Nonprofit · EIN 33-1145705
INTERNATIONAL SOCIETY FOR MICROPILES
Tax-exempt (reinstated) · EIGHTY FOUR, PA 15330
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $176,988 | $167,210 | $9,778 | $98,658 | – | $98,658 |
| December 31, 2024 | 990-EZ | $17,377 | $22,202 | -$4,825 | $90,685 | $175 | $90,510 |
| December 31, 2023 | 990-EZ | $168,222 | $106,223 | $61,999 | $95,354 | $19 | $95,335 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Membership dues
- $12,750
- Other revenue
- $164,238
Expenses
- Compensation of officers, directors and key employees
- $0
- Professional fees and payments to contractors
- $15,086
- Other expenses
- $152,124
Balance sheet and other
- Total assets, start of year
- $90,685
- Total assets, end of year
- $98,658
- Total liabilities, end of year
- –
- Net assets, end of year
- $98,658
- Cash, savings and investments
- $95,158
- Gross receipts
- $176,988
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-EZ for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MARY ELLEN BRUCE | PRESIDENT/TREASURER | 0 | $0 |
| ALLAN HERSE | CHAIR | 0 | $0 |
| NATALIA MACA | VICE CHAIR | 0 | $0 |
| DAN MACLEAN | IMMEDIATE PAST CHAIR | 0 | $0 |
| DONALD BRUCE | HONORARY CHAIR | 0 | $0 |
| NADIR ANSARI | BOARD ADVISOR | 0 | $0 |
| ANDREAS BRANDNER | BOARD ADVISOR | 0 | $0 |
| ALLEN CADDEN | BOARD ADVISOR | 0 | $0 |
| BJORN ISCHEBECK | BOARD ADVISOR | 0 | $0 |
| FREDDY LOPEZ | BOARD ADVISOR | 0 | $0 |
990-EZ for the year ended December 31, 2024: 10 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Mary Ellen Bruce | PresidentTreasurer | 0 | $0 |
| Allan Herse | Chair | 0 | $0 |
| Natalia Maca | Vice Chair | 0 | $0 |
| Dan MacLean | Immediate Past Chair | 0 | $0 |
| Donald Bruce | Honorary Chair | 0 | $0 |
| Nadir Ansari | Board Advisor | 0 | $0 |
| Andreas Brandner | Board Advisor | 0 | $0 |
| Allen Cadden | Board Advisor | 0 | $0 |
| Bjorn Ischebeck | Board Advisor | 0 | $0 |
| Freddy Lopez | Board Advisor | 0 | $0 |
990-EZ for the year ended December 31, 2023: 1 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Mary Ellen Bruce | PresidentTreasurer | 0 | $0 |
Address and contacts
- Address (IRS master file)
- 484 ROSS RD, EIGHTY FOUR, PA 15330-2804
- In care of
- % MARY ELLEN BRUCE
- Mailing address (990-N for 2022)
- 484 Ross Road, Eighty Four PA 15330
- Principal officer (990-N for 2022)
- Mary Ellen Bruce, 484 Ross Road, Eighty Four PA 15330
- Signed the 990-EZ
- MARY ELLEN BRUCE, PRESIDENT
- Phone
- (412) 997-4829
- Return prepared by
- DJC Accounting Inc
Mission
To support micropile technology
Program accomplishments
- TO SUPPORT AND FOSTER AN ENVIRONMENT WHERE EXPERIENCED PROFESSIONALS MENTOR NEWCOMERS AND ADVANCE MICROPILE TECHNOLOGY
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-EZ on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-EZ on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-EZ on file |
IRS record
- EIN
- 33-1145705
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2022
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Science and technology (U40)
- Assets (IRS master file)
- $98,658
- Income (IRS master file)
- $176,988
Revocation and reinstatement
- Exemption revoked
- May 15, 2021
- Posted by the IRS
- August 9, 2021
- Reinstated
- Effective May 15, 2021
From the IRS automatic revocation list: organizations that did not file a required return or e-Postcard for three consecutive years.
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $176,988 | $167,210 | $98,658 | XML |
| 990-EZ | December 2024 | $17,377 | $22,202 | $90,685 | IRS |
| 990-EZ | December 2023 | $168,222 | $106,223 | $95,354 | XML |
| 990-N for 2022 Officer: Mary Ellen Bruce | December 31, 2022 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2017 Officer: Mary Ellen Bruce | December 31, 2017 | ≤ $50,000 receipts | – | – | e-Postcard |
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 33-1145705).
Questions about INTERNATIONAL SOCIETY FOR MICROPILES
- What is the EIN of INTERNATIONAL SOCIETY FOR MICROPILES?
- The employer identification number (EIN) of INTERNATIONAL SOCIETY FOR MICROPILES is 33-1145705.
- Is INTERNATIONAL SOCIETY FOR MICROPILES tax-exempt?
- Yes. The IRS revoked its exemption on May 15, 2021 and reinstated it effective May 15, 2021.
- Are donations to INTERNATIONAL SOCIETY FOR MICROPILES tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does INTERNATIONAL SOCIETY FOR MICROPILES 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 SOCIETY FOR MICROPILES 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 SOCIETY FOR MICROPILES last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
- Who is the principal officer of INTERNATIONAL SOCIETY FOR MICROPILES?
- The 990-N for 2022 names Mary Ellen Bruce.
- Who are the officers and directors of INTERNATIONAL SOCIETY FOR MICROPILES?
- The 990-EZ for the year ended December 31, 2025 lists 10 people; 0 received compensation from the organization.
- How much revenue does INTERNATIONAL SOCIETY FOR MICROPILES have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $176,988, expenses of $167,210 and total assets of $98,658 at year end.
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