• AT & T
• AT & T Shannon Lab
• Accenture
• BMW Group
• Blue Cross and Blue Shield
• Citigroup
• Ernst & Young
• Fremont Investment & Loan
• International Finance Corporation
• JPMorgan Chase
• Johns Hopkins University
• KPMG
• McGraw-Hill/The Grow Network
• SBLI USA
• Starwood Hotels and Resorts Worldwide
• TD Ameritrade
• World Bank

Cluster fully recognizes the importance of working in alliance with other organizations that complement its own product and service capabilities. Cluster's alliance program underlines the importance that Cluster places on delivering best-practice product and service solutions globally.