Supply Chain Mangement Keller-CMS global supply chain management system provides for efficient vendor and materials management, while capitalizing on our volume-leveraged network of suppliers. Suppliers to our manufacturing program have been prequalified for quality, reliability, performance, and value.  Continuous assessment and expansion of our vendor base, coupled with sophisticated management systems ensure optimized vendor selection for our varied contract manufacturing programs.   Keller-CMS supply chain management also allows for easy and efficient incorporation of our customers' existing supply chain into our program, which is especially important for expedited programs. Whether suppliers to your contract manufacturing program are established, non-existent, or somewhere in between - Keller-CMS is able to step in, establish, organize, optimize, and manage an efficient Supply Chain to ensure the success of your program.