Founded 1979 · Miami, Florida · Made in USA
Why Choose MJM?
47 years. 80+ employees. 44,000 sq ft. One fully integrated facility. Trusted by Boeing, Lockheed Martin, Northrop Grumman, and more — right here in Miami.
What Sets Us Apart
Six Reasons Engineers Choose MJM
When you need precision sheet metal fabrication with zero margin for error, the partner you choose matters.
01
🏭
Fully Integrated Under One Roof
Laser cutting, CNC turret punching, forming, welding, machining, powder coating, silk screening, plating, and assembly — all in our 44,000 sq ft Miami facility. No subcontracting. Your project goes blueprint to finished product without leaving our building.
02
📋
17 Independent Certifications
MJM holds 17 independent certifications including ITAR registration, MIL-I-45208A quality standards, and minority-owned small business certifications. We are a certified member of the Sheet Fabrication and Manufacturing Association.
03
🛡️
ITAR Registered & Defense Compliant
MJM is ITAR registered with long-standing relationships with Boeing, Lockheed Martin, Northrop Grumman, BAE Systems, and L3 Harris — all requiring strict compliance, controlled environments, and documented traceability.
04
⏱️
24–48 Hour Quote Turnaround
Engineering teams don’t have time to wait a week for a quote. MJM provides computerized quoting, scheduling, and tracking with a 24 to 48 hour turnaround. Our engineering department reviews your drawings and responds fast with accurate pricing.
05
🔩
Prototype Through Full Production
Whether you need a single prototype or a full production run of thousands of units, MJM supports the entire manufacturing lifecycle. Many clients start with a prototype and stay for decades — our staff includes employees with 45+ years at MJM.
06
🇺🇸
47 Years. Made in USA. Miami-Built.
Founded in 1979 by Mike Mijares in a two-car garage, MJM has never moved offshore. Every part is fabricated in Miami, Florida by skilled American workers. When domestic sourcing or Buy American provisions matter — MJM has been the answer since 1979.
Quality & Compliance
Certifications & Registrations
MJM Manufacturing holds 17 independent certifications. These are the credentials that matter most to aerospace, defense, and industrial customers.
● ITAR Registered
International Traffic in Arms Regulations. Required for defense and government manufacturing programs involving controlled technology.
● MIL-I-45208A
Military inspection system requirements. Covers documentation, inspection, and process control for defense manufacturing programs.
● SFMA Member
Sheet Fabrication and Manufacturing Association. Demonstrates commitment to fabrication best practices and industry standards.
● Minority-Owned Business
Certified Hispanic American owned small business. Qualifies for set-aside programs and supplier diversity requirements.
● Small Business Concern
SBA-recognized small business eligible for government small business set-aside programs and subcontracting requirements.
● Green Business Certified
Certified sustainable business practices. Important for customers with environmental supply chain requirements.
● Dun & Bradstreet
D-U-N-S number registered. Required for federal contracting, SAM.gov registration, and supplier qualification with major OEMs.
● 17 Total Certifications
Contact us for our complete list of certifications, registrations, and compliance documentation relevant to your project.
Full Capability Overview
What MJM Can Do For Your Project
Every process available in-house at our 44,000 sq ft Miami, Florida facility.
| Process / Service | Details | Industries Served |
|---|---|---|
| Laser Cutting | CNC fiber laser cutting of sheet metal components to tight tolerances | Aerospace, Defense, OEM, Robotics |
| CNC Turret Punching | High-speed CNC turret punch pressing for complex patterns and perforations | All industries |
| Forming & Bending | Press brake forming, roll forming, stamping for precision sheet metal parts | All industries |
| TIG Welding | Certified TIG welding for aerospace and structural assemblies | Aerospace, Defense, Robotics |
| MIG Welding | MIG welding for structural and production fabrication | OEM, Industrial, Architectural |
| Spot Welding | Resistance spot welding for sheet metal assemblies | All industries |
| CNC Machining & Milling | Precision CNC machining and milling of metal components | Aerospace, Defense, OEM |
| Powder Coating | In-house powder coat finishing in a full range of colors and textures | All industries |
| Plating | Electroplating and surface finishing services | Aerospace, Defense, Electronics |
| Silk Screening | Part marking and silk screening for identification and branding | OEM, Commercial |
| Hardware & Assembly | Fastener insertion, riveting, hardware installation, and minor assembly | All industries |
| Engineering Assistance | Design for manufacturability (DFM) review and engineering support | All industries |
| Prototyping | Single-piece prototypes through short-run production for design validation | All industries |
| Production Runs | Medium and high-volume production with computerized scheduling and tracking | All industries |
Trusted By
Clients Who Come Back Year After Year
These organizations don’t stay with a supplier for decades by accident — they stay because MJM delivers consistently, project after project.
Lockheed Martin
Northrop Grumman
BAE Systems
L3 Harris
Honeywell
IBM
Motorola
Beckman Coulter
Johnson Controls
Bell Textron
Goodrich
Unisys
Miami-Dade Transit
Turner Construction
Cubic Transportation
Industries We Serve
Built for the Most Demanding Industries
✈️
Aerospace
🛡️
Defense
🤖
Robotics
🖥️
Data Centers
⚙️
OEM Mfg
🏗️
Architectural
Ready to Start Your Project?
Get a quote from Miami’s most trusted precision sheet metal fabricator. 24–48 hour quote turnaround.
MJM Manufacturing, Inc. | ITAR Registered | MIL-I-45208A | 17 Independent Certifications | SFMA Member | Minority-Owned Small Business | 5205 NW 161 Street, Miami, FL 33014 | (305) 620-2020