Constant Contact champions a field known as Engagement Marketing. Constant Contact helps small businesses, associations, and nonprofits. They've been doing this since 1998. Constant Contact's email marketing is an award-winning product and can generate referrals. They have over half a milion customers and are located in Waltham, Massachusetts. They also have offices in Loveland, CO, Delray Beach, FL, San Francisco, CA, New York, NY and London, England. It's a fine company worth your look.