About Us

MACMILLAN ASSOCIATES, INC. is a multi-disciplined engineering firm established in 1963 and is oriented toward providing personal attention to the needs of clients. Our services include planning and design for new buildings, renovating or remodeling of existing facilities, including structural, mechanical, electrical, product handling systems and LEED sustainable design services. Our experienced staff works closely with our clients, beginning with discussions on the scope of work and development of the schematic and preliminary sketches including cost estimates. Following approval of preliminary work, we prepare bidding and construction documents including drawings and specifications. We provide observation through the construction phase including review of shop drawings to insure that constructed work conforms to the intent of the contract documents.

  • A Principal or an Associate will have personal and direct knowledge of all phases of the project, will handle all communications and will maintain close contact with the client during all phases of the work.
  • Our staff is trained to provide prompt professional consulting and engineering design services on projects of all types and sizes.
  • We continue to demonstrate that our approach provides clients with reliable timely engineering services for reasonable fees.

The firm was established in 1963 as McClurg and MacMillan, Inc. The primary business of McClurg and MacMillan was structural engineering for architectural clients in the Saginaw Valley. Demand necessitated the addition of industrial, mechanical and electrical engineering capabilities. The firm name was later changed to MacMillan Associates, Inc. and projects expanded to the national level. MacMillan Associates now employs 30 full time employees in the Bay City office. Of those, 16 are engineers (11 of which are licensed Professional Engineers); 2 designers; 8 drafters; and 4 clerical and administrative staff members. Experience levels of our staff members range from entry level to over 35 years of experience.

Directions to our office building from I-75

Take I-75 to US 10, exit 162. Go east on US 10 (M25) to Euclid Avenue, the first light. Turn left on Euclid and go north to the second light, Midland Street. Turn right on Midland Street, continue through the light at Wenona and bear right into the Midland Street Historic District. Continue past the light at Henry Street and go two blocks to Walnut Street. Turn right on Walnut Street and then left into our parking area. MacMillan Associates is on the southwest corner of Midland and Walnut Streets. Please use our front lobby entrance along Midland Street on the north side of our building.

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