N23D Services specializes in providing compressed air cylinders for evacuation slides, oxygen systems, and pneumatic systems. They offer a range of products including oxygen cylinders made of composite and steel materials, Zodiac and Goodrich evacuation slides, pneumatic bottles, wheels, brakes, and tooling design and fabrication services. The company caters to various sectors including commercial, regional, business jets, general aviation, and military, utilizing composites, steel, and titanium in their cylinder manufacturing. Additionally, their sister company, A&M, supplies wheels and brakes for aircraft of all sizes and OEMs. N23D is committed to delivering high-quality and safe products at competitive prices and on time.