Masuoka Gumi Co., Ltd.
Japanese name: 株式会社増岡組 · English rendering · Corporate number 6010001029528 · 日本語
Masuoka Gumi Co., Ltd. (株式会社増岡組), a construction employer in Tokyo with 101–300 employees, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that 5.5% of its managers are women (as of October 2025).
Women's advancement and leave
The pay figures compare women's average pay with men's, not pay for the same job. Data as of October 2025.
Working hours and retention
Construction in Tokyo
- ICHIJO CO.,LTD.Women managers 2.7%
- Hitachi Building Systems Co., Ltd.Women managers 2.8%
- Mitsubishi Electric Building Solutions Co., Ltd.Women managers 1.8%
- JFE Plant Engi Co., Ltd.1001–5000 employees
- JR East Japan Biltec Co., Ltd.Women managers 3.3%
- KDDI Engineering Co., Ltd.Women managers 3.1%
- NEC Facilities Co., Ltd.Women managers 2.9%
- NX Engineering Co., Ltd.Women managers 1.0%
Every construction employer in Tokyo →
Questions this page answers
- What share of managers are women at Masuoka Gumi Co., Ltd.?
- 5.5%, as reported to MHLW's women's-advancement database (as of October 2025).
- How much overtime do employees at Masuoka Gumi Co., Ltd. work, and how much paid leave do they take?
- Average overtime is 22.8 hours a month (median for the same industry and size: 16.0 hours), as reported to MHLW's women's-advancement database.
- How long do employees stay at Masuoka Gumi Co., Ltd.?
- Average tenure is 16.2 years for men and 11.7 years for women.
Japan Human Capital Data 2026
Every figure for about 36,000 unlisted employers and 3,789 listed companies at once: percentile ranks within each industry and size band, women among supervisors, ten-year retention by gender, women's leave uptake, and every foreign-owned subsidiary flagged with its parent. In a members' dashboard and as Excel and CSV.
What Professional includesSource: Ministry of Health, Labour and Welfare, women's-advancement database (open data), as of 2026-10-06; figures are self-reported by each employer and checked for plausibility by The Hardest Market. 女性の活躍推進企業データベースオープンデータ(2026年10月6日時点)を加工して作成.