Board of Trustees of National Iam B Enefit Trust Fund
Washington, DC 20003 · IRS data through FY2024
Revenue, expenses and net assets
Revenue Expenses Net assets
| Tax year | Revenue | Expenses | Net assets |
|---|---|---|---|
| FY2024 | $131,381,870 | $142,099,395 | $87,518,369 |
| FY2023 | $125,418,328 | $136,216,516 | $93,150,695 |
| FY2022 | $114,488,739 | $112,190,646 | $95,682,372 |
| FY2021 | $109,808,800 | $114,391,463 | $106,206,586 |
| FY2020 | $105,163,582 | $105,452,034 | $104,453,231 |
| FY2019 | $109,829,523 | $106,526,910 | $103,185,995 |
| FY2018 | $94,306,463 | $88,883,649 | $93,689,511 |
| FY2017 | $22,800,762 | $19,443,842 | $92,237,377 |
| FY2016 | $69,280,803 | $67,770,648 | $81,500,907 |
| FY2015 | $70,348,841 | $65,237,396 | $76,947,221 |
| FY2014 | $70,173,716 | $64,600,398 | $73,921,541 |
| FY2013 | $63,988,057 | $59,106,834 | $66,361,647 |
| FY2012 | $65,747,190 | $59,755,169 | $60,713,791 |
| FY2011 | $59,456,886 | $53,546,047 | $52,561,680 |
Form 990 filings
The returns filed by Board of Trustees of National Iam B Enefit Trust Fund (EIN 36-6562520), including Form 990 PDFs and e-file data by year, are available in ProPublica's Nonprofit Explorer. The figures on this page come from IRS data files built from those returns.
Where the revenue came from
| Source | Amount | % of revenue |
|---|---|---|
| Contributions & grants | $0 | 0% |
| Program service revenue | $129,333,326 | 98% |
| Other revenue | $2,048,544 | 2% |
What the numbers show
- Program service revenue made up 98% of total revenue in FY2024.
- Net assets covered about 7.4 months of expenses at the end of the reporting year.
- Total revenue rose from $59,456,886 in FY2011 to $131,381,870 in FY2024. Revenue increased in 9 and decreased in 4 of 13 year-over-year comparisons.
- Expenses exceeded revenue in 4 of 14 reported years (FY2020, FY2021, FY2023, FY2024).
- Net assets grew from $52,561,680 to $87,518,369 between FY2011 and FY2024.
Figures compared against other organizations of the same NTEE program area in the same state. See the methodology page for how these are calculated and the guide to reading nonprofit financials for their limits.
About this organization
TO PROVIDE HEALTH, WELFARE, VISION AND DENTAL BENEFITS TO ELIGIBILE PARTICIPANTS AND THEIR DEPENDENTS ESTABLISHED UNDER A COLLECTIVE BARGAINING AGREEMENT BETWEEN VARIOUS EMPLOYERS AND THE INTERNATIONAL ASSOCIATION OF MACHINISTS AND AEROSPACE WORKERS, AFL-CIO AND AFFILIATED IAM LOCAL AND IAM
IRS status
| Ruling year | 1975 |
| Subsection | 501(c)(9) |
Source: Internal Revenue Service — Exempt Organizations Business Master File (downloaded November 4, 2026), Statistics of Income extracts, Form 990 e-file data, Publication 78 and the Automatic Revocation list. Figures are as reported by the organization; IRS processing may adjust them. This is not a charity rating and not tax advice. Confirm deductibility in IRS Tax Exempt Organization Search.
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