California · Nonprofit
Operating Engineers Local 501 Security Fund
Operating Engineers Local 501 Security Fund (California) receives grants from 1 organization whose IRS filings report $0 to it, the largest being OPERATING ENGINEERS NATIONAL CHARITY FUND ($0). 0 of them have funded it in more than one year.
- Revenue FY2025
- $64M
- Funders on record
- 1
- Grants received
- $0
- Net assets
- $117M
What Operating Engineers Local 501 Security Fund does
Mission
To provide health and welfare benefits for participants and their dependents.
As stated on its FY2025 Form 990.
Program
Provided health and welfare benefits for participants and their dependents.
The program described on its FY2024 Form 990.
The organization over time
Each line starts at 100 in 2017, so what you read is the shape rather than the size: 150 means half as much again as 2017, 50 means half. The number beside each label in the key is where it ended.
Balance sheet
Total assets and total liabilities at each year end, in dollars. The largest one-year move in total assets was 2023 to 2024, from $114M to $130M (+14%).
How it's funded, over time
Each bar is one year's revenue split into where it came from, and every bar is the same height — these are shares, not amounts, so a year that raised twice as much looks the same size. Hover a bar for the split.
Surplus & reserves
Operating surplus or deficit each year, and months of liquidity in hand. 1 of the last 9 reported years ran a deficit.
reserve
Leadership and staff
The officers, directors, trustees and key employees listed on each return. Joined and no longer listed compare each filing with the year before, matching people by surname and first initial; a year after a gap, or a roster under three people, has no comparison.
Board chair
Edward Curly
Chairman
As listed on its FY2025 Form 990.
Organizations like Operating Engineers Local 501 Security Fund
Organizations whose mission and program text most resemble this one, by semantic similarity over every organization in the US filings — the closest peers, and often the clearest route to shared or prospective funders.
In California
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Governance
Footprint & structure
Files a return copy in 1 state
Part of a family of 1 related entity
- International Union of Operating Enginee · exempt
Screen this organization
A dated, signed PDF of the compliance screen for Operating Engineers Local 501 Security Fund: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.
Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. Screen this nonprofit · How the screen works · on the API as GET /api/screening/{ein}?format=pdf
Questions and answers
- Who funds Operating Engineers Local 501 Security Fund?
- Operating Engineers Local 501 Security Fund (California) receives grants from 1 organization whose IRS filings report $0 to it, the largest being OPERATING ENGINEERS NATIONAL CHARITY FUND ($0). 0 of them have funded it in more than one year.
- How many funders does Operating Engineers Local 501 Security Fund have?
- IRS filings report 1 organization giving $0 in grants to Operating Engineers Local 501 Security Fund.
- Who is the largest funder of Operating Engineers Local 501 Security Fund?
- OPERATING ENGINEERS NATIONAL CHARITY FUND is the largest funder on record, with $0 in grants. The full list of funders is on this page.
- How can an organization like Operating Engineers Local 501 Security Fund find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in California. The funding by cause and by state pages list the largest funders for a given area and how to approach them.
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2017–2025), and the filings of 1 funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported October 14, 2026. What this page cannot tell you · view filing