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Full Service Mechanical Contractor

Offering a strong diversity of mechanical services

Serving Chicagoland since 1963

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Commercial

We offer innovative design, system fabrication, project coordination and field installation to meet the needs of today’s commercial construction industry.

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Heavy Industrial

We offer complete total plant development, installation, process piping, refrigeration, expansion projects, or performing recurring maintenance.

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Industrial Refrigeration

Offering turnkey solutions to our customers both local and national.

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Food & Process Piping

AMS offers the design and installation of process and utility piping.

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Service & Maintenance

We are available for our customers 24/7.

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Safety, making zero accidents a reality…

Home Safe Everyday

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Quality Assurance

Quality management focused on providing confidence that quality requirements will be fulfilled.

Here at AMS Mechanical we are Client Focused!
We know if we serve our clients well - Success will follow!

Solutions Provider

We are proactive and reactive to meeting the challenges and demands of our customers. We strive to stay ahead of the curve.

Innovation

Our high standards of excellence, innovative approach, and dedication to exceeding the needs of our customers are well known throughout the industry.

Communications

Effective listening and establishing solid long-term relationships with our clients and our industry have been the catalyst for which we model our successes.

Customer Support

We are available to our customers 24/7. You can trust and rely on our commitment to quality, integrity and reliable service every time.

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, 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 more durable company for future generations, protecting the AMS brand, meeting our commitments to clients, developing our people and helping improve communities.

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Full Service Mechanical Contractor

Commercial

Commercial

AMS Mechanical Systems Commercial business group provides professional HVAC services in the design build, design assist, and the plan specification market place for both private and public commercial sectors.
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Heavy Industrial

Heavy Industrial

These services vary from Process & Power Piping, Equipment settings, Ironwork, Millwright, Civil/Concrete/Heavy Foundations to small maintenance and capital program work.

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Industrial Refrigeration/Food Processing

Industrial Refrigeration/Food Processing

Serving the industry for over fifty years, AMS has developed unmatched capabilities for the diverse needs of the Industrial Ammonia and Freon refrigeration industry throughout the United States.
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Client Services

Client Services

Service is more than just a word; it is a mutual dedication and commitment to our clients and an example of the comprehensive business model we maintain.
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Quality Assurance

Quality Assurance

The AMS Mechanical Systems, Inc. Quality Assurance Program has been accredited by both the American Society of Mechanical Engineers (ASME) and the National Board of Boiler and Pressure Vessel Inspectors (NBBI).

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Safety

Safety

We put safety and quality of life first. Safety encompasses every area of life. Creating a safe and healthy work environment is a part of AMS philosophy.
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Design & Engineering

AMS offers complete engineering, system design/layout and installation services for both Commercial, HVAC, and Industrial refrigeration industries.
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  • Good morning! The overnight job went off without a hitch.  Just wanted to thank you and your team at AMS for the great partnership we have created. The professionalism starting from the office and scheduling with Donna and Shannon,  to the service guys that always find a way to get the job completed. Steve Joyce and the Novak brothers are always a pleasure to work with and they are a great asset to AMS. They show great leadership and  we never have to micro manage them when they are here doing a job.  The other service guys  we have had the pleasure of meeting (Steve Rogers)  are very knowledgeable and answer any question we may have. Thank you again and look forward to doing future business with your outstanding team.

    - Palmer House

  • We would like to thank you and your company for your support during our recent plant maintenance shutdown December 23rd through January 2nd• During this last shutdown we performed two key maintenance and repair projects with the help of your team.
    On December 23rd starting at 10:00 PM Tim Rojek performed and led a small team from AMS to perform a preventive maintenance on all our electrical switchgear within our facility. This included the coordination of the work with ComEd, and also supplying temporary power generators for our critical computer systems while they were performing the work. Tim safely completed the work in all 3 master electrical control rooms within 1 shift and had all systems back up in full operations by 6:00 AM.
    We are grateful for the reliable service Tim and his team provided and we note that he exceeded our expectations by completing the work ahead of the planned schedule, without business Interruption.
    Additionally, our second key project was the inspection and maintenance of the deaerator/feedwater tank for our boiler room. Gary Conderman led this project with the help of Mark Benson, Frank, and Jeff Johnson. Mark Rook, Safety Director who also had your field safety representative come in and review all of the safety measures prior to starting the work. This was a complex project to disconnect the deaerator tank, and connect a temporary feedwater supply tank to maintain our boilers during the work. They performed a difficult confined space entry, and cleaned/prepped the tank for the Inspection. On the second day Gary and the entire team corrected a found defect in the construction of the tank, and they all stayed extra time to put the deaerator back on-line a day earlier than planned.
    Tom, we wish to congratulate you on your team, and thank you for the excellent work performed by everyone involved in each of the projects. We sincerely appreciate the support provided from AMS Mechanical Systems.

    Jerry Reget, EHS
    Matt Logue, Engineering

    Woodstock, IL

    - Catalent

  • Rick,
    Just wanted to say thank you for pulling together the right people, at the right time, to get this project done at Kronos.
    Mark (plumber), Pete (air flow) and Fred (welding smoke testing, etc.)
    All were great to work with and very professional.
    Fred and Pete put in two long days and night for us and I really appreciate all they did.
    Please pass out some Kudos to your crew.
    Thank you

    Don Nordsell
    Senior Director of Manufacturing Operations

    - Kronos Foods Corp.

Quality Assurance

We are proud to provide our customers with the highest level quality standards available throughout every aspect of our operations.

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