D.D. Williamson, Louisville, Ky., has acquired the Dinesen Trading Co., Port Washington, Wis. The acquisition of the natural color manufacturer will broaden the range of food and beverage color products available from D.D. Williamson. The company will operate Dinesen’s color manufacturing facility in Wisconsin as the central source for its expanded natural colors operation. The D.D. Williamson spectrum of natural colors will now feature annatto, turmeric, paprika and carmine, in addition to the elderberry and chokeberry products acquired through its July acquisition of the natural colors business of Artemis International Inc.