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INTERNATIONAL ORNITHOLOGISTS UNION

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Public nonprofit record

INTERNATIONAL ORNITHOLOGISTS UNION

EIN 47-2490986 · Professional Societies & Associations - Social Science (V03)

What they do

Advancement of Education and Understanding of Ornithological Studies and Activities Through Dissemination of Information to Its Members and The General Public, and Through Its Annual Event, The International Ornithological Congress.

Money

Financial picture

Tax year 2025
Expenses$35,905
Contributions$86,431

About this charity

Recognized since
January 2015
Location
111 E CHESAPEAKE ST, NORMAN, OK 73019-5116
County
Cleveland
In care of
% DAVID L WILLIAMS
Primary officer
Eli Bridge

How to reach them

Filing and classification

Latest tax year
2025
Tax period began
January 1, 2025
Return type
990EZ
Tax preparer
CARLETON & COMPANY CPAS INC
NTEE classification
Professional Societies & Associations - Social Science (V03)
IRS tax category
Professional Societies & Associations
More public IRS record details

These are classification codes from the organization’s public nonprofit record.

Subsection
03
Affiliation
3
Classification
2800
Deductibility
1
Foundation
16
Organization
1
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About this report: Information comes from public nonprofit records and may show the latest filing available.

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