For the first time since I began compiling this list in 2012, the number of Central Ohio public companies has dropped to fewer than 30, down from a high point of 33 in the 2014 list. Bob Evans Farms Inc. and DCB Financial Corp were both acquired during 2017. And while Bravo Brio Restaurant Group Inc. is still listed, it too will drop off next year after its March 2018 announcement of acquisition by GP Investment LP. A few other departures since the 2012 list: Pacer International Inc., Oxford Resource...