1969 - Early 1970s
Originally named Fraternal Systems, Epsilon's history began with four Harvard Business School students creating the first database to store member contact information for their fraternity. Their computer program enabled fraternities to automate communication with their expanding member base. Once word spread that contact information could be stored on a database, Fraternal Systems began working with various non-profits to do the same for their fundraising efforts.
1975
Creation of a variable length record revolutionizes direct marketing.
Firm wins first for-profit client, United Airlines' membership program.
1976
To better reflect what they do, the Epsilon (meaning "member of") brand is born.
1984
Epsilon goes public.
1988
Leveraging technology developed by the Pentagon, Epsilon uses 'serial processing' that reduces download and information processing time from 7 days to 15 minutes.
1990
American Express acquires Epsilon.

2004
Alliance Data acquires Epsilon.

2005
Frequency Marketing Inc, a Loyalty Solutions company is acquired.

2005
Epsilon acquires Bigfoot Interactive, a leading email solutions provider.

2006
Epsilon acquires DoubleClick Email Solutions to expand email capabilities.

2006
Epsilon acquires CPC Associates, a marketing data company, with the industry's leading New Mover database.

2007
Epsilon acquires Abacus, the original and largest cooperative transactional database.

2009
ICOM, the leading source for self-reported consumer data across North America, is acquired.

2010
Epsilon acquires Equifax Direct Marketing Services Division, bolstering Epsilon's marketing data portfolio with the leading compiled database, TotalSource and further expands Epsilon's customer database (CRM) solutions.

2011
Epsilon acquires Aspen Marketing Services, the largest privately held direct marketing services agency in the United States.

2012
Epsilon acquires Hyper Marketing creating one of the Nation's leading digital agencies.
