Nonprofit · EIN 91-2119632
SOCIETY OF TRIBOLOGISTS & LUBRICATION ENGINEERS
Also known as STLE CHICAGO
Tax-exempt · PARK RIDGE, IL 60068
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990-EZ | $65,877 | $54,358 | $11,519 | $97,823 | $0 | $97,823 |
| June 30, 2024 | 990-EZ | $64,590 | $48,773 | $15,817 | $86,304 | $0 | $86,304 |
| June 30, 2023 | 990-EZ | $64,584 | $73,575 | -$8,991 | $70,487 | $0 | $70,487 |
Financial details: 990-EZ for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $44,256
- Program service revenue
- $18,952
- Net income from fundraising events
- -$752
- Other revenue
- $3,421
Expenses
- Grants and similar amounts paid
- $1,500
- Compensation of officers, directors and key employees
- $0
- Printing, publications and postage
- $23,114
- Other expenses
- $29,744
- Program services (functional)
- $48,672
Balance sheet and other
- Total assets, start of year
- $86,304
- Total assets, end of year
- $97,823
- Total liabilities, end of year
- $0
- Net assets, end of year
- $97,823
- Cash, savings and investments
- $97,823
- Gross receipts
- $75,312
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 June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MARY CUTTILL-NIELSEN | CHAIR | 2 | $0 |
| CLAYTON S COOPER | PAST CHAIR | 2 | $0 |
| NICOLE CLARKSON | VICE CHAIR | 2 | $0 |
| ANDREW SCHIFFER | SECRETARY/TREASURER | 2 | $0 |
| PATRICK EUGENE BRUTTO | COMMITTEE MEMBER | 2 | $0 |
| KAREN MAUREEN HARRINGTON | COMMITTEE MEMBER | 2 | $0 |
| JUSTIN KAVANAGH | COMMITTEE MEMBER | 2 | $0 |
| ERIN KERR | COMMITTEE MEMBER | 2 | $0 |
| ALEXES MORGAN | COMMITTEE MEMBER | 2 | $0 |
| KEN PELCZARSKI | COMMITTEE MEMBER | 2 | $0 |
| KEVIN A SAUNDERSON | COMMITTEE MEMBER | 2 | $0 |
990-EZ for the year ended June 30, 2024: 7 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CLAYTON S COOPER | CHAIR | 2 | $0 |
| MARY CUTTILL-NIELSEN | VICE CHAIR | 2 | $0 |
| NICOLE CLARKSON | SECRETARY/TREASURER | 2 | $0 |
| ANDREW SCHIFFER | COMMITTEE MEMBER | 2 | $0 |
| NA LIU | COMMITTEE MEMBER | 2 | $0 |
| CURT ELLISON | COMMITTEE MEMBER | 2 | $0 |
| MIKE BRUNER | COMMITTEE MEMBER | 2 | $0 |
990-EZ for the year ended June 30, 2023: 8 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CLAYTON COOPER | CHAIR | 2 | $0 |
| TJ HAAS | PAST CHAIR | 2 | $0 |
| MARY CUTTILL-NIELSEN | VICE CHAIR | 2 | $0 |
| NICOLE CLARKSON | SECRETARY/TREASURER | 2 | $0 |
| MIKE BRUNER | COMMITTEE MEMBER | 2 | $0 |
| CURT ELLISON | COMMITTEE MEMBER | 2 | $0 |
| ANDREW SCHIFFER | COMMITTEE MEMBER | 2 | $0 |
| NA LIU | COMMITTEE MEMBER | 2 | $0 |
Address and contacts
- Address (IRS master file)
- 840 BUSSE HWY, PARK RIDGE, IL 60068-2302
- In care of
- % SELIM M ERHAN
- Mailing address (990-N for 2018)
- 840 Busse Highway, Park Ridge IL 60068
- Principal officer (990-N for 2018)
- Michael Bruner, 840 Busse Highway, Park Ridge IL 60068
- Signed the 990-EZ
- REBECCA LINTOW, EXECUTIVE DIRECTOR
- Phone
- (847) 825-5536
- Return prepared by
- SELDEN FOX LTD
Mission
TO ADVANCE THE SCIENCE OF TRIBOLOGY AND THE PRACTICE OF LUBRICATION ENGINEERING IN ORDER TO FOSTER INNOVATION, IMPROVE THE PERFORMANCE OF EQUIPMENT AND PRODUCTS, CONSERVE RESOURCES AND PROTECT THE ENVIRONMENT.
Program accomplishments
- THE CHICAGO SECTION PROVIDES EDUCATION TO MEMBERS AND NON-MEMBERS IN THE FIELD OF LUBRICATION ENGINEERING THROUGH MONTHLY AND QUARTERLY PERIODICALS, RESEARCH PUBLICATIONS, CONFERENCES AND SCHOLARSHIPS.Expenses $48,672 · grants $1,500
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 June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990-EZ on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990-EZ on file |
IRS record
- EIN
- 91-2119632
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Exempt since
- 2001
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Education (B033)
- Group exemption
- 3722: SOCIETY OF TRIBOLOGISTS & LUBRICATION ENGINEERS
- Assets (IRS master file)
- $97,823
- Income (IRS master file)
- $75,312
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | June 2025 | $65,877 | $54,358 | $97,823 | XML |
| 990-EZ | June 2024 | $64,590 | $48,773 | $86,304 | XML |
| 990-EZ | June 2023 | $64,584 | $73,575 | $70,487 | XML |
| 990-EZ | June 2022 | – | – | – | IRS |
| 990-EZ | June 2021 | – | – | – | IRS |
| 990-EZ | June 2020 | – | – | – | IRS |
| 990-N for 2018 Officer: Michael Bruner | June 30, 2019 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-EZ | June 2019 | – | – | – | IRS |
| 990-EZ | June 2018 | – | – | – | 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 91-2119632).
Questions about SOCIETY OF TRIBOLOGISTS & LUBRICATION ENGINEERS
- What is the EIN of SOCIETY OF TRIBOLOGISTS & LUBRICATION ENGINEERS?
- The employer identification number (EIN) of SOCIETY OF TRIBOLOGISTS & LUBRICATION ENGINEERS is 91-2119632.
- Is SOCIETY OF TRIBOLOGISTS & LUBRICATION ENGINEERS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2001.
- Which annual return does SOCIETY OF TRIBOLOGISTS & LUBRICATION ENGINEERS 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 SOCIETY OF TRIBOLOGISTS & LUBRICATION ENGINEERS due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did SOCIETY OF TRIBOLOGISTS & LUBRICATION ENGINEERS last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended June 2025.
- Who is the principal officer of SOCIETY OF TRIBOLOGISTS & LUBRICATION ENGINEERS?
- The 990-N for 2018 names Michael Bruner.
- Who are the officers and directors of SOCIETY OF TRIBOLOGISTS & LUBRICATION ENGINEERS?
- The 990-EZ for the year ended June 30, 2025 lists 11 people; 0 received compensation from the organization.
- How much revenue does SOCIETY OF TRIBOLOGISTS & LUBRICATION ENGINEERS have?
- On its 990-EZ for the year ended June 30, 2025 it reported revenue of $65,877, expenses of $54,358 and total assets of $97,823 at year end.
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