Mission
THE UNION REPRESENTS ITS MEMBERS AND THE SERVICES PROVIDED TO THE MEMBERSHIP INCLUDE ARBITRATION, ORGANIZATION, AND NEGOTIATION AND IMPLEMENTATION OF COLLECTIVE BARGAINING AGREEMENTS.
INTERNATIONAL UNION OF OPERATING ENGINEERS LOCAL NO 399 is a Public Charity headquartered in CHICAGO, IL. Financial data from the 2025 filing: $14.0M revenue, $12.0M expenses, $24.6M total assets. IRS filings disclose 45 grants awarded by this foundation, totaling roughly $843K.
THE UNION REPRESENTS ITS MEMBERS AND THE SERVICES PROVIDED TO THE MEMBERSHIP INCLUDE ARBITRATION, ORGANIZATION, AND NEGOTIATION AND IMPLEMENTATION OF COLLECTIVE BARGAINING AGREEMENTS.
Showing up to 5 of 45 total records — full history available with membership.
Officer compensation and complete director data available with membership.
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $14.0M | $12.0M | $24.6M |
| 2024 | $13.2M | $12.1M | $22.6M |
| 2023 | $11.7M | $11.1M | $21.7M |
| 2022 | $10.5M | $10.0M | $20.8M |
| 2021 | $9.8M | $9.2M | $20.3M |
Between 2021 and 2025, reported annual revenue grew from $9.8M to $14.0M (+42%), with total assets most recently reported at $24.6M.
Interactive year-over-year charts and full filing details available with membership.
Grants from this foundation were reported to recipients in DC, IL, NY.
Full geographic grant map with state-by-state breakdown available with membership.