Founded in 1977, Sam Dong Co., Ltd. manufactures winding-wire materials and related copper products for the electrical-energy and equipment industries. Its portfolio ranges from oxygen-free high-conductivity copper to continuously transposed conductors and MgB₂ superconducting wire, supported by facilities in South Korea, the United States, and Poland.
Tongling Jingda Special Magnet Wire Co., LtdFounded in 1990 in Tongling, a major copper-producing center on the Yangtze, Tongling Jingda Special Magnet Wire Co., Ltd. manufactures electromagnetic wire and conductor solutions for motors, transformers and other electrical equipment. The publicly listed company has grown into a 24-subsidiary group with 17 research platforms and three CNAS-accredited laboratories, while its production clusters serve customers across China and international markets. Jingda is particularly active in electric-vehicle drive motors, where its copper flat wire is designed for high energy density, heat dissipation and corona resistance.NEW YORK, NY
International Wire Group, IncFounded in 1885, International Wire manufactures copper and copper-alloy wire products from its headquarters in Camden, New York, serving customers across the United States and Europe. The company is the largest non-vertically integrated U.S. producer in its field, with capabilities spanning standard and custom conductors, braids, and engineered wire solutions for applications from electrification to e-mobility and industrial automation.CAMDEN, NY
Sark Wire CorpSark Wire Corp manufactures uninsulated copper wire and oxygen-free copper rod at U.S. facilities in Albany, New York, and Eastanollee, Georgia. Part of Sarkuysan, a copper producer founded in 1972, the company opened its New York operation in 2008 and added its Georgia facility in 2015. With more than 200 employees and nearly 100 million pounds of annual capacity, Sark Wire produces material ranging from ultra-fine AWG 44 to heavy-duty 1200 MCM and makes its own copper rod in-house.ALBANY, NY
Taihan Cable & Solution Co., LtdFounded in 1941 as South Korea’s first cable company, Taihan Cable & Solution makes power and communications cables, base-metal materials, and related infrastructure solutions. Its work is rooted in extra-high-voltage technology and now extends to submarine cables and renewable-energy projects, supported by a global network spanning more than 100 countries. Taihan’s Dangjin site is described as the world’s largest single cable factory, while the company has also earned five consecutive integrated ESG A ratings from KCGS.FLORAL PARK, NY