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


The Bits and Pieces Involved In A Cold Blow Cooler

The following are pictures of a Cold Blow Cooler (a type of heat exchanger only in reverse) that has been in the works at Miller for the last month. This piece … Read more...

From Just Metal to Vessel

Below are a series of photos that are the beginnings of a fully constructed Diamondback® which will eventually be shipped to a facility in Tennessee. Photo 1, Mike is shown forming … Read more...

Miller’s Waterjet Process Saves Time and Money

Reduce costs by maximizing your material use.  Miller can nest your parts leaving as little as 3/16 between geometry to squeeze the most product from your material (in some instances, … Read more...