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Nonprofit · EIN 82-1458355

ENOLOGICAL SUPPLY ORGANIZATION

Tax-exempt · NAPA, CA 94559

Financials

$75K$58K2024$59K$67K2025
Revenue Expenses · by fiscal year end
Financials of ENOLOGICAL SUPPLY ORGANIZATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-EZ$58,500$66,800-$8,300$27,783–$27,783
December 31, 2024990-EZ$75,000$57,640$17,360$36,083–$36,083
Financial details: 990-EZ for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$58,500

Expenses

Compensation of officers, directors and key employees
$0
Professional fees and payments to contractors
$59,930
Other expenses
$6,870

Balance sheet and other

Total assets, start of year
$36,083
Total assets, end of year
$27,783
Total liabilities, end of year
–
Net assets, end of year
$27,783
Cash, savings and investments
$21,283
Gross receipts
$58,500

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

NameTitleHours / weekCompensation
S RICHARDSONPresident2$0
F BERGAGLIOSecretary2$0
T DEWANETreasurer2$0
990-EZ for the year ended December 31, 2024: 3 people
NameTitleHours / weekCompensation
S RICHARDSONPresident2$0
F BERGAGLIOSecretary2$0
T DEWANETreasurer2$0

Address and contacts

Address (IRS master file)
1850 ADRIAN ST, NAPA, CA 94559-1340
In care of
% ZACHARY SCOTT
Mailing address (990-N for 2023)
1850 Adrian Street, Napa CA 94559
Principal officer (990-N for 2023)
Shaun Richardson, 1850 Adrian Street, Napa CA 94559
Signed the 990-EZ
T DEWANE, Treasurer
Phone
(707) 486-4651
Return prepared by
VM ACCOUNTING SERVICES

California records

California keeps its own records of charities and corporations. Search them by EIN 82-1458355 or by the name ENOLOGICAL SUPPLY ORGANIZATION.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

Mission

TO SERVE AS THE REFERENCE FOR GOVERNMENTAL, INDUSTRY AND SCIENTIFIC BODIES REGARDING THE REGULATION AND KNOWLEDGE OF TECHNICAL WINEMAKING MATERIALS AND PROCESSES

990-EZ for the year ended December 31, 2025

Program accomplishments

  • ESO PROMOTES AND SUPPORTS THE REGULATION AND USAGE OF WINE TREATING MATERIALS IN THE WINEMAKING COMMUNITY. IN 2025, ESO AND THE WINE INSTITUTE TECHNICAL ADVISORY COMMITTEE (WITAC) WILL CONTINUE
  • ADVOCATING FOR FASTER REGULATORY APPROVAL OF NEW ENOLOGICAL PRODUCTS. ESO PARTICIPATES IN ALL THE WINE INSTITUTE BOARD MEETINGS. ESO HAS SUCCESSFULLY LOBBIED UC DAVIS UNIVERSITY AND
  • CAL POLY TO COLLABORATE IN A PROPOSED STREAMLINING OF A TTB (ALCOHOL & TOBACCO TAX AND TRADE BUREAU) APPROVAL PROCESS THAT WILL BE JOINTLY PRESENTED TO THE TTB IN 2026.

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, 2026990-EZ on file
2024December 31, 2024May 15, 2025990-EZ on file
2023December 31, 2023May 15, 2024990-N on file

IRS record

EIN
82-1458355
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
2018
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$27,783
Income (IRS master file)
$58,500

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZDecember 2025$58,500$66,800$27,783XML
990-EZDecember 2024$75,000$57,640$36,083XML
990-N for 2023
Officer: Shaun Richardson
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Shaun Richardson
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Z SCOTT
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Z SCOTT
December 31, 2019≤ $50,000 receipts––e-Postcard
990-EZDecember 2017–––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 82-1458355).

Questions about ENOLOGICAL SUPPLY ORGANIZATION

What is the EIN of ENOLOGICAL SUPPLY ORGANIZATION?
The employer identification number (EIN) of ENOLOGICAL SUPPLY ORGANIZATION is 82-1458355.
Is ENOLOGICAL SUPPLY ORGANIZATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 2018.
Are donations to ENOLOGICAL SUPPLY ORGANIZATION tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does ENOLOGICAL SUPPLY ORGANIZATION file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of ENOLOGICAL SUPPLY ORGANIZATION 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 ENOLOGICAL SUPPLY ORGANIZATION last file with the IRS?
The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
Who is the principal officer of ENOLOGICAL SUPPLY ORGANIZATION?
The 990-N for 2023 names Shaun Richardson.
Who are the officers and directors of ENOLOGICAL SUPPLY ORGANIZATION?
The 990-EZ for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
How much revenue does ENOLOGICAL SUPPLY ORGANIZATION have?
On its 990-EZ for the year ended December 31, 2025 it reported revenue of $58,500, expenses of $66,800 and total assets of $27,783 at year end.

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