Tax-exempt organization ยท Files a Form 5500
INTERNATIONAL UNION OF OPERATING ENGINEERS LOCAL 399
Also filed as TRUSTEES OF IUOE LOCAL 399 HEALTH AND WELFARE TRUST
2260 S GROVE ST, CHICAGO, IL 60616-1823
EIN
36-6198426
Tax-exempt status
501(c)(9) voluntary employees' beneficiary association
IRS · 2026-09
Deductibility
Contributions are not deductible
IRS · 2026-09
IRS ruling date
1994-04
IRS · 2026-09
Latest tax period on file
2025-05
IRS · 2026-09
Revenue (latest 990)
$89,928,420
IRS · 2026-09
Assets (latest 990)
$111,469,779
IRS · 2026-09
Benefit plan 501, 2024 filing
IUOE LOCAL 399 HEALTH AND WELFARE TRUST
DOL · 2026-02-27
Participants (start of year)
5,259
DOL · 2026-02-27
Plan features
code 4A4B4D4E4F
DOL · 2026-02-27
Plan type
Multiemployer plan
DOL · 2026-02-27
Business code (NAICS)
238900
DOL · 2026-02-27
Benefit plan 501, 2023 filing
IUOE LOCAL 399 HEALTH AND WELFARE TRUST
DOL · 2025-03-08
Participants (start of year)
5,114
DOL · 2025-03-08
Plan features
code 4A4B4D4E4F
DOL · 2025-03-08