MERGERS AND ACQUISITIONS Nash Finch Co., Edina, completed its previously announced acquisition of certain assets from GSC Enterprises, Inc., a food distributor headquartered in Sulphur Springs, Texas. As a result, Nash Finch Co. will operate three former GSC distribution centers: in Pensacola, Fla., Junction City, Kan., and San Antonio.

Amcom Software, Minneapolis, has acquired SDC Solutions Inc. of Manchester, N.H., a provider of mission-critical communications products. Terms were not disclosed.

NEW BUSINESS 3M Co., Maplewood, announced the formation of its new Renewable Energy Division. It will enable 3M to maximize the company's technologies, products and responsiveness to the renewable energy industry.