Oklahoma · Nonprofit
SOUTHERN OKLAHOMA AMBULANCE SERVICE INC
SOUTHERN OKLAHOMA AMBULANCE SERVICE INC (Oklahoma) receives grants from 12 organizations whose IRS filings report $6,629,658 to it, the largest being SOUTHERN OKLAHOMA MEMORIAL FOUNDATION INC ($3,005,117). 10 of them have funded it in more than one year.
Against its field
SOUTHERN OKLAHOMA AMBULANCE SERVICE INC runs a healthier operating margin than three-quarters of the 8,110 health nonprofits its size.
this organization peer median middle 50% of peers· 8,110 health nonprofits $1M–$10M, FY2024
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.
- Beverly Westheimer Wellnitz Charitable Foundation Inclocalportfolio match
- Delta Dental of Oklahoma Foundationshared fundersportfolio match
- North Central Texas Trauma Regional Advisory Councilportfolio match
The organization over time
Each line starts at 100 in 2020, so what you read is the shape rather than the size: 150 means half as much again as 2020, 50 means half. The number beside each label in the key is where it ended. The shaded band is where the middle 50% of its peers' revenue would sit, given their growth.
How it's funded, over time
Each bar is one year's revenue split into where it came from, and every bar is the same height — these are shares, not amounts, so a year that raised twice as much looks the same size. Hover a bar for the split.
Government-grant reliance: 2020 24% · 2021 23% · 2022 13% · 2023 8% · 2024 6%. Grants only. Government contracts and fees sit inside program revenue.
39% of SOUTHERN OKLAHOMA AMBULANCE SERVICE INC’s revenue is contributions — about as donation-reliant as the typical peer (51% for the typical peer).
Surplus & reserves
Operating surplus or deficit each year, and months of liquidity in hand. 2 of the last 5 reported years ran a deficit.
reserve
Who funds it, year by year
2017 → 2023: the base broadened from 1 funder to 8 funders, grant income rose $34k → $313k.
2 of 12 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 3% of grant dollars received. That money is really individual donors directing a sponsor; the institutions to cultivate are the non-DAF funders.
From the IRS filings of SOUTHERN OKLAHOMA AMBULANCE SERVICE 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
SOUTHERN OKLAHOMA AMBULANCE SERVICE INC leans on a few funders — its largest provides 45% of grant income and the top three 84%; half comes from just 2 funders.
the vertical line marks half of all grant income — 2 funders to its left
Largest funder’s share by year: 2017 100% · 2018 71% · 2019 92% · 2020 73% · 2021 49% · 2022 33% · 2023 62% — diversifying over time.
“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.
How long its funders stay
67% of SOUTHERN OKLAHOMA AMBULANCE SERVICE INC's funders are still giving 3 years after their first grant; 83% give in more than one year at all.
Share of funders still giving k years after their first recorded grant, pooled across every acquisition cohort. A funder counts as retained in a year only if it made a grant that year. Measured to FY2023, the last fiscal year that has finished arriving — a funder cannot be counted as lapsed in a year most filers have not reached.
Where its funders are
100% of SOUTHERN OKLAHOMA AMBULANCE SERVICE 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. $170k arriving through sponsors registered in 2 states is excluded from the map and the split above: a sponsor holds money on a donor’s behalf, so its registered address would place those dollars somewhere no donor need ever have been. 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. Your 12 funders put you typical among the 400 organizations that share them.
- Beverly Westheimer Wellnitz Charitable Foundation Inclocalportfolio matchOK · funds 20 organizations near you · its grantees resemble your mission
- Delta Dental of Oklahoma Foundationshared fundersportfolio matchOK · backs 16 organizations that share your funders · its grantees resemble your mission
- North Central Texas Trauma Regional Advisory Councilportfolio matchits grantees resemble your mission
- Rural Oklahoma Community Foundation Inc an Affiliated Fund of Occf Incportfolio matchits grantees resemble your mission
- Avedis Foundationportfolio matchits grantees resemble your mission
- Piney Woods Regional Advisory Councilportfolio matchits grantees resemble your mission
- Cherokee Strip Community Foundationportfolio matchits grantees resemble your mission
- St John Health System Foundation Incportfolio matchits grantees resemble your mission
- The Daube Family Foundation InclocalOK · funds 26 organizations near you
- The Kelley FoundationlocalOK · funds 10 organizations near you
- Community Activities Inc of ArdmorelocalOK · funds 6 organizations near you
- Js & Wl Mullen Memorial Charitable TrustlocalOK · funds 6 organizations near you
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.
Government funding SOUTHERN OKLAHOMA AMBULANCE SERVICE INC receives
Grants and contracts to this organization from federal (USASpending) and state checkbooks, reconciled to its EIN. $10k on record.
- Approved Program Reimbursement$7k
- PH Prep & Resp - Pmt & Reimb$2k
- Reimbursement & Repayment -Oth$1k
- Indemnities,Restitn.,Settlmts$141
Federal grants vs contracts are distinguished; state line items keep their reported category. Matched by name + geography (the BMF), so coverage is partial and precision-first.
Organizations like SOUTHERN OKLAHOMA AMBULANCE SERVICE 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.
Where the money goes
83% of spending goes to programs.
Governance
Public support
88%
Share of support from the public (Schedule A) — the basis for its public-charity status.
Footprint & structure
Files a return copy in 1 state
Screen this organization
A dated, signed PDF of the compliance screen for SOUTHERN OKLAHOMA AMBULANCE SERVICE 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 SOUTHERN OKLAHOMA AMBULANCE SERVICE INC?
- SOUTHERN OKLAHOMA AMBULANCE SERVICE INC (Oklahoma) receives grants from 12 organizations whose IRS filings report $6,629,658 to it, the largest being SOUTHERN OKLAHOMA MEMORIAL FOUNDATION INC ($3,005,117). 10 of them have funded it in more than one year.
- How many funders does SOUTHERN OKLAHOMA AMBULANCE SERVICE INC have?
- IRS filings report 12 organizations giving $6,629,658 in grants to SOUTHERN OKLAHOMA AMBULANCE SERVICE INC, 10 of which have funded it in more than one year.
- Who is the largest funder of SOUTHERN OKLAHOMA AMBULANCE SERVICE INC?
- SOUTHERN OKLAHOMA MEMORIAL FOUNDATION INC is the largest funder on record, with $3,005,117 in grants. The full list of funders is on this page.
- How can an organization like SOUTHERN OKLAHOMA AMBULANCE SERVICE 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 2020–2024), and the filings of 12funders 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