What share of managers are women at Dia Co., Ltd.?

38.9%, as reported to MHLW's women's-advancement database (as of December 2025).

What is the gender pay gap at Dia Co., Ltd.?

Women's average pay as a percentage of men's: 92.3% across all employees, 81.9% among regular employees, 100.0% among non-regular employees. This compares average pay, not pay for the same job.

How much overtime do employees at Dia Co., Ltd. work, and how much paid leave do they take?

Average overtime is 3.0 hours a month (median for the same industry and size: 13.7 hours), and employees take 60.0% of their paid leave (median: 73.5%), as reported to MHLW's women's-advancement database.

How long do employees stay at Dia Co., Ltd.?

Average tenure is 8.0 years for men and 4.0 years for women.

← Food, beverages & tobacco in Osaka

Food, beverages & tobacco·Osaka·301–500 employees

Dia Co., Ltd.

Japanese name: 株式会社ダイヤ · English rendering · Corporate number 3120001018126 · 日本語

Dia Co., Ltd. (株式会社ダイヤ), a food, beverages & tobacco employer in Osaka with 301–500 employees, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that 38.9% of its managers are women, women's average pay is 81.9% of men's among regular employees (as of December 2025).

Women's advancement and leave

Women in management

38.9%

Median, same industry and size: 10.0%

Women among officers

0.0%

Median, same industry and size: 0.0%

Women among new hires

20.0%

Median, same industry and size: 40.0%

Women's pay as % of men's, all

92.3%

Median, same industry and size: 67.5%

Women's pay as % of men's, regular

81.9%

Median, same industry and size: 77.0%

Women's pay as % of men's, non-regular

100.0%

Median, same industry and size: 81.4%

Men taking childcare leave

Not published

Median, same industry and size: 50.0%

The pay figures compare women's average pay with men's, not pay for the same job. Data as of December 2025.

Working hours and retention

Average monthly overtime

3.0 hrs

Median, same industry and size: 13.7 hrs

Paid leave taken

60.0%

Median, same industry and size: 73.5%

Average tenure, men

8.0 yrs

Median, same industry and size: 15.0 yrs

Average tenure, women

4.0 yrs

Median, same industry and size: 11.2 yrs

Food, beverages & tobacco in Osaka

Suntory Holdings Co., Ltd.Women managers 14.0%
Aoki Shofuan Co., Ltd.Women managers 70.9%
Food Process Co., Ltd.1001–5000 employees
Narikoma Food Co., Ltd.Women managers 16.3%
Kobeya Co., Ltd.Women managers 6.1%
Dydo Drinco Co., Ltd.Women managers 10.6%
Marine Food Co., Ltd.501–1000 employees
Yuha Co., Ltd.501–1000 employees

Every food, beverages & tobacco employer in Osaka →

Questions this page answers

What share of managers are women at Dia Co., Ltd.?: 38.9%, as reported to MHLW's women's-advancement database (as of December 2025).
What is the gender pay gap at Dia Co., Ltd.?: Women's average pay as a percentage of men's: 92.3% across all employees, 81.9% among regular employees, 100.0% among non-regular employees. This compares average pay, not pay for the same job.
How much overtime do employees at Dia Co., Ltd. work, and how much paid leave do they take?: Average overtime is 3.0 hours a month (median for the same industry and size: 13.7 hours), and employees take 60.0% of their paid leave (median: 73.5%), as reported to MHLW's women's-advancement database.
How long do employees stay at Dia Co., Ltd.?: Average tenure is 8.0 years for men and 4.0 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 includes

Source: 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.