Oklahoma · Nonprofit
THREE RIVERS MUSEUM OF MUSKOGEE INC
THREE RIVERS MUSEUM OF MUSKOGEE INC (Oklahoma) receives grants from 2 organizations whose IRS filings report $70,159 to it, the largest being CITY OF MUSKOGEE FOUNDATION INC ($59,000). 1 of them have funded it in more than one year.
Three funders worth looking at
Grantmakers with no record of funding this organization, ranked by how strongly the co-funder graph and the mission embeddings agree. The evidence is in section 03.
- Saint Francis Hospital Muskogee Inclocal
- Museums Alaska Incportfolio match
- Muskogee Welfare Association Inclocal
The organization over time
Each line starts at 100 in 2017, so what you read is the shape rather than the size: 150 means half as much again as 2017, 50 means half. The number beside each label in the key is where it ended.
Who funds it, year by year
2020 → 2022: the base held at 1 funder, grant income fell $35k → $24k.
From the IRS filings of THREE RIVERS MUSEUM OF MUSKOGEE INC’s funders (the co-funder graph). Association, not causation. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
How concentrated its funding is
THREE RIVERS MUSEUM OF MUSKOGEE INC leans on a few funders — its largest provides 84% of grant income and the top three 100%; half comes from just 1 funder.
the vertical line marks half of all grant income — 1 funder to its left
100% of the income these shares are computed over arrives through pass-through sponsors or from payers whose filings do not say what kind of payment it is. Concentration is still measured over all of it, because the money is real; what it does not support is a claim about how many institutions have chosen to fund THREE RIVERS MUSEUM OF MUSKOGEE INC.
Largest funder’s share by year: 2020 100% · 2021 100% · 2022 100% — broadly stable.
“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Where its funders are
100% of THREE RIVERS MUSEUM OF MUSKOGEE INC's grant income comes from Oklahoma funders.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Funders to approach
Grantmakers that don’t fund you yet, surfaced two ways: they back organizations that share your funders, or their grantees resemble your mission. The ones both signals agree on come first.
- Saint Francis Hospital Muskogee InclocalOK · funds 5 organizations near you
- Museums Alaska Incportfolio matchits grantees resemble your mission
- Muskogee Welfare Association InclocalOK · funds 6 organizations near you
- Alaska Humanities Forumportfolio matchits grantees resemble your mission
- E Phil & Roberta Kirschner Affiliated Fund of the Occf Incshared funderslocalOK · backs 11 organizations that share your funders · funds 7 organizations near you
- Greater Hudson Heritage Networkportfolio matchits grantees resemble your mission
- Montana History Foundationportfolio matchits grantees resemble your mission
- The William G Pomeroy Foundationportfolio matchits grantees resemble your mission
- Humanities Montanaportfolio matchits grantees resemble your mission
- Association of Tribal Archives Libraries & Museumsportfolio matchits grantees resemble your mission
- Idaho Humanities Council Incportfolio matchits grantees resemble your mission
- Minnesota Historical Societyportfolio matchits grantees resemble your mission
From the co-funder graph (funders backing at least two comparable organizations, shrunk for grantee count, donor-advised and mega-funds excluded) and the universe embeddings. A research starting point; overlap is association, not a guarantee of fit.
Organizations like THREE RIVERS MUSEUM OF MUSKOGEE INC
Nonprofits whose mission and program text most resemble this one, by semantic similarity over the universe of US filings — the closest peers, and often the clearest route to shared or prospective funders.
In Oklahoma
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Screen this organization
A dated, signed PDF of the compliance screen for THREE RIVERS MUSEUM OF MUSKOGEE INC: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.
Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. How the screen works · on the API as GET /api/screening/{ein}?format=pdf
Questions and answers
- Who funds THREE RIVERS MUSEUM OF MUSKOGEE INC?
- THREE RIVERS MUSEUM OF MUSKOGEE INC (Oklahoma) receives grants from 2 organizations whose IRS filings report $70,159 to it, the largest being CITY OF MUSKOGEE FOUNDATION INC ($59,000). 1 of them have funded it in more than one year.
- How many funders does THREE RIVERS MUSEUM OF MUSKOGEE INC have?
- IRS filings report 2 organizations giving $70,159 in grants to THREE RIVERS MUSEUM OF MUSKOGEE INC, 1 of which have funded it in more than one year.
- Who is the largest funder of THREE RIVERS MUSEUM OF MUSKOGEE INC?
- CITY OF MUSKOGEE FOUNDATION INC is the largest funder on record, with $59,000 in grants. The full list of funders is on this page.
- How can an organization like THREE RIVERS MUSEUM OF MUSKOGEE INC find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in Oklahoma. The funding by cause and by state pages list the largest funders for a given area and how to approach them.
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2024 (financials across 2017–2024), and the filings of 2funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported August 27, 2026. What this page cannot tell you · view filing