D-J Engineering

D-J Engineering

D-J Engineering, Inc.

Conway Springs, KS, United States

Air SystemsMRO & LogisticsDual-use
201-500 employeesContract Manufacturer, Subsystem ManufacturerSupplies Air Forces, Defense Industry
Profile last updated: May 7, 2026

About

D-J Engineering is a defense contract manufacturer based in Conway Springs, United States working in air systems, mro & logistics.

D-J Engineering is a U.S.-based aerospace manufacturer, repair station and MRO provider with facilities in Conway Springs and Augusta, Kansas, and Gander, Newfoundland. The company produces complex aerospace parts, large assemblies, aluminum extrusions, metal formed components, tooling and ground support equipment, and composite and bonded metal components through its D-J Composites division. Capabilities include CNC machining, metal forming, in-house heat treatment, welding, non-destructive testing, engineering and CATIA-based design, and hydraulic component overhaul. The company is FAA approved to perform work on various military aircraft as well as commercial and general aviation aircraft, including helicopters and business jets, and holds Transport Canada approval for issuing release certificates for civil aviation parts. D-J Engineering is registered under the Canadian Controlled Goods Program, which governs the transfer of military technical data and drawings between Canadian and U.S. organisations. It holds ISO 9001 and AS9100D certifications and Nadcap accreditations in several processes.

Location

Conway Springs, United States

Employees

201-500

Legal name

D-J Engineering, Inc.

Focus areas

aerospace manufacturingMROFAA repair stationaluminum extrusionscompositesheat treatmentmetal formingtoolingCNC machiningnon-destructive testingmilitary aircraftControlled Goods Program

Languages

EN

Products & capabilities

Defense domains

Air SystemsMRO & Logistics

Supply-chain role

Contract ManufacturerSubsystem ManufacturerMRO & Services

What they offer

Manufacturing ServicesEngineering ServicesMaintenance & Repair

Markets

Also sells to civilian markets

Products

Aluminum extrusions

Aerospace extrusion

Custom and low-production aircraft alloy aluminum extrusions, produced on an in-house extrusion press, with optional CNC milling, profiling, forming or joggling.

Composite and bonded metal components

Aerospace composite component

Composite and bonded metal components for the aerospace industry, produced by D-J Composites, Inc.

Aerospace tooling and ground support equipment

Tooling

Tooling design and fabrication from concept through final shipment, with a focus on ground support equipment.

Flight structures and parts

Aerospace structure

Machined, formed, welded and assembled flight-critical parts and critical flight structures for aircraft, including large assemblies and legacy parts.

End users

Air ForcesDefense Industry

Standards, platforms & customers

Defense standards

Canadian Controlled Goods Program

Named customers

Bell HelicopterBoeingCessna

Credentials & affiliations

Certifications

ISO 9001

Issued by: Not stated

AS9100D

Issued by: Not stated

FAA Certified Repair Station

Issued by: Federal Aviation Administration

Transport Canada Approved Manufacturer

Issued by: Transport Canada

Nadcap Accreditation (welding, composites, chemical processing, non-destructive testing)

Issued by: Performance Review Institute (PRI)

People

Management & team (1)

Other defense companies in United States

View all