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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 25-1908551

HYDROGEN SULFIDE COALITION

Tax-exempt · WASHINGTON, DC 20037

Address and contacts

Address (IRS master file)
2200 PENNSYLVANIA AVE NW STE 100W, WASHINGTON, DC 20037-1749
In care of
% B&C CONSORTIA MGMT LLC
Mailing address (990-N for 2025)
2200 Pennsylvania Avenue NW 100W, Washington DC 20037
Principal officer (990-N for 2025)
Julianne Ogden, 2200 Pennsylvania Avenue NW 100W, Washington DC 20037

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 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-N on file
2024December 31, 2024May 15, 2025990-N on file
2023December 31, 2023May 15, 2024990-N on file

File the 2026 990-N for HYDROGEN SULFIDE COALITION

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
25-1908551
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
2009
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Employment (J03)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Julianne Ogden
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Julianne Ogden
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Heather Blankinship
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Heather Blankinship
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Jake Vandevort
December 31, 2020≤ $50,000 receipts––e-Postcard
990-EZDecember 2019–––IRS
990-EZDecember 2018–––IRS
990-EZDecember 2017–––IRS
990-N for 2016
Officer: Lynn L Bergeson
December 31, 2016≤ $50,000 receipts––e-Postcard

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 25-1908551).

Questions about HYDROGEN SULFIDE COALITION

What is the EIN of HYDROGEN SULFIDE COALITION?
The employer identification number (EIN) of HYDROGEN SULFIDE COALITION is 25-1908551.
Is HYDROGEN SULFIDE COALITION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 2009.
Are donations to HYDROGEN SULFIDE COALITION tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does HYDROGEN SULFIDE COALITION file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of HYDROGEN SULFIDE COALITION 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 HYDROGEN SULFIDE COALITION last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
Who is the principal officer of HYDROGEN SULFIDE COALITION?
The 990-N for 2025 names Julianne Ogden.

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