A number of ESPs and Email Marketing Companies achieved a placement in the annual Inc. 5000 listing of America’s fastest growing companies.  Having trawled the listings and having looked up dozens of ESPS we have compiled a list of the fastest growing Email Service and Solution Providers in America.

“Interactive marketing has come a long way in a short time… and now represents 15% of all advertising spend,” wrote Shar VanBoskirk, vice president and principal analyst at Forrester Research, Inc. in her April 2011 report entitled “The Future Of Interactive Marketing.”   So it should be no surprise in that case to find so many marketing automation companies and ESP’s on the Inc.5000 list.

Some notable inclusions are iContact with an impressive 488% 3 year growth and Interspire with an incredible 504% three year growth. Heavyweights include ExactTarget with a turnover of $134.3 million, who have placed on the Inc. 5000 for 6 years running and Responsys at $94.1 million. There are of course ones to watch, including Emailvision with 126% 3 year growth and $56.7 million turnover. Listed on Inc. 500 as having 350 employee’s, those that follow the industry will know that they already exceed 600 employees with the recent acquisition of  the UK based SmartFocus.

“Interactive marketing and ExactTarget continue to experience rapid growth, as marketers move dollars from offline marketing channels and adopt our cutting-edge technology to connect with consumers in real time across email, mobile, social media and the Web,” said Scott Dorsey, ExactTarget’s chief executive officer and co-founder.

Email Marketing Companies on Inc. 5000

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#636 Interspire

http://www.inc.com/inc5000/profile/interspire

Revenue: $8.1million
Employees: 53
founded 2003

#655 iContact

http://www.inc.com/inc5000/profile/icontact

Revenue: $38.6 million
Employees: 242
founded: 2003

#1377 Bronto Software

http://www.inc.com/inc5000/profile/bronto-software

Revenue: $11.1 million
Employees: 78
founded: 2002

#1541 ExactTarget

http://www.inc.com/inc5000/profile/exacttarget

Revenue: $134.3 million
Employees: 824
Founded: 2000

#1610 Emma

http://www.inc.com/inc5000/profile/emma
Revenue: $13.6 million
Employees: 103
founded: 2002

#1770 Responsys

http://www.inc.com/inc5000/profile/responsys

Revenue $94.1 million
Employees: 488
founded: 1998

#1771 Vertical Response

http://www.inc.com/inc5000/profile/verticalresponse

Revenue: $21.5 million
Employees: 93
founded: 2001

#1795 InfusionSoft

http://www.inc.com/inc5000/profile/infusionsoft

Revenue: $17.5million
Employees: 122
founded: 2001

#2109 Clickmail Marketing

http://www.inc.com/inc5000/profile/clickmail-marketing

Revenue: $3 million
Employees: 15
Founded: 2000

#2018 Emailvision

http://www.inc.com/inc5000/profile/emailvision

Revenue: $ 56.7 Million
Employees: 350
Founded 1999

#2296 Blue Sky Factory

http://www.inc.com/inc5000/profile/blue-sky-factory

Revenue: $4.8 million
Employees: 27
founded: 2001

#2424 Delivra

http://www.inc.com/inc5000/profile/delivra

Revenue: $3.1million
Employees: 22
Founded 1999

#2442 Intela

http://www.inc.com/inc5000/profile/intela

Revenue: $20 million
Employees: 65
Founded 2006