Bay City Riverwalk - Bay City
The Riverwalk includes a half mile walking bridge that zig zags across the Saginaw River. (Photo © Doug Thornhill)
Bulk Juice Storage - Florida
MacMillan Associates, Inc. has designed over 330 million gallons of bulk juice storage since 1990.
Pere Marquette Depot - Bay City
Renovation of a downtown landmark occurred in 2005 and now houses local community organizations as well as meeting space.
Pioneer Hall - Saginaw Valley State University
The engineering building addition and renovation at SVSU is LEED Certified Silver and was completed in 2007.
Wenonah Park - Bay City
The Wenonah Park riverfront in downtown Bay City was renovated in 2009 to accommodate docking and fishing along the water near the Friendship Shell.


We are a multi-disciplined consulting engineering firm located in Bay City, Michigan. Our mission is to provide high quality consulting engineering services that provide exceptional value to our clients in the Great Lakes Bay Region and around the United States. We specialize in structural engineering, mechanical engineering, and electrical engineering for a wide range of buildings and structures.



We are an experienced and knowledgeable engineering design firm established in 1963. We are oriented toward providing personal attention to the needs of our clientele. Our services through the years include planning and design of new buildings, renovating existing facilities or remodeling existing facilities including structural systems, mechanical systems, electrical systems, industrial and LEED sustainable design services. cms by Netsource One, Inc.