MERGERS AND ACQUISITIONS Avtex Inc., Bloomington, has acquired Perimeter Technology of Georgia. Terms were not disclosed. The company will operate as Avtex Inc.

NEW BUSINESS The National Strength and Conditioning Association has signed with Media Relations Inc., Burnsville, a pay-per-interview publicity and marketing agency.

Digital Angel Corp., South St. Paul, has signed a long-term contract between its McMurdo division and the United Kingdom's Royal National Lifeboat Institution to supply man-overboard rescue systems.

PERFORMANCE Leading Real Estate Companies of the World, Chicago, a network of independent real estate firms, has awarded Edina Realty the RELO Quality Certification. The certification recognizes real estate companies with service excellence, professionalism and industry expertise in their relocation departments.

PERSONNEL MOVES Granite City Food & Brewery Ltd., St. Louis Park, named James Gilbertson chief financial officer, replacing Peter Hausback, who left the company. Gilbertson is currently a director of the company.

Universal Hospital Services Inc., Eden Prairie, named Kevin Roberg to its board of directors and named him to serve as chairman of the company's audit committee. Roberg is chairman and CEO of Pro Staff.