Proponent is the new name for the combined company formed by Kapco Global, Avio-Diepen and their subsidiaries. With 115 years of collective experience supporting the MRO, OEM and commercial airline markets, Proponent is the world’s largest independent aerospace distributor.

Proponent is positioned as a one-word mission statement. It reflects the value the company places on strong relationships and on championing suppliers, customers and employees alike.

Customers rely on Proponent to deliver high-quality aircraft parts, global scale and partnerships, and reliable on-time performance. Beyond these fundamentals, the company believes the industry deserves more from an aerospace distributor: deep expertise, flexibility, creativity and the commitment of a true partner. Proponent is dedicated to fulfilling that role.

The company is fully invested in customer success. Proponent is 100% employee-owned, with a workforce of 600 people operating from 12 facilities across eight countries worldwide. From the warehouse floor to the boardroom, the organisation is aligned around delivering value for its customers.