incorporated in 1981 and is headquartered in Tustin, California.