Claritas Inc, which provides intelligent marketing information and target marketing services, has extended its agreement with long-time client Levi Strauss & Co to provide customer segmentation and targeting services. Commenting on the extension, Joseph Weber PhD, director of business information development for Levi Strauss & Co said: "One of the benefits of using the iMARK Online (IOL) system is it allows us to integrate our proprietary data with Claritas' demographic, business and psychographic information, enabling Levi Strauss & Co to identify demand for our products and pinpoint opportunities that may exist for our retailers within specified trade areas.''