Constant Contact, Inc. is an online marketing company offering email marketing, social media marketing, online survey, event marketing, digital storefronts, and local deals tools, primarily to small businesses, nonprofit organizations, and membership associations. It claims over 600,000 customers after May 1, 2014. Constant Contact was ranked 399th in Deloitte’s Technology Fast 500 in 2013, compared with 249th in 2012, 179th in 2011, 134th in 2010, and 153rd in 2009. The company is headquartered in Waltham, Massachusetts, with additional offices in San Francisco; Loveland, Colorado; New York, New York; Delray Beach, Florida; and London, England.