PES Group, Inc. is a WBENC Certified Woman Business Enterprise that specializes in Energy Management and MEP design engineering. PES Group, Inc. was incorporated in 1989 in Detroit Michigan as a consulting engineering firm. PES is well established and recognized in Michigan as one of the lead consulting firms in providing Energy Conservation and Engineering Services for industrial and commercial projects and clients. PES clients benefit from our staff’s comprehensive experience and interrelated work approach. Built-in quality control, quality assurance, and value engineering practices help to ensure that our work products are properly and efficiently engineered on time and within budget.