A Dayton software company is opening a second office to support its current and future growth. Tangram Flex will soon launch its new location at the 444 Building on East Second Street in downtown Dayton. Located near its headquarters at the Avant-Garde building on East Third Street, the company's second office will be located in the former Mile Two space. Mile Two vacated the property after moving to The Manhattan building near Avant-Garde. Tangram is investing between $400,000 and $500,000 in...