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


Fabrication & Field Crew Working Together

Pictured below are Justine and Mike working on the upper wash arm distribution ring that is in process of fabrication here and will eventually be installed by the field crew in … Read more...

Another Diamondback Technology™ Hopper in Progress.

Miller Mechanical Services, Inc. is currently the only licensed fabricator for Diamondback Technology, Inc. in the Northeast.  We have the engineering and integration capabilities to fabricate these units which offer a number of solutions … Read more...

Cutting, Forming and Fabricating

Pictured below is one of our skilled fabricators readying this sand separator- perforated insert for fabrication. This particular piece made from Duplex 2205 stainless steel was cut on our Flow … Read more...