Gartner's Magic Quadrant evaluates 22 providers of customer management contact center business process outsourcing services. The market is vibrant and changing due to evolving technology, economic conditions, and customer needs. Gartner defines the market and evaluates key providers such as Aegis, Alorica, and Atento based on their strengths, cautions, and positioning in the market. Sourcing managers need awareness of changes in the provider landscape.