Based in Holland, Michigan, GMB is a full-service design and engineering firm serving the higher education, healthcare, corporate, industrial, and K-12 education sectors. With over 45 year in business, GMB prides itself on its creativity and service, helping each client improve and strengthen its business. GMB has been a sustainable design advocate for years. LEED® accredited professionals are in all disciplines and positions of leadership throughout the firm. GMB has offices in Indianapolis, Indiana and Grand Rapids, Michigan.