| 2025 | Hursey Family Foundation | Talcott Mountain Science Center Avon, CT | D | $50,000 | paid | GENERAL CHARITABLE | 202522269349100607 |
| 2025 | The Petit Family Foundation Inc | Talcott Mountain Science Center for Student Involvement Inc Avon, CT | A | $11,000 | paid | PROGRAMS | 202641359349310424 |
| 2025 | Fidelity Investments Charitable Gift Fund | Talcott Mountain Science Center for Student Involv Avon, CT | A | $6,000 | paid | For grant recipient's exempt purposes | 202601389349301700 |
| 2025 | Northwest Community Bank Foundation Inc | Talcott Mountain Science Center for Student Involvement Inc Avon, CT | B | $2,000 | paid | Launch of Talcott Mountain Research Institute (TMRI) | 202601289349102255 |
| 2024 | Sandra & Arnold Chase Family Foundation Inc | Talcott Mountain Science Center & Academy Avon, CT | D | $100,000 | paid | TUITION ASSISTANCE FOR STUDENTS IN NEED | 202522279349100632 |
| 2024 | Sandra & Arnold Chase Family Foundation Inc | Talcott Mountain Science Center & Academy Avon, CT | D | $12,000 | paid | TUITION ASSISTANCE FOR STUDENTS IN NEED | 202522279349100632 |
| 2024 | The Goldman Sachs Charitable Gift Fund | Talcott Mountain Science Center for Student Involvement Inc Avon, CT | A | $10,000 | paid | EDUCATIONAL PROGRAMS & OTHER STUDENT SVC | 202511119349301416 |
| 2024 | Donor Advised Charitable Giving Inc | Talcott Mountain Science Center for Student Involvement Inc Avon, CT | A | $10,000 | paid | PUBLIC, SOCIETAL BENEFIT | 202541069349300729 |
| 2024 | Hursey Family Foundation | Talcott Mountain Science Center Avon, CT | D | $5,250 | paid | GENERAL CHARITABLE | 202442349349100204 |
| 2024 | The Vincent Dowling Family Foundation Inc | Talcott Mountain Science Center for Student Involv Avon, CT | C | $5,000 | paid | General & Unrestricted | 202533089349101603 |
| 2024 | Northwest Community Bank Foundation Inc | Talcott Mountain Science Center for Student Involvement Inc Avon, CT | B | $4,000 | paid | Inspiring Innovation with Camp Invention | 202500789349100410 |
| 2023 | Sandra & Arnold Chase Family Foundation Inc | Talcott Mountain Science Center & Academy Avon, CT | D | $100,000 | paid | TUITION ASSISTANCE FOR STUDENTS IN NEED | 202422289349100637 |
| 2023 | The Maximilian E and Marion O Hoffman Foundation Inc | Talcott Mountain Science Center for Student Involvement Avon, CT | B | $15,000 | paid | GENERAL | 202343139349101034 |
| 2023 | Hartford Foundation for Public Giving | Talcott Mountain Science Center Avon, CT | A | $10,000 | paid | EDUCATION | 202403199349307870 |
| 2023 | Northwest Community Bank Foundation Inc | Talcott Mountain Science Center Avon, CT | D | $10,000 | paid | Capacity building | 202401769349100620 |
| 2023 | Hartford Foundation for Public Giving | Talcott Mountain Science Center Avon, CT | A | $8,079 | paid | SCHOLARSHIPS | 202403199349307870 |
| 2023 | Schwab Charitable Fund | Talcott Mountain Science Center for Student Involvement Inc Avon, CT | A | $6,000 | paid | PUBLIC, SOCIETAL BENEFIT | 202411039349301716 |
| 2023 | Mr Metzger Family Foundation Inc | Talcott Mountain Science Center Avon, CT | D | $6,000 | paid | EDUCATIONAL | 202432899349100513 |
| 2023 | The Vincent Dowling Family Foundation Inc | Talcott Mountain Science Center for Student Involv Avon, CT | C | $5,000 | paid | General & Unrestricted | 202423189349101437 |
| 2022 | Sandra & Arnold Chase Family Foundation Inc | Talcott Mountain Science Center & Academy Avon, CT | D | $250,000 | paid | SUPPORT OF STUDENT SCHOLARSHIPS | 202322279349100707 |
| 2022 | Sandra & Arnold Chase Family Foundation Inc | Talcott Mountain Science Center & Academy Avon, CT | D | $100,000 | paid | SUPPORT OF STUDENT SCHOLARSHIPS | 202322279349100707 |
| 2022 | Northwest Community Bank Foundation Inc | Talcott Mountain Science Center Avon, CT | D | $15,000 | paid | Education and equipment | 202320949349100122 |
| 2022 | Hartford Foundation for Public Giving | Talcott Mountain Science Center Avon, CT | A | $7,652 | paid | SCHOLARSHIPS | 202342909349300634 |
| 2022 | Mr Metzger Family Foundation Inc | Talcott Mountain Science Center Avon, CT | D | $6,000 | paid | EDUCATIONAL | 202343009349100704 |
| 2022 | Amazonsmile Foundation | Talcott Mountain Science Center for Student Involvement Inc Avon, CT | B | $290 | paid | GENERAL SUPPORT | 202313119349100141 |
| 2021 | Sandra & Arnold Chase Family Foundation Inc | Talcott Mountain Science Center & Academy Avon, CT | D | $100,000 | paid | SUPPORT OF STUDENT SCHOLARSHIPS | 202242279349100719 |
| 2021 | The Bank of America Charitable Foundation Inc | Talcott Mountain Science Center Fo Avon, CT | D | $50 | paid | OPERATIONAL SUPPORT | 202221309349101737 |
| 2020 | Sandra & Arnold Chase Family Foundation Inc | Talcott Mountain Science Center & Academy Avon, CT | D | $60,000 | paid | TO PROVIDE SCHOLARSHIPS | 202112289349100641 |
| 2020 | Hartford Foundation for Public Giving | Talcott Mountain Science Center Avon, CT | A | $14,500 | paid | EDUCATION | 202123149349301117 |
| 2020 | Combined Jewish Philanthropies of Greater Boston Inc | Talcott Mountain Science Center for Student Involvement Inc Avon, CT | A | $10,890 | paid | DAF - Education | 202141249349301979 |
| 2020 | The Vincent Dowling Family Foundation Inc | Talcott Mountain Science Center for Student Involv Avon, CT | C | $10,000 | paid | General & Unrestricted | 202103189349100675 |
| 2020 | Hartford Foundation for Public Giving | Talcott Mountain Science Center Avon, CT | A | $7,475 | paid | SCHOLARSHIP | 202123149349301117 |
| 2020 | Mr Metzger Family Foundation Inc | Talcott Mountain Science Center Avon, CT | D | $5,000 | paid | EDUCATIONAL | 202111969349100226 |
| 2020 | Chubb Charitable Foundation | Talcott Mountain Science Center for Student Involvement Inc Avon, CT | B | $3,000 | paid | Matching Gifts | 202220129349100907 |
| 2020 | Amazonsmile Foundation | Talcott Mountain Science Center for Student Involvement Inc Avon, CT | B | $221 | paid | GENERAL SUPPORT | 202113199349100901 |
| 2019 | Sandra & Arnold Chase Family Foundation Inc | Talcott Mountain Science Center & Academy Avon, CT | D | $40,000 | paid | TO PROVIDE SCHOLARSHIPS | 202042309349100434 |
| 2019 | The Bank of America Charitable Foundation Inc | Talcott Mountain Science Center for Avon, CT | D | $100 | paid | PROGRAM/OPERATING SUPPORT | 202001499349100200 |
| 2019 | The Bank of America Charitable Foundation Inc | Talcott Mountain Science Center for Avon, CT | D | $100 | paid | PROGRAM/OPERATING SUPPORT | 202001499349100200 |
| 2018 | Hartford Foundation for Public Giving | Talcott Mountain Science Center Avon, CT | A | $16,500 | paid | SUMMER PROGRAMS EDUC'N PREK-12 | 201921159349301762 |
| 2018 | The Petit Family Foundation Inc | Talcott Mountain Science Center Avon, CT | A | $12,669 | paid | PROGRAMS | 201921359349307832 |
| 2018 | Hartford Foundation for Public Giving | Talcott Mountain Science Center Avon, CT | A | $7,264 | paid | EDUCATION SCHOLARSHIP | 201921159349301762 |
| 2018 | Sandra & Arnold Chase Family Foundation Inc | Talcott Mountain Science Center & Academy Avon, CT | D | $5,000 | paid | TO SEND TALCOTT MOUNTAIN STUDENTS TO THE NATIONAL INVENTION CONVENTION AND ENTREPRENEURSHIP EXPO | 201930459349100518 |
| 2018 | Mr Metzger Family Foundation Inc | Talcott Mountain Science Center Avon, CT | D | $5,000 | paid | EDUCATIONAL | 201922889349100042 |