AECOM went public during May 2007 with an initial public offering on the NYSE, netting $468.3 million. On January 8, 2008, AECOM acquired The Services Group, Inc., a provider of consulting services to the US Agency for International Development and other multi-lateral donor organizations. On July 28, 2008, AECOM completed its purchase of Earth Tech Inc., a consulting and engineering firm, from Tyco International for $510 million. On July 14, 2010, AECOM announced its acquisition of Tishman Construction Corp., a leading provider of construction management services in the United States and the United Arab Emirates, in a $245 million transaction including $202 million in cash and the remainder in AECOM common stock. On July 13, 2014, AECOM announced its acquisition of URS Corporation, an engineering, construction, and technical services firm for US$56.31 per share in cash and stock. Effective July 10, 2014, it acquired ACE International Consultants SL, a Madrid-based provider of consulting services. In July 2014, it acquired Hunt Construction Group, adding to AECOM's construction services business. In July 2017, AECOM acquired Shimmick Construction Company.