SNC grew aggressively through acquisitions. In 1995, Arnold Communications boss Ed Eskandarian sold out to Snyder. It acquired four other firms since the beginning of 1997, including Medical Marketing Detailing Inc., a New York-based provider of pharmaceutical marketing services; American List Corp. of Mineola, New York, which maintains a database of more than 30 million students that it rents to direct mail and telemarketing companies;fair Neighbor Direct, which provides marketing services for clients in 5,000 retail outlets; and Brann Holding Ltd., a British direct marketing company.