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Precision Metal Fabrication Services in Wisconsin
Founded over five decades ago, Mac Metal has established itself as a premier metal fabrication partner for industries requiring precision-engineered solutions. Our expertise spans laser cutting, CNC machining, robotic welding, and complex sheet metal fabrication, supported by state-of-the-art equipment including 15,000 watts of fiber laser technology and 350-ton press brakes. With ISO 9001:2015 certification, we maintain rigorous quality standards through certified welders, automated inspection systems, and continuous process improvement.

Our collaborative approach combines technical expertise with operational flexibility, offering just-in-time delivery and design-for-manufacturing support to optimize client projects. Headquartered in Germantown, Wisconsin, we serve commercial vehicle manufacturers, recreational vehicle producers, and public transportation equipment suppliers with domestically produced components that meet exacting specifications.
Services
Laser Cutting Turret Punching Sheet Metal Fabrication CNC Machined Parts Engineering Support Robotic Welding Metal Forming Finishing Coatings Assembly Logistics Prototype Production
Highlights and features
  • We have over 50 years of specialized experience in transportation industry metal fabrication
  • Our facility houses 15,000 watts of fiber laser cutting technology
  • ISO 9001:2015 certified quality management system
  • 40,000 sq. ft. dedicated welding facility with certified welders
  • Complete production lifecycle support from prototyping to assembly
Associations and certifications
  • ISO 9001:2015
Services
Laser Cutting
Our fiber laser cutting services utilize 15,000 watts of power to process complex geometries in steel, aluminum, stainless steel, and copper up to 1" thickness. Automated systems ensure repeatable accuracy while etching capabilities meet quality management standards. With recent capacity expansions through new Amada Ensis Series equipment, we deliver faster turnaround times without compromising precision.
Robotic Welding
AWS D1.1 certified welders operate advanced robotic systems in our 40,000 sq. ft. facility, handling both large-scale structural frames and precision fluid tanks. Multiple MIG, TIG, and stud welding systems combined with overhead crane support enable efficient production of complex weldments. Quality verification through certified inspectors ensures defect-free results.
Sheet Metal Fabrication
Specializing in light gauge to medium plate fabrication, we transform steel, aluminum, and stainless steel into precision components using SolidWorks CAD integration. Our capabilities include design optimization, prototype development, and full production runs with strict adherence to manufacturing standards through first article inspection and PPAP processes.
CNC Machined Parts
Vertical Machining Centers produce components with extremely tight tolerances using CNC-controlled systems. This subtractive manufacturing process complements our fabrication capabilities for complex parts requiring exacting dimensional accuracy. Equipment investments maintain our position at the forefront of precision metalworking technology.
Engineering Support
In-house engineering teams provide comprehensive support from concept development through production optimization. We specialize in design-for-manufacturing analysis to reduce costs and improve producibility while maintaining structural integrity. This collaborative approach ensures optimal fabrication solutions that meet functional requirements and production timelines.
Questions
What industries does Mac Metal primarily serve?
We specialize in transportation sector fabrication including commercial vehicles, recreational vehicles, and public transportation equipment manufacturers.
Are your metal fabrication processes certified to industry standards?
Yes, we maintain ISO 9001:2015 certification for our quality management system and employ AWS D1.1 certified welders.
What materials can you work with for fabrication projects?
Our capabilities include steel, stainless steel, aluminum, copper, and other reflective metals up to 1" thickness in various fabrication processes.
Do you offer prototyping services for new product development?
Yes, we provide confidential prototype production to validate designs before full-scale manufacturing begins.
What equipment investments have you made recently?
We've expanded laser cutting capacity with a new Amada Ensis Series 9000-watt fiber laser and upgraded forming capabilities with advanced press brakes.
How do you ensure quality in your fabrication processes?
Through certified weld inspectors, automated measurement systems, and continuous improvement programs aligned with ISO 9001 standards.