• Murphy Co. (St. Louis) namedSamuel Welge, CEM, as manager of its Energy Solutions group.

• The Dwyer Group (Waco, Texas) promotedChris Mellonto vice president of marketing.

• Lau Industries (Dayton, Ohio) appointed Shahn Dilksas regional sales engineer.

• Simpson Dura-Vent (Pleasanton, Calif.) namedMike Wolfeas general manager of its Albany, N.Y., operations.

• Master-Bilt (New Albany, Miss.) appointedRoss B. Buelas national/chain accounts manager for Foodservice Sales.

Publication date:04/05/2010