Nonprofit · EIN 37-0795706
INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS
Also known as 660
Tax-exempt · EAST ALTON, IL 62024
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $720,882 | $604,143 | $116,739 | $792,495 | $0 | $792,495 |
| December 31, 2024 | 990 | $705,536 | $681,855 | $23,681 | $684,517 | $0 | $684,517 |
| December 31, 2023 | 990 | $720,959 | $584,109 | $136,850 | $683,266 | $0 | $683,266 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $638,227
- Membership dues
- $638,227
- Program service revenue
- $0
- Investment income
- $32,365
- Other revenue
- $50,290
Expenses
- Grants and similar amounts paid
- $0
- Benefits paid to members
- $21,452
- Compensation of officers, directors and key employees
- $145,811
- Other salaries and wages
- $83,245
- Salaries, compensation and benefits (total)
- $387,134
- Professional fundraising fees
- $0
- Accounting fees
- $3,264
- Occupancy
- $36,222
Balance sheet and other
- Total assets, start of year
- $684,517
- Total assets, end of year
- $792,495
- Total liabilities, end of year
- $0
- Net assets, end of year
- $792,495
- Land, buildings and equipment
- $228,871
- Gross receipts
- $720,882
- Employees
- 23
- Volunteers
- 0
- Year formed
- 1933
- State of legal domicile
- IL
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| BERNARD WEBB | SECRETARY TREASURER Officer, Highest-paid employee | 40 | $134,209 |
| TIMOTHY OWENS | PRESIDENT Officer | 10 | $3,706 |
| KENNETH CHAVAREE | TRUSTEE Officer | 5 | $2,489 |
| KEVIN HOWARD | TRUSTEE Officer | 5 | $1,996 |
| REOBERT MASIERO | RECORDING SECRETARY Officer | 10 | $1,094 |
| DAVIS NICHOLE | CONDUCTOR SENTINEL Officer | 5 | $930 |
| ZACHARY BERTELS | VICE PRESIDENT Officer | 5 | $688 |
| TIMOTHY YOUNG | TRUSTEE Officer | 5 | $451 |
| MICHELLE WINDMILLER | PRESIDENT Key employee, Former | 10 | $248 |
990 for the year ended December 31, 2024: 9 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| BERNARD WEBB | SECRETARY TREASURER Officer | 40 | $132,620 |
| ZACHARY BERTELS | TRUSTEE Officer | 5 | $4,335 |
| TIMOTHY OWENS | VICE PRESIDENT Officer | 10 | $4,212 |
| MICHELLE WINDMILLER | PRESIDENT Officer | 10 | $3,553 |
| DARREN BIEMAN | TRUSTEE Former | 5 | $2,597 |
| KENNETH CHAVAREE | TRUSTEE Officer | 5 | $2,249 |
| REOBERT MASIERO | RECORDING SECRETARY Officer | 10 | $1,942 |
| TIMOTHY YOUNG | CONDUCTOR SENTINEL Officer | 5 | $1,194 |
| KEVIN HOWARD | TRUSTEE Officer | 5 | $80 |
990 for the year ended December 31, 2023: 8 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| Bernard D Webb | Secretary Treasurer Officer, Highest-paid employee | 45 | $127,129 | $2,786 |
| Michelle A Windmiller | President Officer | 5 | $3,206 | $4,003 |
| Robert A Masiero | Recording Secretary Officer | 8 | $1,183 | $2,421 |
| Zachary L Bertels | Trustee Officer | 5 | $2,154 | $222 |
| Darren Bierman | Trustee Officer | 5 | $2,224 | $118 |
| Lucas R Lenhardt | Vice President Officer | 5 | $1,094 | $800 |
| Timothy W Owens | Trustee Officer | 5 | $1,128 | $0 |
| Timothy J Young | Sentinel Conductor Officer | 5 | $370 | $0 |
Address and contacts
- Address (IRS master file)
- 161 N SHAMROCK ST, EAST ALTON, IL 62024-1149
- In care of
- % B DEAN WEBB
- Principal officer (990 for 2025)
- DEAN WEBB, 161 N SHAMROCK ST, EAST ALTON, IL 62024
- Signed the 990
- DEAN WEBB, SECRETARY TREASURER
- Phone
- (618) 259-8558
- Return prepared by
- IAMAW
Mission
FOR THE BETTERMENT OF WAGES, HOURS AND WORKING CONDITIONS
Program accomplishments
- FOR THE BETTERMENT OF WAGES, HOURS AND WORKING CONDITIONS
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 37-0795706
- Tax-exempt status
- 501(c)(5): Labor, agricultural or horticultural organization
- Donations deductible
- No
- Exempt since
- 1940
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $792,495
- Income (IRS master file)
- $720,882
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $720,882 | $604,143 | $792,495 | IRS |
| 990 | December 2024 | $705,536 | $681,855 | $684,517 | XML |
| 990 | December 2023 | $720,959 | $584,109 | $683,266 | XML |
| 990 | December 2022 | $660,576 | $589,852 | $522,457 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 37-0795706).
Questions about INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS
- What is the EIN of INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS?
- The employer identification number (EIN) of INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS is 37-0795706.
- Is INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(5) since 1940.
- Are donations to INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS?
- The 990 for the year ended December 31, 2025 names DEAN WEBB.
- Who are the officers and directors of INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS?
- The 990 for the year ended December 31, 2025 lists 9 people; 9 received compensation from the organization, the highest $134,209 (BERNARD WEBB, SECRETARY TREASURER).
- How much revenue does INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $720,882, expenses of $604,143 and total assets of $792,495 at year end.
Other nonprofits in EAST ALTON
- PLUMBERS & PIPEFITTERS HEALTH & WELFARE INSURANCE TRUST EIN 37-0695761 · last filed 990 for 2024
- UNITED ASSOCIATION OF JOURNEYMEN & APPRENTICES OF THE PLUMBING & PIPE EIN 37-0559348 · last filed 990 for 2024
- EAST ALTON CIVIC RINK MANAGEMENT INC EIN 37-1343859 · last filed 990 for 2024
- PLUMBERS & PIPEFITTERS JOURNEYMEN & APPRENTICESHIP TRGN FUND EIN 37-1030670 · last filed 990 for 2024
- ROSEWOOD HEIGHTS IMPROVEMENT ASSOCIATION EIN 37-6049819 · last filed 990 for 2025
- INTERNATIONAL BROTHERHOOD OF BOILERMAKERS IRON SHIP BUILDERS EIN 36-2906387 · last filed 990 for 2025
- MISSISSIPPI VALLEY HIGH SCHOOL CLUB ICE HOCKEY ASSOCIATION EIN 37-1348592 · last filed 990 for 2025
- PIASA FLYERS INC EIN 93-1546229 · last filed 990-EZ for 2025