United-Guardian, Inc. is an integrated research, development, manufacturing, and marketing company. The Company supply products to the personal care, health care, industrial, and pharmaceutical sectors. The company's products are developed and manufactured by its Guardian Laboratories Division. The personal care and cosmetic ingredients are marketed through a worldwide network of marketing partners and distributors. The pharmaceuticals are sold to full-line drug wholesalers, which distribute them to pharmacies, hospitals, physicians, long-term care facilities, and other health care providers. The health care products are marketed to manufacturers of medical devices and other medical products, which incorporate them into their finished products and distribute them to hospitals, pharmacies, and other health care facilities. The Company’s two major product lines, Lubrajel and Renacidin Irrigation (Renacidin) together accounted for 94.4% of revenue as of December 31, 2013.