This category focuses on distinct, yet closely related industries: Biotechnology and Pharmaceutical manufacturing. Increasingly, companies focusing on biotechnology are also involved with pharmaceutical production, and vice versa. Biotechnology Industry: Companies engaged in the use of cellular and molecular processes for the purposes of drug discovery and production, research, and biologically engineered food production. Pharmaceutical Industry: Includes over-the-counter drug makers, vitamin and nutritionals companies, makers of drug delivery and diagnostic substances, and wholesale drug distributors.