ResMed Inc., through its subsidiaries, engages in the development, manufacture, and distribution of medical equipment for treating, diagnosing, and managing sleep-disordered breathing and other respiratory disorders. It offers various products, including airflow generators, diagnostic products, mask systems, headgear products, and ventilation devices for the treatment of sleep-disordered breathing that includes obstructive sleep apnea and other respiratory disorders, as well as other optional accessories, such as cold passover humidifiers, carry bags, and breathing circuits. The company also provides data communications and control products consisting of EasyCare, ResLink, ResControl, ResControl II, TxControl, ResScan, and ResTraxx modules that facilitate the transfer of data and other information to and from the flow generators, as well as humidifiers, which connect with the continuous and variable positive airway pressure, and autoset flow generators. ResMed Inc. markets its products to sleep clinics, home healthcare dealers, and third-party payers. The company sells its products through a network of distributors and direct sales force in approximately 100 countries worldwide. ResMed Inc. was founded in 1989 and is headquartered in San Diego, California.