Fiscal year ending 2025. Filed on October 2, 2025.
6001 Pulaski Pike NW
Huntsville, Alabama 35810
National Speleological Society (EIN: 54-6026867) has filed an IRS Form 990 between fiscal years 2017 and 2025. In its fiscal year 2025 IRS Form 990 filing, National Speleological Society, a 501(c)(3) charitable organization, reported compensation for 0 out of 3 total employees.
Revenue
Expenses
Employee compensation
No compensated employees were reported for this year (employee data available for 2024, 2023, 2021, 2020).
THE NSS IS DEDICATED TO THE SCIENTIFIC STUDY OF CAVES AND KARST PROTECTING CAVES THROUGH CONSERVATION OWNERSHIP STEWARDSHIP EDUCATION AND PROMOTING RESPONSIBLE CAVE EXPLORATION CAVER FELLOWSHIP.
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