Customers We Serve

Proponent Defense maintains extensive experience supporting the Defense Logistics Agency, with a dedicated government contracts and business development team that provides end-to-end visibility into government procurement channels for complex military procurement and sustainment requirements.

Proponent Defense supports government agencies, military program offices, Defense Logistics Agency (DLA), depot maintenance organizations, and allied Ministries of Defense worldwide. Through responsive supply chain solutions and deep defense market expertise, we help sustain mission-critical platforms across the global defense ecosystem.

  • Military Program Offices
  • Defense Logistics Agency (DLA)
  • Government & Contractor Depots
  • Government Procurement Channels
  • Allied Ministries of Defense
Capitol building

Proponent Defense supports prime defense contractors across the aerospace and defense industries with the availability and visibility these complex programs depend on.

Lockheed Martin logo

Lockheed Martin

Boeing logo

Boeing

General Dynamics logo

General Dynamics

BAE Systems

Textron

Northrop Grumman

Proponent Defense supports MRO (Maintenance, Repair, and Overhaul) organizations with the parts, kitting solutions, and inventory programs that keep maintenance, retrofit, and overhaul operations running on schedule.

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Kitting for Maintenance & Overhaul

Pre-built kits eliminate the time technicians spend searching for components during maintenance checks, overhauls, and retrofits.

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Hard-to-Find & Obsolete Parts Sourcing

Our sourcing specialists track down components that have gone obsolete or hard to find, keeping overhaul schedules on track.

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Vendor-Managed Inventory for MRO

Vendor-managed inventory programs reduce the burden of monitoring and replenishment for MRO shops, so technicians stay focused on the work.

  • Defense Sustainment //

  • Proprietary Distribution //

  • Mission Readiness //

  • Global FMS/DCS Support //

  • AS9100D Certified //

  • July 20, 2026

    HC Pacific Rebrands as Proponent Defense at Farnborough International Airshow 2026

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  • March 27, 2026

    Come Visit us at MRO Americas 2026!

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  • March 3, 2026

    Proponent Helicopter Services Now Authorized Global Distributor for Donaldson Filtration Products

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  • February 24, 2026

    Join us at Verticon 2026 and for Happy Hour!

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