Mark Perpich


Mark has been Great Lakes Mechanical Corporation's President since 1983. He set an example for growth and a course of expansion through several milestone transition periods. Great Lakes Mechanical is now ranked among the top 10 firms in Southeast Michigan.

Mark has forty-six years experience in the HVAC industry, encompassing a diverse and intensive exposure to commercial and industrial project management as well as overall business administration. 

Under his leadership, he supervised the development of the corporate accounting and estimating computerization, instituted a corporate policy and procedure manual to describe work task and provide a vehicle for continuous update and improvement, and implemented an ISO Certified Program. During his nearly 5 decades in the industry, Mark has persevered through the ever-evolving business climate. He has always adapted and maintained a culture and overall effort of customer satisfaction. 


Mark loves to spend quality time up north with his family and 3 young granddaughters.