Tech24, the Greenville, S.C., national foodservice equipment service, repair, and maintenance company, announced Nov. 15 it has acquired A-Service Group. Based in Oak Creek, Wis., A-1 Service Group includes four divisions: A-1 Services, an HVAC and refrigeration servicer; A-1 Restaurant Equipment Services, which provides hot- and cold-side foodservice equipment parts and services; Assured Power, a…