CDI Corp. provides engineering, information technology and staffing solutions. The Company operates in three segments: Global Engineering and Technology Solutions (GETS), Professional Staffing Services (PSS) and Management Recruiters International (MRI). It provides staffing services through its MRINetwork of franchisees. The GETS segment provides engineering and information technology solutions that involve the production of deliverable work products or services performed at its facility or at a customer's facility. The PSS segment provides technical and professional personnel for discrete periods of time to augment the customer's workforce in times of project, seasonal, peak period or business cycle needs. The MRI segment is a global franchisor that does business as MRINetwork and provides the use of its trademarks, business systems and training and support services to its franchisees. It serves the oil, gas and chemicals, aerospace and industrial equipment, and hi-tech industries.