National Speleological Society
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.
Annual Revenue
$2,386,048
Known Funders
4
Grants Received
7
Financial History
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 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
CARLSBAD, NM
CARLSBAD, NM
ISLAMORADA, FL
SEATTLE, WA
SEATTLE, WA
SEATTLE, WA
Key Personnel
From 2024 IRS 990 filing
Dennis Melko
Director
Aria Mildicr
Director
Sarah Arpin
Director
Michael Mansur
Director
Anna Pearce
Director
Josh Schultz
Director
Mike Backe
Director
Zach Englebert
Director
Miki Kabler
Director
Nina Martin
Director
Showing 10 of 12 key personnel.
Frequently Asked Questions
Other Nonprofits in Alabama
Unlock Full Nonprofit Data
Sign up for free to access the complete funder list, financial history, program details, key personnel, and smart matching.