| Name | Deductibility Code |
| Association of College Counselors in Independent Schools Inc. | -- |
| Brian C Kane Scholarship Fund | -- |
| British School at Athens Foundation | -- |
| Cape C A R E S | -- |
| Capital Network of New England Inc. | -- |
| Childrens Center at Groton Inc. | -- |
| Dr Mary McLeod Bethune Institute for Young Women Inc. | -- |
| Foundation for the Seventh Fire | 4 |
| Friends of Ladders Inc. | -- |
| Goal Setting Institute for Youth - - - A Nonprofit Corporation | -- |
| Groton Center for the Arts Inc. | -- |
| Groton Community Foundation | -- |
| Groton Community School Inc. | -- |
| Groton Conservation Trust | -- |
| Groton Dunstable Alliance for Youth | -- |
| Groton Dunstable Athletic Booster Club Inc. | -- |
| Groton Dunstable Education Foundation Inc. | -- |
| Groton Dunstable Fall Football and Cheerleading Club Inc. | -- |
| Groton Film Society Inc. | -- |
| Groton Historical Society | -- |
| Groton Lakes Association Inc. | -- |
| Groton Land Foundation Inc. | -- |
| Groton Local Association Inc. | -- |
| Groton Public Library Endowment Tr | -- |
| Groton Regoional Youth Hockey Association Inc. | -- |
| Groton School | -- |
| Groton Summer Theatre | -- |
| Groton-Dunstable Regnl School Dist Special Ed Parnts Advsry Cncl Inc. | -- |
| Groton-Dunstable Science Technology Engineering & Math Foundation Inc. | -- |
| Groton-Dunstable Youth Basketball League Inc. | -- |
| Groton-Dunstable Youth Soccer Club Inc. | -- |
| Institute for Laboratory Automation Inc. | -- |
| Janet and Robert Weber Family Foundation Inc. | 4 |
| John W Worley Ministries Inc. | -- |
| Mass Bay Girls Lacrosse League Inc. | -- |
| Massachusetts Premier League Inc. | -- |
| Nashoba Valley Chorale Inc. the | -- |
| Nashoba Valley Ems Inc. | -- |
| Nashua River Watershed Association Inc. | -- |
| One Giant Leap Inc. | -- |
| Pages for Peace Foundation | -- |
| Sawtell School Fund | -- |
| Sophia Foundation | -- |
| The Naduse Foundation | 4 |
| Trustees of the Lawrence Academy at Groton | -- |
| Tyler Foundation Incorporated | -- |
| Webber Family Foundation Inc. | 4 |
| Wildlife Rehabilitators Association of Massachusetts Inc. | -- |