Grumman|Butkus Associates
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Grumman|Butkus Associates (GBA) is a nationally recognized consulting engineering firm that specializes in mechanical, electrical and plumbing design services and energy and resource consulting for buildings. From our founding over 50 years ago as a consulting firm with an exclusive focus on energy... Read more
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Bob Bayne
President
Bob Bayne
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Gerry Noorts
Vice President – Illinois
Hans Plichta
Associate Vice President – Wisconsin
John E. Tsingas
Vice President – Illinois
Jonathan E. Gehrt
Vice President – Illinois
Karen J. Long
Associate Vice President – Wisconsin
Laurence Steiner
Associate Vice President – Wisconsin
Richard D. Katzung
Vice President – Wisconsin
Julie S. Higginbotham
Marketing Director
Douglas Frey
Associate Vice President
Gerry Noorts
Vice President
Hans Plichta
Associate Vice President
John D. Villani
Vice President
John Tsingas
Vice President
Karen Long
Associate Vice President
Laurence Steiner P.e.
Associate Vice President
Rick Katzung
Vice President
Matthew Butkus
Associate
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