Insights

Global Expansion Proponent is actively expanding its facilities, including recent developments in Newfoundland and Labrador and Crown land near Corner Brook, indicating opportunities for supply chain and infrastructure support for upcoming projects and new sites.

Strategic Partnerships Partnerships with Joramco and Avio-Diepen reinforce Proponent’s strategic position and showcase potential avenues for joint ventures or collaborative sales efforts in consumables, expendables, and maintenance support.

Market Leadership As the world’s largest independent aerospace distributor with a significant revenue base, Proponent offers a broad customer base and high-volume opportunities in aircraft parts distribution and OEM support.

Technological Infrastructure Proponent’s investment in robust technology stacks such as React, HPE Nimble Storage, and Microsoft IIS suggests a focus on efficient logistics, data management, and customer engagement—potential areas for technological solutions or service enhancements.

Financial Potential With revenues ranging from $100 million to over $1 billion and a diverse, global client base, there are considerable sales opportunities across various segments including parts distribution, logistics services, and new market entry initiatives.

Proponent Tech Stack

Proponent uses 8 technology products and services including SOLIDWORKS, Microsoft Excel, Font Awesome, and more. Explore Proponent's tech stack below.

  • SOLIDWORKS
    Cad & Graphics
  • Microsoft Excel
    Editors
  • Font Awesome
    Font Scripts
  • Microsoft
    Miscellaneous
  • Animate.css
    UI Frameworks
  • ZURB Foundation
    UI Frameworks
  • Popup Maker
    Web Platform Extensions
  • Microsoft IIS
    Web Servers

Proponent's Email Address Formats

Proponent uses at least 1 format(s):
Proponent Email FormatsExamplePercentage
FLast@proponent.comJDoe@proponent.com
50%
FLast@proponent.comJDoe@proponent.com
50%

Frequently Asked Questions

Where is Proponent's headquarters located?

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Proponent's main headquarters is located at 3120 Enterprise Street, Brea , CA 92821 , US. The company has employees across 4 continents, including North AmericaEuropeAsia.

What is Proponent's phone number?

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You can contact Proponent's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Proponent's official website and social media links?

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Proponent's official website is proponent.com and has social profiles on LinkedIn.

What is Proponent's NAICS code?

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Proponent's NAICS code is 3364 - Aerospace Product and Parts Manufacturing.

How many employees does Proponent have currently?

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As of October 2025, Proponent has approximately 501 employees across 4 continents, including North AmericaEuropeAsia. Key team members include Vice President Sales, Americas: L. N.Vice President Strategic Growth Defense Sector: H. E.Vice President Of Business Development And Contracts: B. H.. Explore Proponent's employee directory with LeadIQ.

What industry does Proponent belong to?

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Proponent operates in the Aviation and Aerospace Component Manufacturing industry.

What technology does Proponent use?

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Proponent's tech stack includes SOLIDWORKSMicrosoft ExcelFont AwesomeMicrosoftAnimate.cssZURB FoundationPopup MakerMicrosoft IIS.

What is Proponent's email format?

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Proponent's email format typically follows the pattern of FLast@proponent.com. Find more Proponent email formats with LeadIQ.
Proponent

Proponent

Aviation and Aerospace Component ManufacturingUnited States501-1000 Employees

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.

Section iconCompany Overview

Headquarters
3120 Enterprise Street, Brea , CA 92821 , US
Phone number
NAICS Code
3364 - Aerospace Product and Parts Manufacturing
Employees
501-1000

Section iconFunding & Financials

  • $100M$250M

    Proponent's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    Proponent's revenue is estimated to be in the range of $100M$250M

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