Two manufacturers - one for a second time - and two service firms have received the Malcolm Baldrige National Quality Award for their achievements in quality and business performance. The 1997 awards, announced by the Department of Commerce on October 15, went to 3M Dental Products Division, St. Paul, MN (manufacturing); Solectron Corp., Milpitas, CA (manufacturing); Merrill Lynch Credit Corp., Jacksonville, FL (service); and Xerox Business Services, Rochester, NY (service). Solectron Corp. also won the award in the manufacturing category in 1991.