PHILADELPHIA, Oct. 5, 2011 /PRNewswire/ -- CDI Corporation (NYSE: CDI) today announced that its Canadian subsidiary, CDI Professional Services, Ltd., has been awarded a multi-year, multi-million dollar Master Services Agreement from TransCanada Corporation. Under this agreement, CDI will serve as a significant vendor for TransCanada, a leading energy infrastructure company in North America. CDI will be responsible for providing staffing services including construction management and inspection, engineering, project management and technical skill sets for pipeline, power and facilities infrastructure projects throughout North America. "CDI has worked with TransCanada since 1998, partnering with them to provide the resources they need to complete key projects as well as supplying ongoing maintenance and operations support," said Greg Thullner, senior vice president and general manager of CDI Professional Services, Ltd. "As our relationship evolved over the years, we gained a clear understanding of their business objectives and developed customized talent solutions to meet their needs. This contract renewal demonstrates that TransCanada recognizes our dedication to implementing efficient programs that contribute to the success of their company." About CDI CDI Corporation (NYSE:CDI, www.cdicorp.com) is a leading provider of engineering and information technology outsourcing solutions and professional staffing. Its operating units include CDI Engineering Solutions, CDI IT Solutions, CDI AndersElite Limited, and Management Recruiters International, Inc. As part of CDI Engineering Solutions, CDI Professional Services, Ltd. provides engineering and staffing outsourcing solutions to the Canadian market. Learn more at www.cdi-ps.com. About TransCanada With more than 60 years experience, TransCanada is a leader in the responsible development and reliable operation of North American energy infrastructure including natural gas and oil pipelines, power generation and gas storage facilities. TransCanada's network of wholly owned natural gas pipelines extends more than 57,000 kilometers (35,500 miles), tapping into virtually all major gas supply basins in North America. TransCanada is one of the continent's largest providers of gas storage and related services with approximately 380 billion cubic feet of storage capacity. A growing independent power producer, TransCanada owns, or has interests in, over 10,800 megawatts of power generation in Canada and the United States. TransCanada is developing one of North America's largest oil delivery systems. TransCanada's common shares trade on the Toronto and New York stock exchanges under the symbol TRP. For more information visit: www.transcanada.com . SOURCE CDI Corp.