Chicago, IL - InnerWorkings today announced that it ranked number 229 on Technology Fast 500, Deloitte's ranking of 500 of the fastest growing technology, media, telecommunications, life sciences and clean technology companies in North America. Rankings are based on percentage of fiscal year revenue growth during the period from 2005–2009.

InnerWorkings grew 421% percent during this period. InnerWorkings' chief executive officer, Eric Belcher, credits the company's proprietary technology and ability to provide customers both the print cost efficiencies and quality they require with the company's revenue growth. He said, "In addition to our technology platform, this is a testament to the passion and dedication of our employees in driving this level of growth."

"InnerWorkings and the other 2010 Technology Fast 500 winners forged ahead in a challenging economic environment to realize exceptional growth," said Phil Asmundson, vice chairman and Deloitte's U.S. technology, media and telecommunications leader. "Deloitte commends InnerWorkings for this impressive accomplishment."

"InnerWorkings has proved itself to be one of the fastest growing tech companies in North America, and we are proud to honor them as one of the 2010 Technology Fast 500," said Mark Jensen, managing partner, venture capital services, Deloitte & Touche LLP.