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ERMCO (Electric Research and Manufacturing Cooperative, Inc.) is headquartered in Dyersburg, Tennessee, and is a wholly owned subsidiary of Arkansas Electric Cooperatives, Inc. (AECI), Little Rock, Arkansas. With all product lines made in the USA, ERMCO is one of the largest producers of oil filled distribution transformers and transformer components in the United States. Incorporated in 1964, transformer production began in 1972 in a new 32,000 square foot facility. Since that startup, ERMCO has expanded into 400,000 square feet in two buildings in Dyersburg, plus 50,000 square feet of production area in a leased facility in Greeneville, Tennessee, for its components business. ERMCO has been manufacturing single phase pole and pad transformers in the same building since its beginning in 1972. In 1999, ERMCO purchased a building and property adjacent to the existing single phase manufacturing facility and entered the three phase padmount market. The Dyersburg property includes approximately 40 acres to support additional growth well into the future. In 1998, ERMCO purchased the General Electric Transformer Components company. The business was renamed ERMCO Components, Inc. (ECI), and an existing off shore manufacturing facility was moved back into the United States in a plant leased from BTL Industries located in Greeneville, Tennessee. ECI components are sold to transformer manufacturers domestically and internationally.