SNYDER COMMUNICATIONS INC., Bethesda, MD, has bought New York-based Media Syndication Global, an integrated marketing and media services company. The purchase price was not disclosed. With a database of more than 2 million names, Media Syndication is expected to bring circulation clout to marketing programs. The company also contributes new media and cooperative mail program management to Snyder. Earlier in the month, Snyder combined its direct services group under the name Brann Worldwide. The unit has 4,000 employees.