* Roger J. Levitt has been appointed...

* Roger J. Levitt has been appointed associate director of sales for Davstar Industries Ltd., a Costa Mesa manufacturer of disposable medical products. He was previously a vice president with Insta-Care, a division of Jack E. Eckard Corp.; HMS Pharmacy Services Inc., a division of Beverly Enterprises, and Travenol Laboratories Ltd., a division of Baxter and Travenol.