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


with the man power to handle the job...



As a preeminent stainless steel contractor with the right man power, facilities, custom build tools, and a history of impeccable service… we get the job done!

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

We also provide engineering solutions to a wide range of industries in addition to pulp and paper such as construction, power generation, chemical/pharmaceutical, etc.  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.


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


Mixer Body Readies for Shipment

Below is a series of photos of a Mixer Body. This vessel is for a first time customer that provided all design information.  This is an obround carbon steel pressure vessel with … Read more...

When it comes to paper, some people can’t see the forest for the trees.

Miller Mechanical Services, Inc. and Doty Machine Works rely heavily on our friends in the pulp and paper industry. Read the following (3) facts below and you’ll be enlightened as to … Read more...