Hammel, Green and Abrahamson

From Wikipedia, the free encyclopedia

Hammel, Green and Abrahamson, commonly called HGA, is an architecture firm based in Minnesota. It was founded in 1953 by Minnesotans Dick Hammel and Curt Green (Bruce Abrahamson joined in shortly thereafter).

They began their work designing K-12 school buildings. The firm later expanded into other areas. They are currently one of the largest firms in Minnesota.