LOS ANGELES( Dec. 5, 2005)AECOM, the global design and professional technical services company, has merged with San Francisco-based EDAW, Inc., an urban planning and design, landscape architecture, economics, and cultural and environmental services firm practicing worldwide. The merger combines EDAW's front-end planning expertise with AECOM's design and program and construction management capabilities. By combining expertise, AECOM and EDAW will extend their service lines and be able to address a broader spectrum of market needs on a worldwide basis. EDAW will operate as an AECOM company under the EDAW name.