American Diagnostic Corporation (ADC) was founded in 1984. In just over two decades, ADC has grown into one of the world's premier suppliers of diagnostic medical products, personal instruments, and accessories for the healthcare industry. ADC's corporate headquarters, located in Hauppauge, NY occupies a 44,000 square foot state-of-the-art office, quality control, manufacturing, and distribution facility. Sales offices in London, England, and Tokyo, Japan service our European and Pacific Rim distribution. Quality control and sourcing offices Taipei, Taiwan and Ningbo, China oversee ADC's Asian manufacturing facilities. ADC products are sold on 6 continents in over 30 countries and are in use by thousands of health care institutions and millions of health care professionals world wide.