Sterling Hill Mining Museum Inc
The Sterling Hill Mining Museum is dedicated to the preservation, interpretation, understanding, and appreciation of the history of mining, mining technology, mineralogy, and geology unique to the state of New Jersey through scientific research and educational programs.
Sterling Hill Mining Museum Inc at a glance
- Total assets
- $8,340,559
- Revenue (2025)
- $1,006,892
- Net investment income (2025)
- $2,791
- Expenses (2025)
- $504,180
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated October 2026.
Who Sterling Hill Mining Museum Inc funds
How this funder distributes its grants
Grant Size Distribution
3 grants across all recorded years
The most common grant size was under $50K: 3 grants of 3 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2023, annual grant giving ranged from $13K (2022) to $33K (2021). In 2023 it reported $14K in grants paid, as a total without an itemized list.
Hatched bars: grants paid as reported on the IRS filing, which lists no individual grants for that year.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Stockton University Galloway, NJ | Scholarship | $12,500 |
Ready to take the next step with Sterling Hill Mining Museum Inc?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $8,340,559 | $1,006,892 | $504,180 | — | — | $2,791 |
| 2023 | $7,514,664 | $926,130 | $554,127 | $13,500 | Total only | $42,697 |
| 2022 | $7,322,067 | $422,071 | $435,985 | $12,500 | 1 | $9,867 |
| 2021 | $7,396,282 | $217,785 | $430,216 | $32,500 | Total only | $46,082 |
| 2020 | $7,623,617 | $955,504 | $623,115 | $13,500 | 2 | $44,908 |
"Total only": grants paid as reported on the IRS filing, which lists no individual grants for that year.
About Sterling Hill Mining Museum Inc
Based on IRS filings
Sterling Hill Mining Museum Inc is a public charity focused on Arts, Culture & Humanities, based in Ogdensburg, NJ. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $8.3M in total assets. Net investment income was $3K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Sterling Hill Mining Museum Inc is led by William Kroth, President on every filing since 2020; none of the 12 officers listed in 2025 report compensation.
Officers on the 2025 filing
William Kroth
President
On filings since 2020
No compensation reported
Doug Franciso
Trustee
On filings since 2020
No compensation reported
George Hutnick
Trustee
On filings since 2020
No compensation reported
Gordon Powers
Trustee
On filings since 2020
No compensation reported
Jeff Winkler
Trustee
On filings since 2020
No compensation reported
Margaret Holzer
Trustee
On filings since 2020
No compensation reported
Michael Pierce
Trustee
On filings since 2020
No compensation reported
Walter Spink
Trustee
On filings since 2020
No compensation reported
Bob Horn
Trustee
On filings since 2021
No compensation reported
Denise Kroth
Treasurer
On filings since 2020
No compensation reported
Haig Kasabach
Secretary
On filings since 2020
No compensation reported
Jeff Osowski
Vice President
On filings since 2020
No compensation reported
Former officers (1)
- Former: Bpb Horn (2020) — Trustee
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Sterling Hill Mining Museum Inc
How large is Sterling Hill Mining Museum Inc?
Sterling Hill Mining Museum Inc reported $8.3M in total assets on its 2025 IRS Form 990. Its revenue that year was $1.0M.
What is Sterling Hill Mining Museum Inc?
Sterling Hill Mining Museum Inc is a public charity focused on Arts, Culture & Humanities, based in Ogdensburg, NJ. It holds $8.3M in total assets as of 2025.
Where does Sterling Hill Mining Museum Inc operate?
Sterling Hill Mining Museum Inc has awarded grants in New Jersey.
What is Sterling Hill Mining Museum Inc's EIN?
Sterling Hill Mining Museum Inc's EIN (Employer Identification Number) is 22-3125202. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated October 2026. Sourced from IRS Form 990 filings.
Data update history
(4)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2021 (received by the IRS November 15, 2021)
- Updated Form 990 for fiscal year 2022 (received by the IRS January 17, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS April 29, 2025)
- IRS filings on file for fiscal years 2020–2025
Live grants for the work Sterling Hill Mining Museum Inc funds
Arts, Culture & Humanities Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in Sterling Hill Mining Museum Inc's focus areas in our free grants database
Similar Funders
Similar funders in New Jersey
The Robert Wood Johnson Foundation
Princeton, NJ
The Robert Wood Johnson Foundation funds efforts to improve health and health equity in the United States, including systems change addressing structural barriers to health. In 2024, its grants ranged from $125 to $12.15 million, with a median of $40,000. It typically funds through targeted programs and partnerships; whether it accepts unsolicited requests is not stated.
Assets
$13.4B
Grants
3,093
Total Given
$622.6M
Community Foundation of New Jersey
Morristown, NJ
The Community Foundation of New Jersey supports a broad range of causes, including arts, education, health, human services, and the environment, through donor-directed and other charitable funds. Its 2024 itemized grants had a median of $19,759, with awards ranging widely; its current health grant opportunity serves Morris and Somerset counties. Eligible New Jersey nonprofits may apply to specific grant opportunities, subject to each opportunity’s guidelines.
Assets
$1.0B
Grants
1,321
Total Given
$93.8M
Crane Fund for Widows and Children
Englewood Cliffs, NJ
The Crane Fund for Widows and Children supports charitable organizations, including those working in healthcare and social services, children’s services, recreation, and basic needs, with grants across multiple states. Its 2024 grants ranged from $2,000 to $45,000, with a median of $4,500; it funds only preselected organizations and does not accept unsolicited requests.
Assets
$1.6M
Grants
985
Total Given
$4.5M
The Hyde and Watson Foundation
Warren Township, NJ
The Hyde and Watson Foundation funds capital projects in human services, education, health, arts and culture, and the environment. Most awards are $5,000–$20,000, with a 2024 median of $10,000, for eligible nonprofits in New York City and Essex, Morris, and Union counties in New Jersey. It accepts applications through an online portal during its stated application periods; the profile does not say whether it accepts unsolicited requests.
Assets
$88.2M
Grants
611
Total Given
$6.1M
Princeton Area Community Foundation Inc
Princeton, NJ
The foundation supports nonprofits and community programs in areas such as basic needs, education, health, housing, arts, and the environment, with competitive grants focused on under-resourced communities and women and girls. Its 2024 grants had a median of $15,000, and its discretionary grantmaking primarily serves Mercer County and nearby parts of New Jersey and eastern Bucks County, Pennsylvania. The profile describes competitive programs but does not state whether unsolicited requests are accepted.
Assets
$279.6M
Grants
515
Total Given
$31.3M
Oceanfirst Foundation
Toms River, NJ
OceanFirst Foundation funds nonprofits working in health and wellness, housing, youth development and education, economic stability, quality of life, and higher education in communities served by OceanFirst Bank. In 2025 it awarded grants of $50 to $55,000, with a median of $2,200. It does not limit giving to preselected organizations; prospective applicants are directed to contact the foundation to discuss fit before applying through its online portal.
Assets
$6.1M
Grants
425
Total Given
$1.6M
More similar funders
More Funders in New Jersey
The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open
Figures come from Sterling Hill Mining Museum Inc's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
Sterling Hill Mining Museum Inc down — hundreds of funders to go?