Rock Hill Capital Group has sold Integrated AV Systems (dba CCS Presentation Systems and Creative Presentation Systems) to AEA Investors-backed Troxell Communications. Integrated AV is a full service integration and value-added reseller of audio and video equipment. The company was acquired by Rock Hill in partnership with GulfStar Group in 2008. AEA has owned Troxell since a December 2008 buyout.