Question 1

Is Omicron Sigma a tax-exempt 501(c)(3)?

Accepted Answer

Yes — Omicron Sigma is recognised by the IRS as a 501(c)(7) organisation (EIN 36-3662665). The IRS recognised Omicron Sigma as tax-exempt in October 1952.

Question 2

What is Omicron Sigma's EIN?

Accepted Answer

Omicron Sigma's Employer Identification Number (EIN) is 36-3662665. The EIN was assigned by the IRS in October 1952. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Omicron Sigma do?

Accepted Answer

Omicron Sigma is registered with the IRS as a uncategorized nonprofit organisation. A detailed mission statement is not available on its most recent Form 990 filing.

Question 4

Where is Omicron Sigma located?

Accepted Answer

Omicron Sigma is located at 5656 S STONY Island Ave, Chicago, IL, 60637-1906.

Question 5

When was Omicron Sigma founded or recognised by the IRS?

Accepted Answer

Omicron Sigma was recognised by the IRS as a tax-exempt organisation in October 1952. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Omicron Sigma's annual revenue?

Accepted Answer

Detailed Form 990 financials for Omicron Sigma are not currently available on this profile.

Question 7

Has Omicron Sigma been auto-revoked by the IRS?

Accepted Answer

No — Omicron Sigma (EIN 36-3662665) does not appear on the IRS Auto-Revocation List. Givalgo Discover cross-references the IRS Auto-Revocation List on every profile load; if status changes, this page reflects it.

Question 8

Is Omicron Sigma listed in IRS Publication 78?

Accepted Answer

Givalgo Discover did not find Omicron Sigma in the most recent IRS Publication 78 download. Some tax-exempt organisations (e.g., churches and government instrumentalities) are eligible to receive deductible contributions without appearing in Pub 78 — verify directly with the IRS if uncertain.

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Omicron Sigma

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