One of Cincinnati's largest IT firms has been acquired by cable giant Comcast as it launches a new division to provide services to Fortune 1,000 companies. Comcast Corp. (Nasdaq: CMCSA) has acquired West Chester, Ohio-based Contingent Network Services, the cable giant announced Wednesday. Contingent specializes in managed secure area networks, integration, logistics and maintenance for large companies including Procter & Gamble Co. and Kraft Foods Group Inc. The company is being folded into Comcast...