Brookfield Zoo Primate Exhibit
Brookfield, IL

Structural Engineering.
Spire Engineering, Inc. is a Milwaukee-based, full-service structural engineering firm founded by Alan Rentmeester in 2009. Principals Brian Rinke and Brian Genduso joined as shareholders in 2020, forming a leadership team of diverse talents and perspectives. Spire serves architects, developers, owners, and builders across the country, emphasizing creative structural solutions with a focus on ease of constructability and economical design. The team listens to client goals to tailor services to individual projects, and actively strives to be responsive, proactive, and schedule-focused throughout design and construction.
Alan T. RentmeesterPrincipal + Founder
Brian J. RinkePrincipal
Brian J. GendusoPrincipal
Spire Engineering, Inc. provides full-service structural engineering to architects, developers, owners, and builders across residential, multifamily, commercial, civic, educational, cultural, and entertainment project types. The team emphasizes creative solutions, constructability, and economical design tailored to individual project goals.
Multifamily Residential · Residential · Commercial · Education · Arts & Culture · Sports & Recreation · Food & Beverage · Government
Brookfield, IL
Ashland, WI
De Pere, WI
Milwaukee, WI