Epsilon is the leader in Marketing services with a client list that include most of the heavyweights like JP Morgan Chase & Co., Kroger Co., Capitol One, Marriott Rewards, Verizon, Kraft, Hilton Hotels, AstraZeneca, McKinsey Quarterly, US Bank, Citi Bank, Walgreens, Ritz-Carlton Rewards, Brookstone, Best Buy, Tivo, and LL Bean, Just to name some….See Details. @TatWza