DSD Business Systems has acquired Sage 100 enhancements from Accounting Systems Inc., which is based in Columbia, S.C. San Diego, Calif.-based DSD said this week it acquired seven products, which will remain on the market. Jon Reiter, DSD's chief software engineer, said the applications work with Sage 100 ERP versions 4.50, 2013, 2014 and 2015 The enhancements include Service Center, which the parties described as the only Sage 100 product designed for service centers and depot repair shops.