| Name | Address, Zip |
| Capital Area Activities Conference Inc | 1001 S Barnes Rd, 48854 |
| Alaiedon Elementary School Pto | 1723 Okemos Rd, 48854-9401 |
| Association For Supervision And Curriculum Development | 1980 N College Rd, 48854-9348 |
| Michigan Elementary And Middle School Principals Assoc | 1980 N College Rd, 48854-9348 |
| Mason Area Chamber Of Commerce Hometown Champions Fund | 148 E Ash St, 48854-1646 |
| Michigan Assessment Consortium Inc | 1980 N College Rd, 48854-9348 |
| Mason Athletic Booster Club | 1001 S Barnes St, 48854-1949 |
| North Aurelius Elementary School Parent Teacher Organization | 115 N Aurelius Rd, 48854-9552 |
| Parent Booster Usa Inc | 3151 S Edgar Rd, 48854-9217 |
| Harvey Education Center Parent Teacher Organization | 400 S Cedar St, 48854-1437 |
| Don Fackler Memorial Scholarship Fund | 409 S Park St, 48854-1660 |
| Steele Elementary Pto | 531 Steele St, 48854-1950 |
| Sprout Well Foundation | 1980 N College Rd, 48854-9348 |
| Glav Foundation | 659 Aviation Dr, 48854-9298 |
| The Mason Rotary Foundation | Po Box 101, 48854-0101 |
| Memspa Foundation Inc | 1980 N College Rd, 48854-9348 |
| Friends Of The Mason Library | 145 W Ash St, 48854-1647 |
| Garden Of Hope Scholarship | 193 Lake Ridge Dr, 48854-8328 |
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