TAC Americas Inc.(Dallas) has acquired one of its leading business partners,Control Solutions Ltd. LLC(Lebanon, OH). TAC Americas is a business unit of Sweden-based TAC Holding AB, a world leader in Building IT(TM), which is information technology for building management. Control Solutions specializes in systems integration and energy services for buildings of all sizes. The company has sold and installed TAC products for more than 15 years, frequently winning awards for sales and market expansion.