- Business
- Kyowanissei Co., Ltd. (TSE:1981) engages primarily in gas construction, building equipment installation, and civil engineering works in Japan. The company operates through four main segments: Building Equipment Business, including heating, hot water supply, air conditioning equipment construction, solar cells, fuel cells, and storage battery systems; Gas Equipment Business, covering gas pipeline laying, main pipe burial, branch pipe burial, indoor plumbing, floor heating, propane gas works, and gas equipment installation; Gas Pipe Business, encompassing road paving related to gas pipelines, gas leakage repair, and maintenance services; and Electrical Construction and Civil Engineering Business, comprising electric conduit burial, water and sewage works, general civil engineering, plumbing, sanitary equipment, and commercial air conditioner maintenance. Founded in 1887 and headquartered at 3-8-5 Irifune, Chuo-ku, Tokyo 104-0042, Japan, Kyowanissei serves domestic markets with approximately 775 employees and focuses on construction facilities, gas infrastructure, and integrated facility services for utilities, commercial, and residential customers. In recent developments, the company announced and completed an equity buyback program in May 2025, repurchasing 420,000 shares, or 3.77% of its capital, for ¥567.84 million, following an earlier buyback of 800,000 shares in November of the prior year; it also held investor briefings and released fiscal results, including the 2026 fiscal year Q1 announcement in August 2025.