44,000 Sq Ft · Miami Gardens, Florida · Made in USA Since 1979
Precision Sheet Metal Fabrication Services
AS9100 certified. ITAR registered. DBE certified. 47 years of precision fabrication. Every process in-house under one roof — from laser cutting and forming to welding, machining, and finishing.
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ISO 9001 Certified
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ITAR Registered
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DBE Certified
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CAGE Code: 0YLX1
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SAM.gov Registered
What We Do
Fabrication Services
Every process performed in-house at our Miami Gardens facility. No subcontracting your critical work to unknown shops — one team, one quality system, one point of accountability.
01
Laser Cutting
5 Amada fiber laser systems — Ventis 3015 AJ (4kW) and 3× Ensis 3015 AJ (3kW) plus Amada LC 2415 A III CO2. Tolerance ±0.005″. Cuts steel to 1″, aluminum and stainless to 0.625″, copper and brass to 0.375″. Nitrogen assist for oxide-free edges.
02
CNC Turret Punching
Amada AE 2610NT CNC turret punch press. Up to 0.250″ steel and aluminum. Punching, perforating, louvering, embossing, lancing, blanking, and knockouts. Cost-effective for high-volume runs with repeating hole patterns. Handles steel, aluminum, stainless, galvanneal, titanium, polycarbonate, and non-metallic materials.
OEM · Data Centers · Enclosures · All Industries
03
Forming & Bending
9 Amada forming machines — HRB 2204 (240 ton, 14′), 6× RG 80 (80 ton CNC), 2× EG 4010 (servo-electric). Bend angle ±0.5°, flange length ±0.010″. 3 Knuth plate rollers (3′, 4′, 7′) for cylindrical and curved components. Offline CNC programming with 3D simulation before first part.
All Industries · Up to 14 Foot Parts
04
Welding
9× IPG 2kW fiber laser welders. 3× Sciaky spot welders (75/100/200 KVA). Certified TIG (GTAW) and MIG (GMAW) welding. AWS D1.1, D1.2, D9.1M, and D17.1 certified. Lockheed Martin aerospace welding program approval. Lloyd’s Register LR 33932. WPS and PQR documentation available.
Aerospace · Defense · Enclosures · See Fiber Laser Welding →
05
CNC Machining & Milling
Mazak BCN 530 C CNC machining center. Milling, drilling, tapping, boring, reaming. Standard tolerance ±0.005″. Secondary machining on fabricated assemblies for critical features. Johnson 95-ton stamping press. FlexArm tapping (up to 3/8″ and 1″ hydraulic). Amada HFA 250W band saw.
Aerospace · Defense · OEM · All Industries
06
Hardware Insertion & Assembly
4 Haeger hardware insertion presses and Auto-Sert automated insertion machine. PEM fasteners, standoffs, cage nuts, studs, hinges, and custom hardware installed accurately across production runs. Hardware insertion force verified with Com-Ten DFM5000 digital force meter. Minor assemblies and hardware kitting.
07
Finishing & Surface Treatment
Turn-key finishing coordinated through trusted partners — powder coating, painting, anodizing, plating. In-house: silk screening, laser part marking (2 systems), laser etching, sand blasting, deburring (3× Timesavers Lynx, AEM deburrer, 4 tumblers). All finishing managed within our quality system.
All Industries · Brand-Matched Colors
08
Inspection & Quality
Amada Fabri-Vision automated optical inspection. Keyence LM-X Series non-contact optical measurement. Keyence XM-5000 handheld CMM. Com-Ten DFM5000 force meter. AS9100 certified QMS. First article inspection (FAI) reports, in-process records, material certifications (MTRs), and dimensional reports available.
Aerospace · Defense · Medical · All Programs
09
Engineering & DFM Review
Highly qualified engineering department reviews all drawings for design for manufacturability (DFM) before production begins. We identify bend radius issues, hole proximity problems, and tolerance concerns before the first prototype is cut — saving time and cost. 3× Flash Forge 3D printers for prototype tooling and fixtures. 24–48 hour quote turnaround.
What We Work With
Materials
MJM Manufacturing works with metals and non-metallic materials across a broad range of gauges and alloys. For material-specific laser cutting details, see our Materials hub →. If your material is not listed, contact us at info@mjmmfg.com to confirm capability.
| Material | Common Alloys / Grades | Typical Applications |
|---|---|---|
| Aluminum | 5052-H32, 6061-T6, 3003, 5083 | Aerospace, marine, lighting, enclosures, dock boxes |
| Stainless Steel | 304, 316 | Marine, food service, medical, outdoor enclosures |
| Cold Rolled Steel (CRS) | ASTM A1008 | Enclosures, kiosks, cabinets, OEM equipment |
| Hot Rolled Steel (HRS) | ASTM A36 | Structural components, heavy frames, energy equipment |
| Galvanized Steel | G60, G90 | Outdoor enclosures, structural, HVAC |
| Galvanneal | A40, A60 | Painted enclosures, automotive, appliance |
| Copper | C110, C101 | RF shielding, electrical, decorative lighting |
| Brass | C260, C360 | Decorative, marine fittings, electrical components |
| Titanium | Grade 2, Grade 5 | Aerospace, defense, medical |
| Beryllium Copper | C17200 | Aerospace, electronics, springs |
| Tin Plated Steel | ETP | Food contact, corrosion resistance |
| Polycarbonate / Lexan | General purpose, UV stabilized | Panels, covers, windows, kiosk components |
| G-10 / FR4 Epoxy Board | Grade G-10 | Electronics, aerospace insulation |
| Delrin / Nylon | Acetal, Nylon 6/6 | Bushings, spacers, wear parts |
| Expanded & Perforated Metals | Steel, aluminum, stainless | Ventilation, filtration, architectural panels |
| Mylar / Formex / Phenolics / Teflon | Various | Specialty electronics and aerospace applications |
Who We Serve
Industries
ITAR · AS9100 · AWS D17.1
Defense
ITAR · CAGE 0YLX1 · MIL-I-45208A
Robotics
Enclosures · Prototype to Production
OEM Manufacturing
Turn-Key · Full Production Support
Ready to Start Your Project?
Send your drawings for a quote within 24–48 hours. Call (305) 620-2020 for urgent inquiries.
Buyer’s Guides
Helpful Guides for Buyers & Engineers
What Drives Fabrication Cost →Material, complexity, quantity, tolerances, and total landed cost explained.
Laser Cutting vs CNC Punching →Which process is better for your part — and when to combine both.
Design for Manufacturability →Bend radius, hole spacing, flange length, and real tolerance charts.
MJM Manufacturing, Inc. | AS9100 Certified | ISO 9001 Certified | ITAR Registered | DBE Certified | MIL-I-45208A | CAGE Code: 0YLX1 | SAM.gov Registered | 5205 NW 161 Street, Miami Gardens, FL 33014 | (305) 620-2020
Common Questions
Frequently Asked Questions
What does precision actually mean in numbers?
Plus or minus 0.005 inch on laser cut and CNC punched features. Plus or minus 0.010 inch on formed flange dimensions. Plus or minus 0.5 degree on bend angle. Those are the tolerances we hold in production, and we publish a full tolerance table rather than saying tight tolerances and leaving you to guess.
What materials do you fabricate?
Cold rolled and hot rolled steel, stainless, aluminum, copper, brass, beryllium copper, titanium, galvanized and galvanneal. Thickness runs to 1 inch on mild and hot rolled steel, 0.625 inch on stainless and aluminum, and 0.375 inch on copper and brass.
Do you do everything in house?
Laser cutting, CNC punching, forming, rolling, welding, machining, hardware insertion, deburring, sand blasting, laser marking, 3D printing, inspection and assembly are all under one roof in 44,000 sq ft. Powder coating, anodizing, plating and silkscreen go to qualified finishing partners, and we manage that leg of the job so you are dealing with one purchase order and one company that owns the result.
What certifications do you hold?
AS9100 and ISO 9001 quality systems, MIL-I-45208A, ITAR registration, DFARS compliance, SAM.gov registration with CAGE code 0YLX1, AWS D1.1, D1.2, D9.1M and D17.1 welding certifications, and Lloyd’s Register approval, among others. Seventeen in total. Certificates are on our certifications page and we will send copies with a supplier qualification package.
What is your quote turnaround?
24 to 48 hours on most quotes. Send a STEP file or a drawing to sales@mjmmfg.com. Every drawing gets a free manufacturability review, so you find out before you order whether a feature is going to cost you money for no functional reason.
Is there a minimum order quantity?
No. One piece to thousands. Per-piece cost drops with quantity because setup and programming spread across more parts, but nothing stops you ordering a single prototype and coming back for production on the same tooling-free process.
Where are you located and do you ship nationwide?
We are at 5205 NW 161 Street, Miami Gardens, FL 33014, and we ship across the United States. Over 600 customers, in OEM, industrial equipment, data center, medical device, robotics, energy, transportation and marine, order from here regardless of where they are.
How long have you been in business?
Since 1979. Family owned, founded by Mike Mijares, still run by the family, with 80 plus employees. That matters mostly because 47 years of doing this means the manufacturability review you get on your drawing is based on parts we have actually built, not on a checklist.
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