Our priority during this time of uncertainty is balancing the well being of our customers and employees while continuing to provide essential services. AMS Mechanical Systems, Inc. will remain open at all locations and operational while closely monitoring up-to-date guidance of global health experts at the World Health Organization (WHO) and the U.S. Centers for Disease Control (CDC). We are here for you! For more information or service, please call 630.887.7700 or email us using the link below.

To email us click here> info@ams-pmt.com


Mechanical Contractor

At AMS Mechanical – WE CARE!

AMS Mechanical Systems, Inc. provides complete concept and full-service mechanical contracting. We are passionately committed to our customers, the industry and each other. These are the hallmarks of an approach that has built our reputation over five decades of serving clients in HVAC, Industrial Refrigeration, Heavy Industrial Piping and Construction, Food and Process Piping, Electrical Power and Control Systems, Fire Protection, Plumbing, and Service and Maintenance. At all times we act with integrity, providing quality service while being reliable and responsible. Fulfilling our obligation of building a better, stronger and a more durable company for future generations, protecting the AMS brand, meeting our commitments to clients, developing our people and helping improve communities.

FRICK® Industrial Refrigeration parts


AMS Industrial Group provides a full array of mechanical construction and process piping solutions for the refining, steel, power, and industrial manufacturing industries.


Industrial refrigeration is our origin and has laid the ground-work for what AMS Mechanical Systems, Inc. has developed into today.


AMS offers a complete engineering and system design team to work in collaboration with owners, developers, and construction management teams.


AMS enhanced their corporate service structure to form a new business unit in order to better facilitate the execution of HVAC/R and Plumbing Service, Systems Integration and Owner “centric” construction services.


AMS Mechanical Systems, Inc. is uniquely positioned to leverage its investment in technology, fabrication capabilities, and human resources to meet the industry’s aggressive project delivery systems.


We believe safety comes first, and we make safety the responsibility of every employee. All AMS employees take responsibility for their individual safety and the safety of their coworkers.

Environmental Construction

Environmental Construction

AMS Mechanical Systems, Inc. is completely engaged and understands the importance of clean water services and the importance of proper filtration of both drinking and wastewater.

Project Highlight

T5 Data Center

The project consisted of one 2MW data hall, new lobby, and entry, new front of house customer offices and storage.

Mission Critical


What People are Saying


This was not an easy task.
I can't remember in my many years of managing such projects where all parties involved were so dedicated, worked together as a team, and focused on the task at hand. Your team did an incredible job working through the logistics required. It is refreshing to see a team take such ownership and display such a level of ingenuity to get the job done. We look forward to working with you and your team to complete this complex project. GREAT JOB BY ALL.
Jim Reilly, RPA, LEED A.P.
Commonwealth Facility Solutions


“Amazing Job”

I'm still in awe of the amazing job everyone did this weekend. We are all so grateful for the hard work and dedication that went into this project. The teamwork was unquestionably the best. Not to mention, every single person who touched this job has simply been great to work with. A sincere thank you to you all!

Rebecca S. Miles, RPA, LEED Green Associate
General Manager
Piedmont Office Realty Trust

"Second to None"

Justin and Edger have been great to have out here, its great to see people actually care about their work!!


Robert Hill | Warranty Superintendent
James McHugh Construction Co