CHICAGO--(BUSINESS WIRE)--InnerWorkings, Inc. (NASDAQ: INWK), the leading global marketing execution firm, today reported results for the three months ended June 30, 2015. For all Non-GAAP references, please refer to the Non-GAAP reconciliation table below for more information. Second Quarter Highlights Revenue was $252.2 million as reported and $268.6 million in constant currency, reflecting 3% growth in constant currency over $260.3 million in the second quarter of 2014. Gross profit for the