Skip to main content
IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 13-1767038

ILLUMINATING ENGINEERING SOCIETY

Tax-exempt · NEW YORK, NY 10004

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 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, 2026Not on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

File the 2025 990-EZ for ILLUMINATING ENGINEERING SOCIETY

Due May 15, 2026 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
13-1767038
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
1991
Accounting year ends
December
Files
Form 990 or 990-EZ
Group exemption
9246

Filing history

FormYear endedRevenueExpensesAssets
990December 2024–––
990TDecember 2024–––
990December 2023$3,821,163$4,376,298$7,306,323
990TDecember 2023–––
990June 2023$4,676,147$7,106,187$12,927,718
990TJune 2023–––
990June 2022$5,226,377$8,408,326$12,308,112
990TJune 2022–––
990June 2021$4,316,223$6,441,858$17,570,953
990TJune 2021–––
990June 2020–––

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: e-filed returns processed since 2019; amounts from the IRS Statistics of Income extracts where available.

Other organizations in NEW YORK