Tax-exempt organization ยท Files a Form 5500
OPERATING ENG LOCAL 66 WELFARE FUND
Also filed as BD OF TRUSTEES OPERATING ENGINEERS LOCAL 66 WELFARE FUND
111 ZETA DR, PITTSBURGH, PA 15238-2811
EIN
25-1187299
Tax-exempt status
501(c)(9) voluntary employees' beneficiary association
IRS · 2026-09
Deductibility
Contributions are not deductible
IRS · 2026-09
IRS ruling date
1968-10
IRS · 2026-09
Latest tax period on file
2025-12
IRS · 2026-09
Revenue (latest 990)
$83,049,313
IRS · 2026-09
Assets (latest 990)
$317,348,777
IRS · 2026-09
Benefit plan 501, 2024 filing
OPERATING ENGINEERS LOCAL 66 WELFARE FUND
DOL · 2025-07-08
Participants (start of year)
4,662
DOL · 2025-07-08
Plan features
code 4A4E4F4L4Q
DOL · 2025-07-08
Plan type
Multiemployer plan
DOL · 2025-07-08
Business code (NAICS)
238900
DOL · 2025-07-08
Benefit plan 501, 2023 filing
OPERATING ENGINEERS LOCAL 66 WELFARE FUND
DOL · 2024-07-29
Participants (start of year)
4,771
DOL · 2024-07-29
Plan features
code 4A4E4F4L4Q
DOL · 2024-07-29