eicoh.com EICOH Co., Ltd. (株式会社エイコー) is a Japanese IT and office solutions company founded in 1972 in Osaka by Yamada Goichi, now with dual headquarters in Osaka and Tokyo, 430 employees and annual revenue of 13.5 billion yen. Led by President Sakai Taihei since March 2024, it provides office equipment optimization, digital transformation, cybersecurity, paperless workflow and sales enablement services for major Japanese corporations. The company holds 25 government construction licenses covering civil engineering, telecommunications, electrical and building works. It operates subsidiaries in renewable energy (Eiko Energio with 2.2 MW solar capacity), media and regional services across Kinki, Kanto, Kyushu and Tohoku. Its history spans copier sales in the 1970s, fax boom in the 1980s, system integration in the 1990s and green energy since 2000. The company celebrated 50 years in 2024 and launched a new mission, vision and values under its new president.