IRS 990 Nonprofit Profile

National Speleological Society

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.

Filing year
2024
Total revenue
$2.4M
Total expenses
$1.5M
Program expenses
$482K
Administration
$1.0M
Fundraising
$250
Program share of expenses
32%
EIN
546026867
Location
Huntsville, AL

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Financial data on this page is sourced from IRS Form 990 filings.