As the preminent stainless steel contractor for a range of industries...


with the man power to handle the job...




Miller Mechanical Services, Inc. (MMSI) is a North American company specializing in metal fabrication and installation as well as the general maintenance of the pulp & paper industry.

We provide engineering solutions to a wide range of industries through metal work technology, fabrication and construction. We maintain “R” and “U” stamps that allow for fabrication, alteration and repair of ASME code vessels in the shop as well as the field.

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Sample Products & Services


ASME Pressure VesselsASME Pressure Vessels

API Storage VesselsAPI Storage Vessels

Curved Slot Screen DesignCurved Slot Screen Design



Heat ExchangersHeat Exchangers


Learn about our FLOW Mach 4 Waterjet with Dynamic XD technology! Faster, more accurate bevel and 3D cutting.

Latest News


New Application for XD Waterjet

When you have a project that is a little unique and time is of the essence, traditional machining may not be the answer for your product.  Shown is an application … Read more...

Top Head for Maine Digester

Pictured below are Justin and Mike working to move the positioner  and the attached  top head into closer proximity of the sub arc machine for welding. Mike will be working … Read more...

A Fantastic Organization that Miller Mechanical Supports

Here is a link to an inspiring video sponsored by Gatorade about a young man with spastic cerebral palsy who is also an accomplished athlete.  It gives real meaning as to … Read more...