Full Service Mechanical Contractor

Offering a strong diversity of mechanical services

Serving Chicagoland since 1963



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


Heavy Industrial

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


Industrial Refrigeration

Offering turnkey solutions to our customers both local and national.


Food & Process Piping

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


Service & Maintenance

We are available for our customers 24/7.


Safety, making zero accidents a reality…

Home Safe Everyday


Quality Assurance

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

Commercial Overview

Text needed…an integral part of our MEP team approach, our engineers, estimators and designers along with our unionized plumbers share the same vision that has made AMS one of the finest contractors in the Chicagoland area for over 50 years. Our focus is quality, integrity and dedication to our clients.

SERVICE: Our 24/7 plumbing service team consists of licensed plumbers that are there to assist all of your service and emergency needs. All service technicians are equipped with full service vehicles and tooling to meet your most difficult service requirements, including but not limited to, emergency repairs, backflow preventer testing, preventative maintenance, long line camera inspections and all operational service requirements.

DESIGN-COORDINATION-FABRICATION AND INSTALLATION: AMS has a loyal and experienced team of true professionals and offers innovative design, system fabrication, project coordination and field installation to meet the challenging needs of today’s commercial construction industry. With the construction industry becoming more and more commoditized, innovation and differentiation are no longer buzz words – they are a necessity for survival and success. AMS’s plumbing group along with their entire MEP team have committed to the utilization of technology and defined operational process. AMS utilizes laser scanning, BIM, 3D and its fabrication capabilities to design, coordinate and deliver a high quality project in a safe and cohesive manner.


  • Installation
  • System Design
  • Plan Spec
  • Fabrication
  • Emergency Service
  • Preventative Maintenance

Industries Served

  • Commercial
  • Industrial
  • Educational
  • Food Process
  • Hospitals/Healthcare
  • Pharmaceutical
  • Hotel/Condominium/High Rise
  • Office/Warehouse
  • Tenant Build Out
Project Highlight and Customer Quote

“We wanted to let you know that the performance of the crew that is working on the chillers in A-Bldg goes beyond our expectations. Their professionalism is great, as well as the service they provide. They go above and beyond what is called for and we really appreciate it.”

Francisco Nunez Carrillo
BP Naperville Campus

Recent Job: US Steel

Quality, Integrity, Reliability

Something you can always count on with AMS