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Gefran is a Winchester, MA-based company in the Manufacturing sector.
Powell Construction Company is a Johnson City, TN-based company in the Manufacturing sector.
Southwest Electric Co. is a Oklahoma City, OK-based company in the Manufacturing sector.
Brettwood Machinery Works Ltd. is a Madoc, ON-based company in the Manufacturing sector.
McElroy began operations in 1954 as a two-person start-up in an Oklahoma garage. In the 1960s, McElroy became a forerunner in the Fintube Machinery market, with a strong presence continuing today. In 1969, McElroy designed its first Polyethylene Fusion Machine. That line has now expanded to the industry`s most complete line of fusion equipment, used with a variety of thermoplastic pipe, from HDPE and Fusible PVC to Polypropylene-Random.