D-J Engineering Group Inc.

What D-J Engineering Group Inc. does

D-J Engineering Group Inc. is a privately held aerospace manufacturer founded in 1990 and headquartered in Augusta, Kansas. The company specializes in flight-critical aerospace structures and assemblies — particularly difficult, complex, legacy, and emergent projects that other manufacturers decline to take on — operating through three wholly-owned divisions: D-J Engineering (Augusta, KS) for machining, forming, welding, NDT, FAA repairs, and assemblies; D-J Extruding (Conway Springs, KS) for in-house aluminum extrusions up to 8 inches in diameter; and D-J Composites (Gander, Newfoundland, Canada) for composite and bonded metal components. The company is led by President and CEO Rezaul Chowdhury.

Technically, D-J operates a vertically integrated "one-call" manufacturing platform spanning CNC machining (including 5-axis gantries producing parts up to 60 feet), metal forming (including a patented CNC Stylus Forming Process and a 3,500-ton press), aluminum extrusion, composites fabrication (autoclave up to 120 psi at 400°F, Class 100,000 clean room), heat treatment (including one of the region's largest 35-foot drop water quench furnaces), resistance and fusion welding, non-destructive testing, tooling, and engineering/design supported by CATIA. The workforce has grown from six employees to over 300 across three campuses.

Commercially, D-J generates revenue through project-based custom manufacturing contracts with aerospace OEMs and tier-1 suppliers under multi-year agreements, plus FAA-certified repair station services for commercial, military, and general aviation aircraft including helicopters and business jets. The customer base includes Boeing, AgustaWestland/Leonardo, Sikorsky, and Bombardier on the commercial side and the U.S. Air Force and U.S. Navy on the defense side, supported by specific OEM process approvals (e.g., Boeing BAC5317 series, Sikorsky SS-spec series). Pricing is quote-based and bespoke; revenue is not publicly disclosed. The company's go-to-market is direct enterprise field sales with no channel partners or resellers, and demand is generated largely through the OEM approval-and-qualification process and NADCAP/AS9100D certifications rather than traditional marketing.

Name

D-J Engineering Group Inc.

Legal name

D-J Engineering, Inc.

Website

https://djgrp.com

Company type

Private

Founded year

1990

Operating status

Operating

Headcount range

101–250 employees

Short description

D-J Engineering Group is a privately held aerospace manufacturer founded in 1990, specializing in flight-critical structures, assemblies, and FAA-certified repairs across machining, extrusions, composites, heat treatment, and metal forming. It serves aerospace OEMs (Boeing, Sikorsky, AgustaWestland, Bombardier) and U.S. military programs from three North American facilities with 300+ employees.

Ownership category

akta.pro rank

Product category

Aerospace Manufacturing

NAICS

Aerospace Product and Parts Manufacturing (33641), Other Aircraft Parts and Auxiliary Equipment Manufacturing (336413), Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing (336419)

SIC

Aircraft & Parts (3720), Aircraft (3721)

akta.pro primary industry

Structural Assemblies & Integration (Airframe Subassemblies) (IMABAEAD)

akta.pro secondary industries

Primary Airframe Structures (Fuselage, Wing, Empennage) (IMABAEAA), Metal Airframe Structures & Machined Parts (IMABAEAC), Aerospace Fasteners & Hardware (IMABANAA)

Keywords

• Aerospace manufacturing
• Aluminum extrusions
• Flight-critical structures
• FAA certified repairs
• Composite fabrication

Headquarters

HQ city

Augusta

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Supply Chain, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Custom Aerospace Manufacturing: Project-based custom manufacturing of aerospace structural components, assemblies, and parts for OEM and tier-1 suppliers. Revenue generated through direct contracts for complex, difficult-to-manufacture aerospace parts and assemblies.
2. FAA Repair Station Services: FAA certified repair and overhaul services for commercial, military, and general aviation aircraft including helicopters and business jets
3. Composites Manufacturing (D-J Composites Division): Composite and bonded metal component manufacturing from dedicated facility in Gander, Newfoundland, Canada

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

D-J Engineering Group is an aerospace manufacturing company that produces aviation assemblies and flight-critical structures, specializing in difficult projects other manufacturers refuse to take on. The company operates three divisions — D-J Engineering, D-J Extruding, and D-J Composites — providing integrated capabilities including CNC machining, aluminum extrusions, metal forming, composites fabrication, welding, heat treatment, non-destructive testing, tooling, and FAA-certified repair services.

Product overview

D-J Engineering Group Inc. is an aerospace manufacturing company offering a comprehensive suite of engineering and manufacturing services organized as distinct capability areas rather than a unified software platform. The company operates three main divisions: D-J Engineering (aerospace manufacturing, Augusta, KS), D-J Extruding (aluminum extrusions, Conway Springs, KS), and D-J Composites (composite components, Gander, Newfoundland). Core capabilities span aluminum extrusions, large-scale assemblies, composites, heat treatment, metal forming, machining and milling, welding, non-destructive testing, tooling, engineering and design, inspection and quality assurance, and FAA certified repairs. The company emphasizes integrated manufacturing where one supplier handles multiple processes, and holds multiple Nadcap and AS9100D certifications.

Differentiator

Problem solved

Functional benefit

Products and services

• Aluminum Extrusions Custom or low production runs of aircraft alloy aluminum extrusions up to 8 inches in diameter, including pierced hollow extrusions with CNC milling, profiling, forming, and joggling capabilities, for aerospace manufacturers.
• Assemblies Large-scale assembly projects for aerospace structures using CATIA software for 3D modeling and assembly build sequence testing, with certified assemblers handling fastener identification, cold working of holes, sealing, electrical bonding, stud installation, and terminal installation for OEM customers.
• D-J Composites Division Composite and bonded metal components for aerospace manufacturing, with facilities in Gander, Newfoundland and Augusta, Kansas, providing honeycomb core sculpting, foam core sculpting, bonded metal assemblies, autoclave processing up to 120 psi at 400F, and Class 100,000 clean room operations.
• Inspection & Quality Assurance ISO-9001 and AS 9100 certified quality assurance services including Coordinate Measurement Machines (CMM), laser trackers, optical laser scanners, hardness and conductivity meters for precision aerospace parts.
• Heat Treatment NADCAP-accredited heat treatment facility with one of the largest furnaces in the region, capable of heat treating aluminum parts up to 35 feet long, including annealing, solution heat treating, stress relief, and aging services.
• FAA Certified Repairs FAA-approved repair station for military, commercial, and general aviation aircraft, helicopters and business jets, providing bonded assembly repairs, sheet metal repairs, hydraulic component testing and overhaul, with emergency repair services for over 100 aircraft types.
• Metal Forming Metal forming capabilities including hot forming titanium, vacuum forming, bladder forming, brake forming, deep draw forming, stretch forming, roll forming, and a patented CNC Stylus Forming Process, supported by equipment such as a 400-ton deep draw press, 90-ton CNC brake press, titanium hot form presses, and a 3500-ton 4-post press.
• Machining & Milling CNC machining and milling services from small 3-axis mills and lathes to 5-axis gantry machines capable of producing parts up to 60 feet in length, including 4-axis pallet centers for smaller parts with tight tolerances.
• Machine Engineering & Design Engineering and design services with mechanical, civil, aerospace, chemical, production and electrical engineers, using CATIA for 3D modeling, supporting design team participation and providing direct design support for flight and non-flight parts to OEM customers.
• Welding Welding services for flight-critical parts and assemblies with capabilities in both resistance and fusion welding including GMAW, GTAW, longitudinal and circumferential mechanized GTAW, spot welding, and seam welding on structural carbon steel, stainless steels, Inconel, Hastelloy, titanium, and aluminum, with NADCAP accreditation.
• Non-Destructive Testing NADCAP-certified NDT services including ultrasonic through transmission, X-ray, magnetic particle inspection, eddy current inspection, radiographic inspection, C-scan, pulse echo A-scan, and dye penetrant inspection, qualified for Bell Helicopter, Boeing, and Cessna.
• Tooling Aerospace tooling design and fabrication specializing in ground support equipment, including 3D modeling in CATIA, complex fixtures and dies, conventional and CNC machining (3 and 5 axis), electrode discharge machining (EDM), tool grinding, welding, and 3D printing.

Quantifiable outcome

• Over 300 employees across three campuses grown from 6 employees in 30+ years
• +1 more outcomes

Named customers6 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Six partnerships are on record, tiered core.

• AgustaWestland (Leonardo Helicopters)coreStrategic or Co-development PartnerD-J Engineering holds manufacturing process approvals from AgustaWestland including QRS01, COP-000, COP-002, COP-007, and MAT-010 specifications for helicopter component manufacturing.
• BoeingcoreStrategic or Co-development PartnerD-J Engineering is an approved Boeing supplier holding multiple manufacturing process approvals including BAC5317, BAC5317-2, D6-49327, BAC5621, Class II, PS12035, and PS14223.
• Bombardier AerospacecoreStrategic or Co-development PartnerD-J Engineering is approved by Bombardier Aerospace for complex composite assemblies manufacturing.
• Sikorsky AircraftcoreStrategic or Co-development PartnerD-J Engineering holds multiple Sikorsky manufacturing process approvals including SS8669, SS9225, SS9220, SS8603, SS8752, SS8482, Lab 9, and SS8806 for helicopter components.
• FAAcoreStrategic or Co-development PartnerFAA monitors D-J Composites' Transport Canada surveillance audit, providing cross-regulatory recognition for civil aviation parts manufacturing.
• Transport CanadacoreStrategic or Co-development PartnerD-J Composites is a Transport Canada Approved Manufacturer authorized to issue release certificates for civil aviation parts, with FAA recognition.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Sonaca Group: Belgian tier-1/2 aerostructures manufacturer producing wing and fuselage assemblies, plus the former LMI Aerospace US business serving Boeing and defense primes. Comparable scope of flight-critical structural assemblies and tier-1 process approvals.
• Triumph Group: US-listed aerospace structures and systems supplier with significant MRO and component overhaul operations, serving Boeing, Lockheed and military programs. Directly comparable in terms of tier-2 structural assemblies, FAA-certified MRO, and aftermarket exposure.
• EDAC Technologies: US tier-2 supplier of precision machined components and sub-assemblies for aerospace engines and airframe structures. Comparable in scale and in its reliance on NADCAP-certified, multi-process machining and assembly capabilities.
• Magellan Aerospace: Canadian-domiciled tier-2 aerospace manufacturer with a cross-border manufacturing footprint similar to D-J's US/Canadian split. Provides complex assemblies, machining, and composite/aerostructure components to commercial and defense customers globally.
• The NORDAM Group: Privately held US tier-2 aerospace manufacturer offering complex structural assemblies, MRO, and nacelle/transparent components across commercial and business jet programs. Closest mid-market analog to D-J's integrated custom manufacturing and repair model.

Broad incumbents

• Spirit AeroSystems: World's largest tier-1 aerostructures manufacturer producing fuselage, wing, and propulsion structures for Boeing and Airbus. Sets the price-and-volume reference against which smaller tier-2s like D-J compete for overflow and specialty work.
• Precision Castparts Corp. (Berkshire Hathaway subsidiary) — large-scale aerospace structural and engine component supplier. Operates at much greater scale than D-J but competes for the same OEM structural-part work and represents the consolidator-side benchmark for the tier-2 model.
• Senior plc: UK-listed tier-2 supplier of complex structural aerospace components and fluid conveyance systems. Overlaps with D-J on structural assemblies and is a broader incumbent in the same OEM-supplier ecosystem.
• Aerojet Rocketdyne (L3Harris): Missile, space propulsion and aerospace structures supplier now part of L3Harris. Comparable on the missile/space vehicle structural-components axis that D-J explicitly addresses via its composites division and satellite structures.

Emerging players

• Frontier Aerospace Corporation: Privately held US aerospace propulsion and structures manufacturer serving defense and missile programs. Smaller and narrower than D-J but operates in the same difficult-project, defense-adjacent custom manufacturing niche.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xtwitter.com/DJ_Engineering
• Facebookfacebook.com/D-J-Engineering-Inc-108891451488219
• LinkedInlinkedin.com/company/dj-engineering
• Instagraminstagram.com/djengineering

Compliance14 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about D-J Engineering Group Inc.