In 2007, Highrise Concrete Systems Inc., founded by Walter Mawby, joined the Baker family to create a winning combination that accentuates their expertise in tunnelform concrete shell construction. By forging this union, Baker's capabilities are greatly expanded by gaining the ability to offer clients more options with the tunnelform design system. The tunnelform construction method is unique in that the walls and slabs are poured simultaneously, resulting in time efficiencies, dimensional accuracy, and a superior concrete finish.

Baker's Highrise Operations specialize in the construction of multi-story concrete buildings using the latest formwork technology. Additionally, Highrise's expertise includes apartment projects, condominiums, hotels, and similar structures. Baker's Highrise Operations excels in using the unique and innovative tunnelform construction method, making Baker the largest concrete shell subcontractor in the country.