Green Buffalo Club
Green Buffalo Club is a private foundation, based in Waubay, SD. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $148K in total assets. In 2025, it made $380 in qualifying distributions. Net investment income was $1K.
Key facts about Green Buffalo Club
- EIN
- 81-2747422
- Latest 990 filing
- Form 990-PF, 2025
- Total assets
- $147,957
Data from IRS Form 990-PF, 2025; updated September 2026.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$148K
+16.7% YoY
Revenue
$65K
+7.6% YoY
Qualifying Distributions
$380
-95.1% YoY
Expenses
$44K
-13.4% YoY
Ready to take the next step with Green Buffalo Club?
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $147,957 | $126,813 | $117,130 |
| Revenue | $65,492 | $60,864 | $55,531 |
| Expenses | $44,348 | $51,181 | $40,236 |
| Qualifying Distributions | $380 | $7,703 | — |
| Net Investment Income | $1,038 | — | — |
| Distributable Amount | — | — | — |
Data update history
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2024 (received by the IRS July 21, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS May 14, 2026)
- Added Form 990-PF for fiscal year 2019 (received by the IRS June 8, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 26, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS July 6, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS November 6, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS November 12, 2024)
Leadership & Key People
Officers and directors from IRS filings
Green Buffalo Club is led by Steve Aker, President since 2023 (on filings since 2019); none of the 6 officers listed in 2025 report compensation.
Officers on the 2025 filing
Steve Aker
President
Officer → President & Officer, 2022
President & Officer → President, 2023
On filings since 2019
2.5 hrs/week
No compensation reported
Darin Rumpza
Officer
On filings since 2019
2.5 hrs/week
No compensation reported
Sarah Bartelt
Secretary
On filings since 2019
2.5 hrs/week
No compensation reported
Adam Jorgenon
Officer
On filings since 2022
2.5 hrs/week
No compensation reported
Landan Davis
Vice President
On filings since 2022
2.5 hrs/week
No compensation reported
Mark Bimey
Officer
On filings since 2022
2.5 hrs/week
No compensation reported
Former officers (2)
- Former: Allison Gaikowski (2019–2021) — Officer
- Former: Devlin Benike (2019–2021) — President
Data from IRS Form 990 filings, 2019–2025. "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 Green Buffalo Club
How large is Green Buffalo Club?
Green Buffalo Club reported $148K in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $65K.
What is Green Buffalo Club's EIN?
Green Buffalo Club's EIN (Employer Identification Number) is 81-2747422. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Here's the math on researching Green Buffalo Club by hand.
Explore Open Grants
Browse active grant opportunities in Green Buffalo Club's focus areas in our free grants database
Similar Funders
Funders that support many of the same organizations
South Dakota Community Foundation
Pierre, SD
The South Dakota Community Foundation funds public nonprofits and charitable projects benefiting South Dakota, including work in education, health, human services, culture, economic development, and community problem-solving. Its 2024 grants had a median of about $18,600, though awards varied widely; the profile does not state whether it accepts unsolicited requests.
Assets
$939.2M
Grants
390
Total Given
$39.7M
Sioux Falls Area Community Foundation
Sioux Falls, SD
The Sioux Falls Area Community Foundation funds social, cultural, educational, religious, community development, and environmental work, including programs, capacity-building, and community projects. Its typical grant is around $25,000, primarily for work in Minnehaha, Lincoln, McCook, and Turner counties and within 25 miles of Sioux Falls; it accepts Community Fund requests by letter of inquiry.
Assets
$390.9M
Grants
308
Total Given
$38.0M
Sanford Group Return
Sioux Falls, SD
Sanford Group Return funds health care access and outcomes, community wellbeing, workforce and education, and related community needs, including health professions education and research. In 2024, its median grant was $24,900, with awards ranging from $5,500 to $3.6 million; giving was concentrated in South Dakota, North Dakota, and Minnesota. Its Community Dividend Fund accepts online funding requests in South Dakota, Iowa, Minnesota, Montana, Nebraska, North Dakota, and Wyoming; whether unsolicited requests are accepted is not stated.
Assets
$4.3B
Grants
166
Total Given
$25.9M
Avera Health
Sioux Falls, SD
Avera Health supports nonprofit organizations working on health and wellness, unmet community health needs, healthy lifestyles, environmental and social initiatives, and civic or community development in its service area across South Dakota and parts of Minnesota, Iowa, North Dakota, and Nebraska. In 2025, its 109 grants ranged from $5,100 to $850,000, with a median of $17,737. Nonprofits may submit Community Partnership requests; Avera does not consider requests from outside its service area.
Assets
$2.6B
Grants
109
Total Given
$6.2M
Black Hills Area Community Foundation
Rapid City, SD
The Black Hills Area Community Foundation funds community projects, social and human services, youth and family programs, food services, animal welfare, organizational capacity building, and scholarships. Its 2025 grants had a median of $15,000 (ranging from $5,200 to $1,182,199) and served Butte, Meade, Lawrence, Pennington, Custer, Oglala Lakota, and Fall River counties in South Dakota; the profile does not state whether it accepts unsolicited requests.
Assets
$95.1M
Grants
120
Total Given
$5.7M
Ch Robinson Worldwide Foundation
Sioux Falls, SD
The C.H. Robinson Worldwide Foundation funds community needs, economic opportunity, supply-chain and logistics initiatives, and environmental sustainability, with Twin Cities grants also supporting hunger, shelter, K–12 education, and workforce development in Minneapolis–St. Paul. In 2024, grants ranged from $750 to $2.69 million, with a median of $5,000. Strategic Industry grants are invitation-only; Twin Cities organizations can apply online, and no general policy on unsolicited requests is stated.
Assets
$18.2M
Grants
87
Total Given
$4.0M
NDN Collective Inc
Rapid City, SD
NDN Collective funds Indigenous-led organizations, Tribes, groups, projects, and individuals working on self-determination, justice, and equity, including land and water protection, food systems, language and cultural revitalization, and frontline organizing. Its 2024 itemized grants had a median of $50,000 and ranged from $5,600 to $1 million; the 2025 Community Self-Determination process was not open to new applicants and was limited to current or former grantee-partners.
Assets
$49.7M
Grants
72
Total Given
$10.3M
Valley Queen Charitable Foundation
Milbank, SD
Valley Queen Charitable Foundation supports community, educational, industry, and humanitarian initiatives, with most funding going to South Dakota and some to Minnesota. Its 2025 grants ranged from $100 to $107,750, with a median of $1,500. It accepts requests year-round; organizations can request an application by calling the foundation.
Assets
$1.8M
Grants
79
Total Given
$556K
The Robert and Rita Elmen Foundation
Sioux Falls, SD
The Robert and Rita Elmen Foundation funds building projects, exhibits, research, operating costs, social services, food assistance, and recreation, primarily in South Dakota, where 89% of its 2024 grant dollars went. Its 2024 grants ranged from $1,000 to $960,000, with a median of $25,000. It funds only preselected charitable organizations and does not accept unsolicited requests.
Assets
$86.4M
Grants
57
Total Given
$4.4M
Levo Cares Foundation
Sioux Falls, SD
Levo Cares Foundation supports community organizations and educational programs, including work in education, youth services, basic needs, and animal welfare, primarily in its 29-county service area across Iowa, Minnesota, North Dakota, and South Dakota. Its 2025 grants ranged from $90 to $18,681, with a median of $1,000. It accepts donation requests through a form, by phone, or at a branch; requests should be submitted at least 30 days before funds are needed.
Assets
$42K
Grants
54
Total Given
$72K
Sioux Empire United Way Inc
Sioux Falls, SD
Sioux Empire United Way funds health and social-service, youth development, recreation, and character-building programs, including childcare, mental health, housing stability, and crisis support. Its 2024 grants ranged from $7,212 to $818,910, with a median award of $85,000, for services in Lincoln, McCook, Minnehaha, and Turner Counties, South Dakota. Unsolicited requests are not described; new applicants must first complete a questionnaire and be contacted about next steps.
Assets
$12.3M
Grants
48
Total Given
$7.0M
Kenneth V Moncur Memorial
Miller, SD
The Kenneth V Moncur Memorial funds scholarships for individuals in South Dakota, with 2024 grants ranging from $1,000 to $2,000. It does not accept unsolicited requests and states that it contributes only to preselected charitable organizations.
Assets
$838K
Grants
51
Total Given
$62K
More Funders in South Dakota
Green Buffalo Club down — hundreds of funders to go?