HOUSTON, Oct. 30, 2015 (GLOBE NEWSWIRE) — Integrated Electrical Services, Inc. (or “IES”) (NASDAQ:IESC) today announced that a wholly-owned subsidiary of IES has acquired all of the membership interests of Calumet Armature & Electric, LLC (“Calumet”), an Illinois-based provider of design, manufacturing, assembly, and repair services of electric motors for the industrial and mass transit markets. Calumet will operate as a subsidiary in IES’s Infrastructure Solutions segment and will continue to operate under the Calumet name. Read More…