The Sandy Springs/Perimeter Chamber of Commerce awarded Cory Jackson, manager of personal and business banking at RBC Bank, the business group’s Community Service Award for 2011. The chamber also honored several local businesses, naming AdMan Promotions its Small Business of the Year; Emerald Data Networks its Technology Business of the Year; and Blue Grotto Tapas Bistro its Restaurant of the Year. The awards were announced during the chamber’s May 16 meeting.