Nesco Resource, a national staffing and employment agency, recently opened an office in O'Fallon, Missouri. Nesco is leasing a 1,500-square-foot facility at 2013 State Highway K and will employ three people there, including Branch Manager Brad Beilstein, the company said in a release. "Nesco Resource believes we can really grow in this area," Beilstein said. Nesco has another location in St. Louis, at 10777 Sunset Office Drive in south St. Louis County that also employs three people. Greenberg...