Dawson, a staffing firm in Columbus, announced Tuesday it acquired Atrium Personnel, another staffing firm with offices in Heath, Mount Vernon, Strasburg and New Philadelphia. Terms of the deal were not disclosed. Dawson's staffing business generated $39 million in revenue in 2015, a spokesperson for the company said. Dawson expects combined revenues to top $50 million in 2016. "This acquisition will allow us to expand our work force solutions and strengthen our presence across Central and northeast...