proponent |prəˈpōnənt| 
Noun: an advocate; a champion; a supporter.

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. 

For us, proponent is a one-word mission statement. It represents the value we place on relationships and championing our suppliers, our customers, our employees and each other. We know you need a partner to deliver high-quality aircraft parts, global scale & partnerships, and reliable on-time performance  — and these are important parts of our business. But we think you deserve more from your aerospace distributor.  You deserve expertise, you deserve flexibility, you deserve creativity — you deserve a true partner.

We are Proponent, and we work hard to be that partner.

We’re invested in your success – literally!  Proponent is proudly a 100% employee-owned company, with 600 staff operating out of 12 facilities in 8 countries across the globe.  From the warehouse floor to the boardroom, we are working for you.

Aviation & Aerospace

Proponent

Proponent's headquarters in Brea, CA, United States

This department oversees the acquisition of goods and services, ensuring efficient purchasing and vendor relations.

Procurement Division

The Customer Relationship Management (CRM) team at Proponent is dedicated to nurturing and enhancing partnerships with clients in the aerospace sector. This team focuses on developing strategies to understand customer needs, providing tailored solutions, and ensuring exceptional service delivery. By leveraging their expertise, CRM professionals work closely with strategic accounts and manage ongoing customer interactions to foster long-term loyalty and satisfaction. Through a collaborative approach, they aim to position Proponent as a trusted partner in the aviation industry, championing both customer and supplier success.

Customer Relationship Management

This department focuses on guiding the development and strategy of products from conception to launch.

Product Management

The Leadership Team at Proponent is responsible for steering the company's strategic direction and fostering a culture of collaboration and innovation. Comprising executives from various functional areas, the team focuses on enhancing operational efficiency, driving business growth, and strengthening relationships with customers and suppliers. By leveraging their collective expertise, they ensure Proponent remains a trusted partner in the aerospace industry, championing the needs of both the company and its stakeholders.

Leadership Team

This department focuses on fostering and maintaining relationships with key clients to drive strategic growth and satisfaction.

Account Management

This department oversees and optimizes organizational processes and resources to enhance efficiency and effectiveness.

People (8)

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Other teams

Customer Relationship Management

Product Management

Leadership Team

Account Management

Operations Management