Black Box Corp., Pittsburgh, has announced a merger with Da/Com Limited, Stoughton, Mass. Da/Com provides technical design, installation and maintenance services for telecommunication, premise cabling and related products to customers primarily in the greater Boston area. Herbert D. Buchine, president and owner of Da/Com, said, "This merger allows us to capture the opportunities and fill the growing demand in the industry to deliver full connectivity expertise from under one roof." Buchine will serve as vice president for Black Box network services - New England operations.