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National Speleological Society

Huntsville, ALEIN: 54-6026867

Data sourced from IRS 990 public filings

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.

Local (City/County Level)
General Population
Environment
Education & Awareness
Direct Service Delivery

Annual Revenue

$2,386,048

Known Funders

4

Grants Received

7

Financial History

YearRevenueExpensesAssets
2024$2,386,048$1,512,516$13,842,651
2023$2,309,157$1,106,922$12,973,164
2022$1,975,576$781,835$11,792,348
2020$2,382,898$448,401$8,876,946
2019$1,185,157$807,135$6,957,235
2018$1,093,072$951,431$6,967,767
2017$1,431,359$821,037$6,978,967
2016$1,900,329$954,145$6,643,434

Top Funders

Unknown foundation
$1,229 (2023)
$1,000 (2024)
$500 (2022)
$500 (2023)
$500 (2021)

Key Personnel

From 2024 IRS 990 filing

D

Dennis Melko

Director

A

Aria Mildicr

Director

S

Sarah Arpin

Director

M

Michael Mansur

Director

A

Anna Pearce

Director

Officer
J

Josh Schultz

Director

M

Mike Backe

Director

Z

Zach Englebert

Director

M

Miki Kabler

Director

N

Nina Martin

Director

Showing 10 of 12 key personnel.

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