A Columbus tech company launched a Dayton office and plans to regrow its presence in the market. ComNet Solutions, an information and communications technology business, leased a suite at 4140 Linden Ave. said Bob Talty, director of business development. Talty told me the company has done business in Dayton since the 1970s but hasn't has a physical office in the market for about five years. He said they've been at their new office for about a week and are starting out with three employees at the...