Indian Dispute Resolution Services Inc
Indian dispute resolution service's mission is to work with native American tribes to strengthen their capacity to be self governing, to mobilize technical and financial resources needed to meet the challenges facing these communities, and to create opportunities for tribal members in community and economic development.
Indian Dispute Resolution Services Inc at a glance
In short: Indian Dispute Resolution Services Inc gave $23K across 1 grant in 2025 (avg $23K), mostly in Arizona. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $22,937
- -5.3% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $22,937
- -5.3% vs 2024
- Median grant
- $22,937
- Total assets
- $605,675
- +11.0% vs 2024
- Primary geography
- Arizona (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who Indian Dispute Resolution Services Inc funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Tolani Lake Enterprises Inc ($23K).
Grant Size Distribution
2 grants across all recorded years
The most common grant size was under $50K: 2 grants of 2 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2024 to 2025, annual grant giving ranged from $23K (2025) to $24K (2024). In 2025 it made 1 grant totaling $23K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Tolani Lake Enterprises Inc Winslow, AZ | Rural Community Development Initiative | $22,937 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $605,675 | $537,606 | $507,817 | $22,937 | 1 | $2,982 |
| 2024 | $545,518 | $498,043 | $506,377 | $24,222 | 1 | $2,908 |
| 2023 | $541,433 | $490,098 | $445,162 | — | — | $2,574 |
| 2022 | $499,767 | $550,318 | $461,215 | — | — | $25 |
| 2021 | $417,890 | $610,912 | $509,621 | — | — | $14 |
| 2020 | $333,407 | $430,424 | $422,543 | — | — | $25 |
| 2019 | $297,821 | $513,718 | $474,192 | — | — | $328 |
About Indian Dispute Resolution Services Inc
Based on IRS filings
Indian Dispute Resolution Services Inc is a public charity, based in Plymouth, CA. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $606K in total assets. In 2025, it awarded 1 grant totaling $23K. Net investment income was $3K.
Leadership & Key People
Officers and directors from IRS filings
Indian Dispute Resolution Services Inc is led by Mark Thompson, Executive Director on every filing since 2019; 1 of 4 officers listed in 2025 is compensated.
Officers on the 2025 filing
Mark Thompson
Executive Director
On filings since 2019
40 hrs/week
$78K (2019) → $102K (2025)
Roman Orona
Chairperson
On filings since 2019
1 hr/week
No compensation reported
Carmella Johnson
Secretary & Treasurer
On filings since 2019
1 hr/week
No compensation reported
Lisa Bernal
Vice Chairperson
Member at Large → Vice Chairperson, 2020
On filings since 2019
1 hr/week
No compensation reported
Former officers (2)
- Former: Theresa Carmody (2019–2021) — Member
- Former: Gerald Sherman (2019) — Vicechairperson
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.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $102K, to Mark Thompson (Executive DIR.).
Frequently asked questions about Indian Dispute Resolution Services Inc
How much does Indian Dispute Resolution Services Inc give each year?
Indian Dispute Resolution Services Inc gave $23K across 1 grant in 2025, according to its 2025 IRS Form 990. In 2024 it gave $24K across 1 grant.
How large is Indian Dispute Resolution Services Inc?
Indian Dispute Resolution Services Inc reported $606K in total assets on its 2025 IRS Form 990. Its revenue that year was $538K.
Where does Indian Dispute Resolution Services Inc operate?
Indian Dispute Resolution Services Inc has awarded grants in Arizona.
What is Indian Dispute Resolution Services Inc's EIN?
Indian Dispute Resolution Services Inc's EIN (Employer Identification Number) is 94-3145119. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(3)
When this profile's IRS filing data changed on Grantable
- Added Form 990 for fiscal year 2019 (received by the IRS January 18, 2021)
- Updated Form 990 for fiscal year 2024 (received by the IRS May 15, 2025)
- Added Form 990 for fiscal year 2025 (received by the IRS May 15, 2026)
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