BEDMINSTER, N.J.--(BUSINESS WIRE)--Dendrite International, Inc. (NASDAQ: DRTE) today announced that its largest customer has extended its contract covering Dendrite’s sales force support services in the US through the end of 2007, at current pricing, but plans an orderly transition of many of these support services in-house and to one or more third-party vendors. The customer will continue with support, maintenance and enhancements of Dendrite’s sales force effectiveness products up to 2011. Contracts with this customer outside of the US are not affected.