Alabama
- Providence Foundation: 63-0915493
- St. Vincent's Foundation of Alabama, Inc.: 63-0868066
Arizona
- Carondelet Foundation, Inc.: 86-0749574
Florida
- Sacred Heart Foundation: 59-2436597
- St. Vincent's Foundation, Inc.: 59-2219923
Idaho
- St. Joseph Regional Medical Center Foundation, Inc.: 51-0168321
Indiana
- St. Joseph Foundation of Kokomo, Indiana, Inc.: 23-7313206
- St. Mary's Health Foundation, Inc.: 23-7045370
- St. Vincent Anderson Regional Hospital Foundation, Inc.: 35-2053693
- St. Vincent Frankfort Hospital Foundation, Inc.: 35-1531734
- St. Vincent Hospital Foundation, Inc.: 35-6088862
- St. Vincent Mercy Hospital Foundation, Inc.: 31-1066871
- St. Vincent Randolph Hospital Foundation, Inc.: 35-2133006
- St. Vincent Williamsport Hospital Foundation, Inc.: 74-3130159
Kansas
- Via Christi Foundation, Inc.: 36-4943550
Maryland
- Saint Agnes Foundation, Inc.: 52-1415083
Michigan
- Ascension Borgess Foundation: 23-7222558
- Ascension Borgess Lee Foundation: 38-2860459
- Ascension Genesys Foundation: 38-3591148
- Ascension Providence Foundation: 38-3526629
- Ascension Providence Rochester Foundation: 38-2627336
- Ascension St. John Foundation: 20-2961579
- Ascension St. Joseph Foundation: 01-0790428
- Ascension St. Mary's Foundation: 38-2246366
Missouri
- St. Joseph Medical Center Foundation, Inc.: 43-1388461
- St. Mary's Medical Center Foundation, Inc.: 43-1918107
Oklahoma
- St. John Health System Foundation, Inc.: 73-1133139
Tennessee
- Saint Thomas Health Foundations: 58-1663055
- Saint Thomas Rutherford Foundation: 62-1167917
Texas
- CMC Foundation of Central Texas: 20-0468031
- Providence Foundation, Inc.: 74-2683112
- Seton Hays Foundation: 26-2842608
- Seton Fund: 74-2212968
- Seton Williamson Foundation: 20-5330986
Washington D.C.
- Providence Health Foundation, Inc.: 52-1275583
Wisconsin
- Ascension All Saints Hospital Foundation: 39-1570877
- Ascension Columbia St. Mary's Foundation: 39-1494981
- Ascension Elmbrook Hospital Foundation: 39-1494981
- Ascension Franklin Hospital Foundation: 39-1494981
- Ascension Good Samaritan Hospital Foundation: 39-1627755
- Ascension Mercy Health Foundation: 23-7140261
- Ascension Sacred Heart St. Mary's Hospital Foundations: 39-1502353
- Ascension St. Elizabeth Hospital Foundation: 39-1256677
- Ascension St. Francis Hospital Foundation: 39-1494981
- Ascension St. Joseph Hospital Foundation: 39-1494981
- Ascension St. Michael's Hospital Foundation: 39-1657410
- Ascension Wisconsin Foundation: 39-1494981
- Howard Young Foundation: 39-1521169