• The Unified Group (Broadview, Ill.) has welcomed new members. They are: Air Management Systems Inc. (Miami), Arkansas Mechanical Services (Little Rock, Ark.), Donnelly Mechanical Corporation (College Point, N.Y.), GM Mechanical (Covington, Ohio), Heating & Plumbing Engineers Inc. (Colorado Springs, Colo.), Mechanical Systems and Service (Monroe, La.), and Ruthrauff Inc. (McKees Rocks, Pa.).

    Publication date: 06/09/2003