Rotech Healthcare Inc. is a leading provider of home medical equipment and services in the United States. They specialize in respiratory therapy, sleep apnea treatment, and home medical equipment, offering products like oxygen concentrators, CPAP machines, and mobility aids. Rotech generates revenue through direct sales and rental of medical equipment, as well as providing ongoing patient care and support services. Founded in 1981, the company has a long history of growth and adaptation in the healthcare industry, with a focus on improving patient outcomes and quality of life.