Master Spartan, 12281 Bedford Pl, Maryland Heights, MO 63043, US

Epsilon, also known as Epsilon Data Management, is a full-service company that offers multichannel, data-driven technologies and marketing services. The company provides strategic consulting, database and loyalty technology, proprietary data management and predictive modeling services. Its creative and interactive services include brand and promotional development, e-mail deployment, search engine optimization and direct mail production. Epsilon s marketing unit focuses on launching new products in retail outlets and measuring the results. The company s advanced referential database ensures that all of data and customer files include the updated information available in the marketplace. It is a subsidiary of Alliance Data, which is a provider of marketing, loyalty and transaction services. Epsilon maintains one of its offices in Earth City, Mo.