ABOUT US2022-10-13T13:51:40+00:00

Est. 1983
Mendon, Michigan

After seeing a need and rising to the challenge, Patrick Jergens, a pipefitter by trade, founded a company that would excel at providing exceptional mechanical contracting services. It was his drive and vision that built this company along with a commitment to supplying services and products unrivaled in their dependability and quality. With a work ethic grounded in integrity and service, he forged a company able to meet all challenges of mechanical contracting.

Later, Pat’s son, Tim, took over the reigns as President. With a company motto of “Where Quality Meets Integrity” driving his business practices, he oversaw the growth of many divisions to improve the company’s ability to meet all of the customer’s needs.”


Custom/Removable Covers expanded

Due to the increasing demand for custom covers, our entire sewing division was moved to the Mendon campus.

Building & Remodeling Division added

The company decided to expand into a new area and added Building & Remodeling as another service that we offer our customers


Auto Repair Division added

Jergens has long had a mechanic to meet the service needs of their own fleet.  In 2021 we expanded and opened our high-quality Auto Shop to the public.


Painting & Blasting Division added

The company added Painting & Blasting as a great complimentary service to meet the needs of our piping customers and is also providing service for residential customers.

Custom Covers Division added

Seeing the talent of the Removable Covers Division, we knew we could supply custom made boat covers and upholstery for peoples marine and other sewing needs.


Purchase of new building

Purchased the building next to our Mendon Fab Shop to expand our options as a growing business and it has become the home for our HVAC and Auto Repair Divisions


HVAC Division added

Jergens saw a need for both Commercial and Residential HVAC services within St. Joseph County and added this service to meet that need


Purchase of Portage Fab Shop

Procured this new location to increase our presence in Portage/Kalamazoo Michigan which has become the base for our Insulation Division

Construction of Mendon Fab Shop

Built to expand our fabricating and welding capabilities for our expanding Piping Division


Removable Covers Division added

Jergens saw a need for Removable Insulation Covers and expanded their services for to meet that need

Millwright Division added

The company added millwrights to their arsenal of services to round out the industrial services offered to their customers


Mark Parks

Mark, Pat’s son-in-law, graduated from Michigan State in 1987 with a Bachelor of Mechanical Engineering degree and started working at the Upjohn Company as facilities engineer for roughly 7 years before joining Jergens in 1994. Mark started as an estimator in the newly created Insulation Division.  He was an integral part of the overall growth of the Insulation Division. Mark became the Vice President in 2001 and has helped support and manage the growth of the company. Mark retired in 2021 but still plays an active role in the company and is continuing to share his experience wherever there may be a need.


Tim Jergens

Tim graduated from Michigan State with a Bachelor of Science degree in 1993 and joined the family business that same year. Tim began as a laborer for his father and worked his way up to estimator, then eventually taking over the company as President in 2001.  During his time as President, Tim has led the company, seeing substantial growth through the addition of multiple trades, in order to improve the company’s ability to meet all of our customers needs. Tim continues to be actively involved with the daily functions of the overall company.


Insulation Division added

This new division was added to diversify our services to the customer


Founded in 1983 by Patrick Jergens

Jergens began as a company that primarily focused on providing piping services

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