Before you apply to C Stone Foundation c/o Catherine S Campbell
Who to contact, what to include, deadlines, typical grant size and geographic focus are available with membership.
Private Foundation
C Stone Foundation c/o Catherine S Campbell
Based in San Antonio, TX, C Stone Foundation c/o Catherine S Campbell operates as a Private Foundation. The organization reported $373K in revenue, $263K in expenses, $1.8M in total assets for fiscal year 2025. Imperigo tracks 77 reported grants from this foundation totaling approximately $4.0M.
EIN: 208134458
San Antonio, TX
Private Independent Foundations
NTEE: T22
Latest filing: 2025
Total Revenue$373K
Total Expenses$263K
Total Assets$1.8M
Grants Given77
Grant Total$4.0M
Filing Years2020–2025
Sample Grants Given
Rocky Mountain College
General Purpose
$50,000
ExplorationWorks Inc
General Purpose
$50,000
Central Montana Medical Facilities Inc (dba Central Montana Medical Cent
General Purpose
$50,000
The Myrna Loy (Myrna Loy Center)
General Purpose
$30,000
Montana History Foundation Inc
General Purpose
$10,000
Showing up to 5 of 77 total records — full history available with membership.
Officers & Directors
Trustee
Catherine S Campbell
Trustee
Eloise D Austin
Trustee
Ruth C Austin
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $373K | $263K | $1.8M |
| 2024 | $2.0M | $2.3M | $1.6M |
| 2023 | $10K | $301K | $2.8M |
| 2022 | $-11K | $338K | $3.0M |
| 2020 | $146K | $294K | $3.5M |
Between 2020 and 2025, reported annual revenue grew from $146K to $373K (+156%), with total assets most recently reported at $1.8M.
Interactive year-over-year charts and full filing details available with membership.
Grant Geography
Grants from this foundation were reported to recipients in CA, DC, MN, MT, PA, TX, and 3 other states.
CADCMNMTPATXVAVTWA
Full geographic grant map with state-by-state breakdown available with membership.