Nonprofit · EIN 36-2041016
SOCIETY OF TRIBOLOGISTS & LUBRICATION ENGINEERS
Tax-exempt · PARK RIDGE, IL 60068
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $3,391,609 | $3,183,583 | $208,026 | $5,547,859 | $1,092,867 | $4,454,992 |
| June 30, 2024 | 990 | $3,454,837 | $3,403,061 | $51,776 | $4,946,957 | $967,537 | $3,979,420 |
| June 30, 2023 | 990 | $3,325,061 | $3,321,745 | $3,316 | $4,612,331 | $730,716 | $3,881,615 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $23,313
- Program service revenue
- $2,873,025
- Investment income
- $136,159
- Net gain from sales of assets
- $18,201
- Net income from sales of inventory
- $2,768
- Other revenue
- $359,112
Expenses
- Grants and similar amounts paid
- $19,800
- Compensation of officers, directors and key employees
- $202,415
- Other salaries and wages
- $707,397
- Salaries, compensation and benefits (total)
- $1,171,293
- Professional fundraising fees
- $0
- Legal fees
- $13,862
- Accounting fees
- $90,051
- Occupancy
- $77,897
- Travel
- $4,043
- Depreciation
- $35,435
- Program services (functional)
- $2,670,233
- Management and general (functional)
- $513,350
Balance sheet and other
- Total assets, start of year
- $4,946,957
- Total assets, end of year
- $5,547,859
- Total liabilities, end of year
- $1,092,867
- Net assets, end of year
- $4,454,992
- Land, buildings and equipment
- $421,920
- Publicly traded securities
- $3,932,944
- Net assets without donor restrictions
- $4,454,992
- Gross unrelated business income
- $712,798
- Gross receipts
- $3,649,061
- Employees
- 11
- Volunteers
- 250
- Year formed
- 1944
- 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 June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| REBECCA LINTOW | EXECUTIVE DIRECTOR Officer | 40 | $165,440 | $27,910 |
| KEVIN DELANEY | PRESIDENT Trustee or director, Officer | 2 | $0 | $0 |
| STEFFFEN BOTTS | VICE PRESIDENT Trustee or director, Officer | 2 | $0 | $0 |
| PETER LEE | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| BILL ANDERSON | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| JOHN MCKENNA | IMMEDIATE PAST PRESIDENT Trustee or director, Officer | 2 | $0 | $0 |
| NICK ARGIBAY | DIRECTOR Trustee or director | 2 | $0 | $0 |
| VASU BALA | DIRECTOR Trustee or director | 2 | $0 | $0 |
| HONG GAO | DIRECTOR Trustee or director | 2 | $0 | $0 |
| HANNES GRILLENBERGER | DIRECTOR Trustee or director | 2 | $0 | $0 |
| ELAINE HEPLEY | DIRECTOR Trustee or director | 2 | $0 | $0 |
| MITJAN KALIN | DIRECTOR Trustee or director | 2 | $0 | $0 |
| KHALID MALIK | DIRECTOR Trustee or director | 2 | $0 | $0 |
| LARISA MARMERSTEIN | DIRECTOR Trustee or director | 2 | $0 | $0 |
| MANDI MCELWAIN | DIRECTOR Trustee or director | 2 | $0 | $0 |
9 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KULDEEP MISTRY | DIRECTOR Trustee or director | 2 | $0 |
| RAMOUN MOURHATCH | DIRECTOR Trustee or director | 2 | $0 |
| JASON PAPACEK | DIRECTOR Trustee or director | 2 | $0 |
| JUN QU | DIRECTOR Trustee or director | 2 | $0 |
| DOUGLAS SACKETT | DIRECTOR Trustee or director | 2 | $0 |
| KEVIN SAUNDERSON | DIRECTOR Trustee or director | 2 | $0 |
| JOSEPH SCHULTZ | DIRECTOR Trustee or director | 2 | $0 |
| DAIRENE UY | DIRECTOR Trustee or director | 2 | $0 |
| WENYANG ZHANG | DIRECTOR Trustee or director | 2 | $0 |
990 for the year ended June 30, 2024: 28 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| EDWARD P SALEK | EXECUTIVE DIRECTOR THROUGH DECEMBER 2023 Officer | 40 | $215,373 | $22,505 |
| REBECCA LINTOW | EXECUTIVE DIRECTOR STARTING JANUARY 2024 Officer | 40 | $113,659 | $31,259 |
| HONG LIANG | PRESIDENT Trustee or director, Officer | 2 | $0 | $0 |
| JACK MCKENNA | VICE PRESIDENT Trustee or director, Officer | 2 | $0 | $0 |
| STEFFFEN BOTTS | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| KEVIN DELANEY | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| RYAN EVANS | IMMEDIATE PAST PRESIDENT Trustee or director, Officer | 2 | $0 | $0 |
| BILL ANDERSON | DIRECTOR Trustee or director | 2 | $0 | $0 |
| FARRUKH QURESHI | DIRECTOR Trustee or director | 2 | $0 | $0 |
| ANGELA PITENIS | DIRECTOR Trustee or director | 2 | $0 | $0 |
| KULDEEP MISTRY | DIRECTOR Trustee or director | 2 | $0 | $0 |
| RAJ SHAH | DIRECTOR Trustee or director | 2 | $0 | $0 |
| KAREN HARRINGTON | DIRECTOR Trustee or director | 2 | $0 | $0 |
| PETER LEE | DIRECTOR Trustee or director | 2 | $0 | $0 |
| DOUG SACKETT | DIRECTOR Trustee or director | 2 | $0 | $0 |
| KHALID MALIK | DIRECTOR Trustee or director | 2 | $0 | $0 |
| AARON GRECO | DIRECTOR Trustee or director | 2 | $0 | $0 |
| JASON PAPACEK | DIRECTOR Trustee or director | 2 | $0 | $0 |
| MANDI MCELWAIN | DIRECTOR Trustee or director | 2 | $0 | $0 |
| BRIAN HOLTKAMP | DIRECTOR Trustee or director | 2 | $0 | $0 |
| NICK ARGIBAY | DIRECTOR Trustee or director | 2 | $0 | $0 |
| DAVID TURNER | DIRECTOR Trustee or director | 2 | $0 | $0 |
| JOHN BOMIDI | DIRECTOR Trustee or director | 2 | $0 | $0 |
| RAMOUN MOURHATCH | DIRECTOR Trustee or director | 2 | $0 | $0 |
| VASU BALA | DIRECTOR Trustee or director | 2 | $0 | $0 |
| HANNES GRILLENBERGER | DIRECTOR Trustee or director | 2 | $0 | $0 |
| ELAINE HEPLEY | DIRECTOR Trustee or director | 2 | $0 | $0 |
| DAIRENE UY | DIRECTOR Trustee or director | 2 | $0 | $0 |
990 for the year ended June 30, 2023: 24 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| EDWARD P SALEK | EXECUTIVE DIRECTOR Officer | 40 | $229,826 | $27,919 |
| RYAN EVANS | PRESIDENT Trustee or director, Officer | 2 | $0 | $0 |
| HONG LIANG | VICE PRESIDENT Trustee or director, Officer | 2 | $0 | $0 |
| KEVIN DELANEY | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| JACK MCKENNA | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| KEN HOPE | IMMEDIATE PAST PRESIDENT Trustee or director, Officer | 2 | $0 | $0 |
| WILLIAM ANDERSON | DIRECTOR Trustee or director | 2 | $0 | $0 |
| NICOLAS ARGIBAY | DIRECTOR Trustee or director | 2 | $0 | $0 |
| JOHN BOMIDI | DIRECTOR Trustee or director | 2 | $0 | $0 |
| STEFFEN BOTS | DIRECTOR Trustee or director | 2 | $0 | $0 |
| AARON GRECO | DIRECTOR Trustee or director | 2 | $0 | $0 |
| KAREN MAUREEN HARRINGTON | DIRECTOR Trustee or director | 2 | $0 | $0 |
| BRIAN HOLTKAMP | DIRECTOR Trustee or director | 2 | $0 | $0 |
| PETER LEE | DIRECTOR Trustee or director | 2 | $0 | $0 |
| KHALID MALIK | DIRECTOR Trustee or director | 2 | $0 | $0 |
| MANDI JO MCELWAIN | DIRECTOR Trustee or director | 2 | $0 | $0 |
| KULDEEP KISHORE MISTRY | DIRECTOR Trustee or director | 2 | $0 | $0 |
| RAMOUN MOURHATCH | DIRECTOR Trustee or director | 2 | $0 | $0 |
| JASON PAPACEK | DIRECTOR Trustee or director | 2 | $0 | $0 |
| ANGELA PITENIS | DIRECTOR Trustee or director | 2 | $0 | $0 |
| FARRUKH S QURESHI | DIRECTOR Trustee or director | 2 | $0 | $0 |
| DOUG SACKETT | DIRECTOR Trustee or director | 2 | $0 | $0 |
| RAJESH SHAH | DIRECTOR Trustee or director | 2 | $0 | $0 |
| DAVID TURNER | DIRECTOR Trustee or director | 2 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 840 BUSSE HWY, PARK RIDGE, IL 60068-2302
- Principal officer (990 for 2024)
- REBECCA LINTOW, 840 BUSSE HIGHWAY, PARK RIDGE, IL 600682376
- Signed the 990
- REBECCA LINTOW, EXECUTIVE DIRECTOR
- Phone
- (847) 825-5536
- Website
- WWW.STLE.ORG
- 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 SOCIETY PROVIDES EDUCATION TO MEMBERS AND NON-MEMBERS IN THE FIELD OF LUBRICATION ENGINEERING THROUGH MONTHLY AND QUARTERLY PERIODICALS, RESEARCH PUBLICATIONS AND ANNUAL CONFERENCES.Expenses $2,670,233 · grants $19,800 · revenue $2,519,339
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 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 36-2041016
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Group exemption
- Exempt since
- 2001
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Science and technology (U99C)
- Group exemption
- 3722 (4 member organizations)
- Assets (IRS master file)
- $5,547,859
- Income (IRS master file)
- $3,649,061
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $3,391,609 | $3,183,583 | $5,547,859 | XML |
| 990-T | June 2025 | – | – | – | IRS |
| 990 | June 2024 | $3,454,837 | $3,403,061 | $4,946,957 | XML |
| 990-T | June 2024 | – | – | – | IRS |
| 990 | June 2023 | $3,325,061 | $3,321,745 | $4,612,331 | XML |
| 990-T | June 2023 | – | – | – | IRS |
| 990 | June 2022 | $3,526,860 | $3,094,346 | $4,582,639 | IRS |
| 990-T | June 2022 | – | – | – | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990-T | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
| 990 | June 2019 | – | – | – | IRS |
| 990 | 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 36-2041016).
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 36-2041016.
- Is SOCIETY OF TRIBOLOGISTS & LUBRICATION ENGINEERS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2001.
- Are donations to SOCIETY OF TRIBOLOGISTS & LUBRICATION ENGINEERS tax-deductible?
- Yes. It is listed in IRS Publication 78 (Group exemption).
- 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 for the year ended June 2025.
- Who is the principal officer of SOCIETY OF TRIBOLOGISTS & LUBRICATION ENGINEERS?
- The 990 for the year ended June 30, 2025 names REBECCA LINTOW.
- Who are the officers and directors of SOCIETY OF TRIBOLOGISTS & LUBRICATION ENGINEERS?
- The 990 for the year ended June 30, 2025 lists 24 people; 1 received compensation from the organization, the highest $165,440 (REBECCA LINTOW, EXECUTIVE DIRECTOR).
- How much revenue does SOCIETY OF TRIBOLOGISTS & LUBRICATION ENGINEERS have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $3,391,609, expenses of $3,183,583 and total assets of $5,547,859 at year end.
Organizations in its group exemption (4)
- SOCIETY OF TRIBOLOGISTS & LUBRICATION ENGINEERS EIN 91-2119632 · PARK RIDGE, IL · last filed 990-EZ for 2025
Other nonprofits in PARK RIDGE
- TEAMSTERS LOCAL UNION NO 727 HEALTH AND WELFARE FUND EIN 36-6069119 · last filed 990 for 2025
- MILLION DOLLAR ROUND TABLE EIN 36-2138427 · last filed 990 for 2024
- AMERICAN SOCIETY OF SAFETY PROFESSIONALS EIN 36-2413556 · last filed 990 for 2025
- PARK RIDGE COUNTRY CLUB EIN 36-1599820 · last filed 990 for 2025
- AVENUES TO INDEPENDENCE EIN 36-6008710 · last filed 990 for 2025
- MDRT ACADEMY EIN 81-4966111 · last filed 990 for 2024
- INTERNATIONAL BROTHERHOOD OF TEAMSTERS EIN 36-0759640 · last filed 990 for 2025
- TEAMSTERS LOCAL UNION NO 727 LEGAL ASSISTANCE TRUST FUND EIN 36-3429967 · last filed 990 for 2025
All nonprofits in PARK RIDGE · Illinois · Science and technology