Tier 1 Suppliers (Prime Contractors & Major System Integrators)

These companies supply complete systems or major subsystems directly to Lockheed Martin, the prime manufacturer of the C-130.

Lockheed Martin Aeronautics

Role: Prime manufacturer and system integrator

Location: Marietta, Georgia, USA

Details: Responsible for the overall design, assembly, integration, and certification of the C-130J.

Rolls-Royce

Role: Propulsion System

Component: AE 2100D3 Turboprop Engines

Location: Indianapolis, Indiana, USA

Collins Aerospace

Role: Avionics & Cockpit Displays

Component: Glass Cockpit, Navigation, Communications, and Mission Systems

Location: Cedar Rapids, Iowa, USA

Northrop Grumman

Role: Defensive Avionics & Electronic Warfare Systems

Component: AN/ALQ-213 Electronic Warfare Management System

Location: Falls Church, Virginia, USA

Moog Inc.

Role: Flight Control Systems

Component: Hydraulic and Electrical Actuation Systems for Flight Surfaces

Location: East Aurora, New York, USA

Dowty Propellers (A subsidiary of Collins Aerospace)

Role: Propeller System

Component: R391 Six-Bladed Composite Propeller

Location: Gloucestershire, UK


Tier 2 Suppliers (Sub-System & Component Manufacturers)

These companies provide specialized components and subsystems to Tier 1 suppliers.

Honeywell Aerospace

Role: Auxiliary Power Unit (APU)

Component: 85-Series APU for Ground Power

Location: Phoenix, Arizona, USA

Parker Aerospace

Role: Fuel Systems, Hydraulics, and Actuation Components

Component: Fuel Pumps, Hydraulic Actuators, and Flight Control Systems

Location: Irvine, California, USA

BAE Systems

Role: Electronic Warfare & Countermeasure Systems

Component: AN/ALR-56 Radar Warning Receiver

Location: Nashua, New Hampshire, USA

Triumph Group

Role: Structural Components & Wing Spars

Component: Fuselage Structural Assemblies and Wing Spars

Location: Berwyn, Pennsylvania, USA

Goodrich (Part of Collins Aerospace)

Role: Landing Gear & Braking Systems

Component: Main & Nose Landing Gear Assemblies

Location: Troy, Ohio, USA


Tier 3 Suppliers (Raw Materials & Small Component Manufacturers)

These suppliers provide materials, small components, and hardware to Tier 2 and Tier 1 companies.

Arconic (Previously Alcoa Defense)

Role: Aluminum & Titanium Structural Materials

Component: Airframe Aluminum Alloys

Location: Pittsburgh, Pennsylvania, USA

Spirit AeroSystems

Role: Composite and Metal Structures

Component: Secondary Structural Components

Location: Wichita, Kansas, USA

Esterline Technologies (Part of TransDigm Group)

Role: Cockpit and Instrumentation Components

Component: Pilot Control Panels & Display Electronics

Location: Bellevue, Washington, USA

SKF Aerospace

Role: Bearings & Sealing Systems

Component: Bearings for Flight Controls & Propeller Systems

Location: Gothenburg, Sweden

PPG Aerospace

Role: Aircraft Transparencies & Coatings

Component: Cockpit Windows & Canopies

Location: Sylmar, California, USA