Aterian Investment Partners, a leading private equity firm, announced that one of its affiliates acquired Johnstown Wire Technologies, the largest independent producer of high-quality, value-added carbon and alloy wire in North America. The Johnstown, Pa.-based company, which employs 260 people, focuses on customized specialty wire products consisting of cold heading quality, plated and premium direct-drawn products where metallurgical quality is the differentiating factor. Johnstown Wire’s products are sold into a variety of end markets, including transportation and construction.