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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 45-3789941

SIGMA SIGMA SIGMA INC

Also known as CHICAGO NW SUBURBAN ALUMNAE CHAPTER

Tax-exempt · PALATINE, IL 60067

Address and contacts

Address (IRS master file)
534 S BENNETT AVE, PALATINE, IL 60067-6704
In care of
% JEANNE CHAMBERLAIN
Mailing address (990-N for 2024)
534 S Bennett Ave, Palatine IL 60067
Principal officer (990-N for 2024)
Karrie K Benjamin, 534 S Bennett Ave, Palatine IL 60067

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025990-N on file
2023June 30, 2024November 15, 2024No data

File the 2025 990-N for SIGMA SIGMA SIGMA INC

Due November 16, 2026 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
45-3789941
Tax-exempt status
501(c)(7): Social or recreational club
Donations deductible
No
Exempt since
1943
Accounting year ends
June
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Karrie K Benjamin
June 30, 2025≤ $50,000 receipts––e-Postcard

990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 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.

Questions about SIGMA SIGMA SIGMA INC

What is the EIN of SIGMA SIGMA SIGMA INC?
The employer identification number (EIN) of SIGMA SIGMA SIGMA INC is 45-3789941.
Is SIGMA SIGMA SIGMA INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(7) since 1943.
Are donations to SIGMA SIGMA SIGMA INC tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does SIGMA SIGMA SIGMA INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SIGMA SIGMA SIGMA INC 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 SIGMA SIGMA SIGMA INC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended June 30, 2025.
Who is the principal officer of SIGMA SIGMA SIGMA INC?
The 990-N for 2024 names Karrie K Benjamin.

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