As an employee-owned company, our success is reflected in yours. We are the world’s largest independent, employee-owned distributor of aircraft parts and supplies, and we have built our business around the idea of providing unique solutions to individual customers. With over 500,000 priced parts available, and same-day shipping worldwide, we provide you with what you need when you need it.
Who We Are
Our goal is simple: to be a fast, simple, and reliable partner. We believe that this starts by listening to our customers, learning their unique objectives, and working together to deliver customized solutions and services to ensure their success. We also work closely with our suppliers to provide insights into the aftermarket, helping them grow their businesses.
Proponent grew out of a partnership between Kapco Global and Avio-Diepen, with nearly 50 years of aerospace expertise and a shared perspective on what an aerospace distributor can be. As an employee-owned company, we work hard every day to add value to our suppliers’ and customers’ supply chains, helping ensure the future success of aviation businesses worldwide.