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Nonprofit · EIN 20-5832111

STS FOUNDATION INC

Tax-exempt · PLAINFIELD, IL 60585

Financials

$14K$11K2023$11K$11K2024$24K$25K2025
Revenue Expenses · by fiscal year end
Financials of STS FOUNDATION INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$24,432$24,748-$316$8,087$0$8,087
December 31, 2024990-PF$10,927$10,770$157$8,403$0$8,403
December 31, 2023990-PF$14,153$11,256$2,897$8,246$0$8,246
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$24,432

Expenses

Grants and similar amounts paid
$24,578
Compensation of officers, directors and key employees
$0
Salaries, compensation and benefits (total)
$0
Disbursements for charitable purposes
$24,578

Balance sheet and other

Total assets, start of year
$8,403
Total assets, end of year
$8,087
Total liabilities, end of year
$0
Net assets, end of year
$8,087
Qualifying distributions
$24,578

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-PF for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
Dr Mohammed Safiuddin
11974 Winterberry Lane, Plainfiled, Plainfield, IL 60585
Director4$0
Mrs Zubeda Safiuddin
11974 Winterberry Lane, Plainfiled, Plainfield, IL 60585
Director1$0
Ms Shehnaz Safiuddin
1911 Norwich Lane, Bolingbrook, IL 60490
Director2$0
990-PF for the year ended December 31, 2024: 3 people
NameTitleHours / weekCompensation
Dr Mohammed Safiuddin
11974 Winterberry Lane, Plainfiled, Plainfield, IL 60585
Director1$0
Mrs Zubeda Safiuddin
11974 Winterberry Lane, Plainfiled, Plainfield, IL 60585
Director1$0
Ms Shehnaz Safiuddin
1911 Norwich Lane, Bolingbrook, IL 60490
Director1$0
990-PF for the year ended December 31, 2023: 3 people
NameTitleHours / weekCompensation
Dr Mohammed Safiuddin
11974 Winterberry Lane, Plainfiled, Plainfield, IL 60585
Director1$0
Mrs Zubeda Safiuddin
11974 Winterberry Lane, Plainfiled, Plainfield, IL 60585
Director1$0
Ms Shehnaz Safiuddin
1911 Norwich Lane, Bolingbrook, IL 60490
Director1$0

Address and contacts

Address (IRS master file)
11974 WINTERBERRY LN, PLAINFIELD, IL 60585-5683
In care of
% MOHAMMED SAFIUDDIN
Signed the 990-PF
Mohammed Safiuddin, STS International Univ. at Buffalo
Phone
(716) 432-1123

What it must file and when

IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-PF on file
2024December 31, 2024May 15, 2025990-PF on file
2023December 31, 2023May 15, 2024990-PF on file

IRS record

EIN
20-5832111
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Private non-operating foundation
Donations deductible (Pub 78)
Private foundation, 30% limit
Exempt since
2007
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$8,087
Income (IRS master file)
$24,432

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$24,432$24,748$8,087IRS
990-PFDecember 2024$10,927$10,770$8,403IRS
990-PFDecember 2023$14,153$11,256$8,246XML
990-PFDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-PFDecember 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 20-5832111).

Questions about STS FOUNDATION INC

What is the EIN of STS FOUNDATION INC?
The employer identification number (EIN) of STS FOUNDATION INC is 20-5832111.
Is STS FOUNDATION INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2007.
Are donations to STS FOUNDATION INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does STS FOUNDATION INC file?
Form 990-PF. Private foundations file every year.
When is the next return of STS FOUNDATION INC 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 STS FOUNDATION INC last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended December 2025.
Who are the officers and directors of STS FOUNDATION INC?
The 990-PF for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
How much revenue does STS FOUNDATION INC have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $24,432, expenses of $24,748 and total assets of $8,087 at year end.

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