Fast, Easy, And Reliable - Aviation Parts Partner.

We know that aviation industry success requires more than having the right parts available. That is why we make it our business to provide our customers with unique solutions while adding value for our suppliers.
White jet engine plane, being working on in a hanger by two mechanics.

We Provide Customers with Unique Solutions.

Customers trust us to provide unique services and solutions. Our broad portfolio of in-stock items and same-day global shipping ensure quick access to the parts you need. Our customized solutions allow you to consolidate purchases to a single vendor to help reduce transaction costs.

Contact us today to discuss how we can help keep your fleet flying through customized parts and service solutions.

We Connect Suppliers to Aftermarket Customers.

As a stable employee-owned company, suppliers trust us to add value to their products. Our transparent, mutually beneficial supplier partnerships give you access to market insights you can use to enhance your products, reach new markets and build long-lasting relationships with customers.

Contact us today to learn how we can add value to your products as part of our customer solutions.

Our Customers Rely on Us to Enable Their Aviation Business Success.

Aviation companies around the world trust us to provide them with services and solutions that meet their unique needs. Through our partnerships with the biggest parts manufacturers and suppliers, we are able to provide the parts you need to ensure your aircraft fleet stays flying.

An Employee Owned Company

As an Employee Shared Ownership (ESOP) company for more than 30 years, our employees are our shareholders, and we want what is best for them. Our continued success demonstrates that what is best for our employees is what is best for our customers and suppliers.

Our NPS Strategy

Tracking our Net Promoter Score® (NPS®) is one important tool we use to make sure we’re always encouraging your feedback, acting on it, and holding ourselves accountable to our commitments.

A team of people are listening to a man talk

Our NPS Strategy

Tracking our Net Promoter Score® (NPS®) is one important tool we use to make sure we’re always encouraging your feedback, acting on it, and holding ourselves accountable to our commitments.

NPS SCORE: DECEMBER 2022

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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

Connecticut

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

US: Florida

Florida

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

US: California

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

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

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

Singapore

9 Seletar Aerospace Lane
797439
+65 3105 1990

We Deliver More Than Products.
We Deliver Solutions Unique to You.

We deliver more than products to our customers. We deliver unique solutions in the form of the quality parts and supplies that are vital to your aviation business. Being able to quickly deliver parts worldwide is one thing. Being able to quickly deliver product solutions that meet your unique needs is what we do.

Services & Solutions

24/7/365 AOG Support

Order the parts you need right now, any day, week, or hour.

Intelligent Stocking Solutions

Our data-driven analytics inform more efficient inventory decisions.

Bin Management

Our shelves are your shelves.

Custom Kitting

Everything you need for ongoing maintenance tasks in one place.

Vendor Consolidation

We’ll secure all the parts you need, whether we stock them or not.

GLOBAL DISTRIBUTION

Get your parts to your customers, wherever they are.

Beyond Distribution

Doing everything we can to deliver extra value along with your parts.

MANUFACTURING & PMA PARTS DEVELOPMENT

We’ll manufacture the parts your customers need, on-site.

Custom Storefront

Your parts, your paperwork, your box — our shelves, speed and reliability.

This Is David.
He's An Expert In You.

David is a dedicated, experienced customer service representative who understands your needs and the products we can provide you.

As an employee-owner, David strives to provide services they can be proud of.

A man sits at a conference table with a window behind him

This Is David. He's An Expert In You.

Since 2015, David has been a dedicated, experienced customer service representative who understands your needs, and the products we can provide you.

As an employee-owner, David strives to provide services they can be proud of.

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