International Association of Machinists & Aerospace Workers
Seattle, WA 98108 · IRS data through FY2024
Revenue, expenses and net assets
Revenue Expenses Net assets
| Tax year | Revenue | Expenses | Net assets |
|---|---|---|---|
| FY2024 | $39,064,560 | $44,185,225 | $52,993,276 |
| FY2023 | $43,148,928 | $38,880,496 | $56,177,177 |
| FY2022 | $26,658,361 | $29,371,547 | $51,908,745 |
| FY2021 | $38,798,242 | $26,583,589 | $54,621,931 |
| FY2020 | $33,930,281 | $30,630,626 | $42,407,278 |
| FY2019 | $36,693,693 | $29,959,759 | $39,107,623 |
| FY2018 | $33,551,763 | $28,116,297 | $32,374,662 |
| FY2017 | $30,201,066 | $28,163,080 | $26,925,081 |
| FY2016 | $30,556,398 | $29,070,528 | $24,902,874 |
| FY2015 | $159,993 | $143,958 | $283,017 |
| FY2014 | $30,119,054 | $28,283,778 | $20,359,342 |
| FY2013 | $29,324,856 | $27,549,016 | $18,524,066 |
| FY2012 | $28,391,032 | $26,842,296 | $16,748,226 |
| FY2011 | $27,080,156 | $24,202,261 | $15,199,490 |
Form 990 filings
The returns filed by International Association of Machinists & Aerospace Workers (EIN 91-0267919), 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 | $32,403,303 | 83% |
| Program service revenue | $3,526,979 | 9% |
| Other revenue | $3,134,278 | 8% |
What the numbers show
- Contributions & grants made up 83% of total revenue in FY2024.
- Net assets covered about 14.4 months of expenses at the end of the reporting year.
- Total revenue rose from $27,080,156 in FY2011 to $39,064,560 in FY2024. Revenue increased in 8 and decreased in 5 of 13 year-over-year comparisons.
- Expenses exceeded revenue in 2 of 14 reported years (FY2022, FY2024).
- The highest revenue on record here is $43,148,928 in FY2023.
- Net assets grew from $15,199,490 to $52,993,276 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
Our mission as a labor union is to organize, negotiate and service labor contracts in the aerospace industry to better working conditions, pay, and benefits. We also strive to create a better community in which we live where by the members of District 751 volunteer to help and support the needy.
IRS status
| Ruling year | 1940 |
| Subsection | 501(c)(5) |
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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