Defense Manufacturing & Fabrication | MJM Manufacturing

ITAR Registered Defense Sheet Metal Fabrication in Miami, Florida

MJM Manufacturing provides precision defense manufacturing and fabrication — sheet metal fabrication, machining, welding, powder coating, assembly, and OEM production support for defense and government applications. MJM is ITAR registered, DFARS compliant, AS9100 and ISO 9001 certified, with CAGE Code 0YLX1 and active SAM.gov registration. We have supported defense and government programs for decades through long-standing relationships with Boeing, Lockheed Martin, Northrop Grumman, BAE Systems, and L3 Harris.

From controlled-environment fabrication to documented traceability, MJM delivers the quality systems, security, and reliability that defense supply chains require. Learn more about our certifications and registrations.

Defense Manufacturing Capabilities

• Precision CNC laser cutting — 5 Amada fiber lasers, tolerances to ±0.005″
• Precision sheet metal fabrication and complex assemblies
• CNC forming and bending — 9 Amada forming machines
• Certified TIG and MIG welding — AWS D17.1, D1.1, D1.2, D9.1M
• IPG fiber laser welding for precision, low-distortion welds
• CNC machining and mechanical assemblies
• Powder coating, plating, and finishing (turn-key coordinated)
• Automated optical inspection and CMM dimensional verification
• Prototype through high-volume production manufacturing
• Design for manufacturability (DFM) engineering review

ITAR & DFARS Compliant Manufacturing Support

MJM Manufacturing is ITAR registered (International Traffic in Arms Regulations) and DFARS compliant, supporting defense and government manufacturing with controlled workflows, documented traceability, and secure handling of controlled technical data. MJM holds CAGE Code 0YLX1, is registered on SAM.gov for federal contracting, and meets MIL-I-45208A military inspection system requirements. As a DBE-certified minority-owned small business, MJM also qualifies for set-aside and supplier diversity programs on government-funded defense work.

Defense Components MJM Produces

• Power distribution units (PDUs) and ground power equipment enclosures
• Electronic and avionics enclosures with EMI/RFI shielding
• Structural brackets, mounts, and frame assemblies
• Ruggedized chassis and equipment housings
• Control panels and electrical enclosures
• Ground support equipment (GSE) components
• Precision welded structural assemblies
• Fabricated subassemblies and hardware kits

Materials We Fabricate for Defense

MJM Manufacturing works with the full range of materials used in defense and high-performance applications:

• Aluminum (5052, 6061, 2024) — lightweight structural and enclosure components
• Stainless steel (304, 316) — corrosion-resistant structural components
• Carbon steel (CRS, HRS) — structural members and heavy frames
• Titanium (Grade 2, Grade 5) — high strength-to-weight defense components
• Beryllium copper (C17200) — connectors, springs, specialty hardware
• Galvanized steel — outdoor and structural applications
• Copper — electrical and shielding components

Quality Systems & Inspection

MJM operates under an AS9100 and ISO 9001 certified quality management system with three independent dimensional measurement systems — the Amada Fabri-Vision automated optical inspection system, the Keyence LM-X non-contact measurement system, and the Keyence XM-5000 handheld CMM. We provide first article inspection (FAI) reports, in-process inspection records, and material certifications (MTRs) to meet defense documentation and traceability requirements. See our full equipment and inspection capabilities.

Prototype to Production Manufacturing

MJM Manufacturing supports defense and industrial customers from early prototype development through full-scale production, with dependable manufacturing workflows and DFM engineering review included at no additional charge. Defense fabrication is part of our complete in-house fabrication services, and complements our aerospace fabrication programs under the same quality system.

Why Defense Primes Choose MJM

• ITAR registered & DFARS compliant — cleared for controlled defense manufacturing
• CAGE Code 0YLX1 & SAM.gov registered — qualified federal contracting supplier
• AS9100 & ISO 9001 certified — audited quality management systems
• AWS D17.1 with Lockheed Martin approval — qualified aerospace/defense welding source
• MIL-I-45208A — military inspection system compliant
• DBE-certified minority-owned small business — set-aside and supplier diversity eligible
• Trusted by defense primes — Boeing, Lockheed Martin, Northrop Grumman, BAE Systems, L3 Harris
• 47 years & 44,000 sq ft Miami facility — fabrication, welding, machining, assembly, finishing under one quality system

Certifications & Compliance

MJM Manufacturing holds 17 independent certifications relevant to defense and government qualification, including AS9100, ISO 9001, ITAR registration, DFARS compliance, AWS D17.1 / D1.1 / D1.2 / D9.1M welding certifications, Lloyd’s Register LR 33932, MIL-I-45208A, DBE certification, SAM.gov registration, and CAGE Code 0YLX1.

Frequently Asked Questions — Defense Fabrication

Is MJM Manufacturing ITAR registered?

Yes. MJM Manufacturing is ITAR registered and DFARS compliant, supporting defense and government manufacturing with controlled workflows and documented traceability. MJM holds CAGE Code 0YLX1 and is registered on SAM.gov.

Does MJM Manufacturing support defense manufacturing projects?

Yes. MJM supports defense and government manufacturing applications including enclosures, power distribution units, structural assemblies, and precision fabricated components — from prototype through high-volume production.

What quality certifications does MJM hold for defense work?

MJM is AS9100 and ISO 9001 certified, ITAR registered, DFARS compliant, and MIL-I-45208A compliant, with AWS D17.1 aerospace welding certification and Lloyd’s Register approval.

What is MJM’s CAGE Code?

MJM Manufacturing’s CAGE Code is 0YLX1, and MJM is actively registered on SAM.gov for federal government contracting.

Does MJM Manufacturing provide powder coating and finishing?

Yes. We provide powder coating, plating, finishing, and assembly services for defense and industrial manufacturing projects, coordinated turn-key through trusted partners.

Can MJM Manufacturing support production manufacturing runs?

Yes. Our team supports low-volume through high-volume production manufacturing for defense and industrial applications.

How do I get a quote for a defense fabrication project?

Email your drawings and specifications to sales@mjmmfg.com with material, gauge, quantity, and inspection or documentation requirements, or call (305) 620-2020. Our engineering team responds within 24 to 48 hours.

Contact MJM Manufacturing to discuss your defense fabrication project or request a quote at sales@mjmmfg.com.