Founded in 1978, Pacific Pulmonary Services is one of the largest providers of medical equipment in the United States. Located in Chico, Calif., the company provides home oxygen as well as respiratory medications equipment and services. It also offers services for home oxygen therapy, sleep therapy and nebulized medications. The company specializes in serving patients with chronic obstructive pulmonary disease, obstructive sleep apnea and congestive heart failure. Pacific Pulmonary Services accepts insurance polices from a range of insurance companies.