ENR 2026 Top 500 Design Firms - Hoefer Welker
Hoefer Welker has been named to Engineering News-Record’s (ENR) 2026 Top 500 Design Firms list, an annual ranking of the largest U.S.-based design...

DALLAS, Texas – CallisonRTKL celebrated the groundbreaking of the UT Southwestern Medical Center William P. Clements Jr. University Hospital’s Tower III expansion with a ceremony last month. CallisonRTKL is the architect of record on the project, while Hoefer Welker Architecture is the design architect and Austin Commercial is general contractor.
The expansion will act in concert with the original master plan for the teaching hospital, which was also designed by CallisonRTKL and opened in December 2014, and will add an additional 644,000 square feet of new space to the existing 1.2-million-square-foot facility.
Hoefer Welker has been named to Engineering News-Record’s (ENR) 2026 Top 500 Design Firms list, an annual ranking of the largest U.S.-based design...
Hoefer Welker has expanded its national footprint with the opening of a new office in Orlando, Florida, our second location in the state. The...
Hoefer Welker has named longtime Dallas leader John Castorina as Co-CEO, joining Rob Welker in guiding the firm’s future. Castorina has helped drive...