who bought earth tech consulting
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 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.