Services & Solutions - Suppliers

Proponent isn’t just a name, it is our mission statement. We are more than an aviation parts distributor, as an employee-owned company for more than 30 years, we are committed to contributing to your success, to build transparent and long-lasting partnerships. We connect you to airlines and MRO companies around the world, and provide detailed market insights, analytics, and customer feedback about the demand for and use of your parts and products, becoming your extension into the aftermarket.
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Suppliers Trust Us to
Connect Them to Customers

Customer and suppliers around the world trust us to provide them with services and solutions that meet their unique needs. As the largest independent, employee-owned distributor, we have the scale and footprint to serve customers all over the world, while remaining flexible and agile to deliver customized solutions to meet your needs in the aftermarket.

What Sets Us Apart:

  • Employee Owned Company – Our team has a vested interest in your success
  • Unique, partnership-based culture
  • Investments and decisions are made with a long-term mindset with the interest of our clients & team in mind
  • Collaborative Sales Planning
  • Global Scale – Distribution Hubs & Offices in Strategic Locations Around the world.
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A Global Network For
Fast and Efficient Distribution.

With 12 locations globally and 7 distribution centers strategically placed in North America, Europe, and Southeast Asia, we can quickly and efficiently deliver your parts to your customers, 24/7. Our industry-leading market-demand intelligence insights, combined with our proprietary forecasting and inventory management system, optimizes inventory for availability and customer satisfaction.

Geometric map of the world
US: Proponent Warranty and Repair

Proponent Warranty and Repair

2999 West County Road 42
Suite #132
Burnsville, MN 55306
1-800-554-5856, x1145 or x1146

US: Connecticut


1 Industrial Park Rd.
Centerbrook, CT 06409
+1 860-581-5700

US: Florida


10601 State St. Suite 1
Tamarac, FL 33321
+1 954-247-6680

US: California


3120 Enterprise St.
Brea, CA 92821
+1 714-223-5400

US: Helicopter Services

Proponent Helicopter Services

2610 US-180
Mineral Wells, TX 76067

Europe: UK

United Kingdom

37 Woolmer Way
Bordon, Hampshire
GU35 9QE
+44 1420 482900

Europe: Netherlands


J. Keplerweg 16
2408 AC
Alphen a/d Rijn
+31 172 449 777

Europe: Germany

Germany (Proponent Battery Services)

Hessenring 4b
D-64546 Mörfelden-Walldorf
+49 6105 9701 0

Europe: Spain


C/Lopez de Hoyos 155
3rd Floor, Door 5
28002 Madrid
+34 91 721 0483

Asia: Guangzhou

Guangzhou, PR China

5501-1, B Tower
China International Center
Yuexiu District, Guangzhou
510055 PR China
+86 20 2232 6215

Asia: Hong Kong

Hong Kong

8/F Millennium City 3
370 Kwun Tong Road
Kwun Tong, Kowloon Hong Kong
+852 3956 0850

Asia: Singapore


9 Seletar Aerospace Lane
+65 3105 1990

Global Aircraft Parts Distribution

We connect aviation customers to your parts through our global distribution network.

Beyond Distribution

We add value to your parts by incorporating them into complete solutions for our customers.

Manufacturing & PMA Parts Development

We can produce individual PMA parts that meet your exacting quality standards.

Custom Storefront

We make it easy for you to distribute your parts via a customized storefront, even handling the logistics.

Warranty & Repair Administration

We provide a connection between airlines, MROs and distributors, and the warranty and repair services of leading aviation OEMs.


We maintain a library of data sheets and other information on the parts we distribute.

What our suppliers are saying

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