Heiwa Corporation (Japanese: 株式会社平和, Hepburn: Kabushiki Gaisha Heiwa) is a privately owned Japanese manufacturer of pachinko and pachislot machines established in Kiryū, Gunma in 1949.^[2] It is one of the world's largest maker of pachinko machines.^[3]

Born in Korea, Kenkichi Nakajima, then a student, came to Japan in 1937 and worked in a defense factory during World War II.^[4][3] In 1949, he established Heiwa ('peace') as he wanted to produce goods unrelated to war;^[3] it was, however, only officially incorporated on September 9, 1960.^[5] In 1988, it became the first over-the-counter company in the pachinko industry. It entered the Tokyo Stock Exchange on the Second Section in 1991 and moved to the First Section in 1997.^[2] In 1998, Heiwa acquired Olympia, another pachinko manufacturer, and turned it into a subsidiary company.^[6] Heiwa became the first company in its segment to have an ISO9001 in 2000.^[2] In 2004, it founded the subsidiary company PGM Holdings, a golf course operator.^[5][7]