Rhythm Healthcare, formerly Lifestyle Mobility Aids, makes respiratory and durable medical equipment for care delivered at home, with portable and stationary oxygen concentrators at the center of its business. Founded in 1992, the company has grown from its mobility-aids roots into a provider-focused operation with a 60,000-square-foot distribution center in Atlanta and international operations launched in 2025. Its Rhythm Resolve program replaces qualifying oxygen equipment with brand-new units and offers zero-dollar exchanges, reflecting a distinctive focus on reducing disruption for HME providers and their patients.
Inogen, IncSince 2001, Inogen has developed and makes portable oxygen concentrators for people receiving respiratory therapy, with its pulse-dose systems designed for use beyond the home. The company says it has sold or rented more than one million units worldwide and distributes its concentrators through international partners in more than 59 countries. Its current product line includes the Inogen One G5 and the newer Rove systems, supported by published clinical research and a focus on extending device service life.BROOKLYN, OH
Level 1 Medical ProductsFounded in 1986, Bensalem-based Level 1 Medical Products supplies home medical equipment that helps seniors and people with mobility or respiratory needs remain independent. The company is particularly focused on portable oxygen concentrators and straight stairlifts, offering installation and short-term oxygen rentals, including support with airline documentation for travelers. It says its devices follow FDA guidelines and Good Manufacturing Practices, with an emphasis on American-made products.BENSALEM, PA
CAIRE IncFor more than 50 years, CAIRE Inc. has built its identity around oxygen, developing delivery equipment for people who rely on respiratory care and for commercial users who generate gas onsite. Headquartered in Ball Ground, Georgia, the company became part of Japan’s Niterra in 2018 and continues that oxygen-focused work through its medical and AirSep commercial operations.BUFFALO, NY
Drive MedicalDrive Medical is a leading manufacturer of durable medical equipment with a complete line of life-enhancing products focused on innovation, functionality, and value. The company manufactures and supplies a wide range of respiratory therapy products and other medical equipment, serving customers in more than 100 countries.SOMERSET, PA