Who makes Ruud furnaces?

Who makes Ruud furnaces is Rheem Manufacturing Company, which is owned by Paloma Industries, Japanese company headquartered in Nagoya, Japan, and manufactures Ruud furnaces in Fort Smith, Arkansas for US market, same factory that makes Rheem furnaces and Ruud AC units. Rheem Manufacturing Company was founded in 1925 in Emeryville, California by Richard Rheem and Donald Rheem as small company making steel drums, then expanded into water heaters in 1930s and HVAC in 1950s. In 1959, Rheem acquired Ruud Manufacturing Company that was founded in 1897 by Edwin Ruud who invented first automatic storage water heater. In 1988, Paloma Industries, family-owned Japanese company founded in 1911 that makes gas appliances, acquired Rheem Manufacturing Company including Ruud brand for about 1 billion dollars to expand into North America. Today, Rheem Manufacturing headquartered in Atlanta, Georgia, manufactures Ruud furnaces including Classic R92 single stage 92 percent AFUE, Classic Plus R96V two-stage variable speed 96 percent AFUE, and Ultra R98V modulating 98 percent AFUE in Fort Smith, Arkansas plant that employs over 1,000 workers and produces about 500,000 HVAC units per year, with some components sourced globally but final assembly in US, using same components as Rheem, only badge different. Ruud brand is sister brand to Rheem, similar to American Standard being sister to Trane. So maker is Rheem Manufacturing Company owned by Paloma Industries Japan.