| Name | Deductibility Code |
| 201 Middlesex Street Transitional Housing and Education Trust Inc. | -- |
| 5th Mass Battery E Light Artillery Army of Potomac Inc. | -- |
| Alice M Barrows Parent-Teachers Organization | -- |
| American Friends of Holistic Healing Inc. | -- |
| Atrial Fibrilation Foundation | -- |
| Beacon Fellowship Church | -- |
| Birch Meadow Parent Teacher Organization Inc. | -- |
| Bishopaccountability Org Inc. | -- |
| Care & Counsel International Inc. | -- |
| Casey-Girl Foundation Inc. | -- |
| Chlotrudis Awards | -- |
| Colonial Chorus Inc. | -- |
| Communication Alliance to Network Throughbred Ex-Racehorses of N E | -- |
| Coolidge Middle School Pto Inc. | -- |
| Coolidge School Science Olympiad | -- |
| Creative Arts for Kids Inc. | -- |
| East Middlesex Association for Retarded Citizens Inc. | -- |
| Father John Danylevich Foundation Inc. | -- |
| Friends of Reading Athletics Inc. | -- |
| Friends of Reading Hockey Inc. | -- |
| Friends of Reading Recreati0n Incorporated | -- |
| Friends of Reading Tennis | -- |
| Friends of Reading Wrestling Inc. | -- |
| Friends of the Reading Public Library Inc. | -- |
| Hansa Foundation Inc. | 4 |
| Harpley Foundation Tr | 4 |
| Hopkins Street Housing Corporation | -- |
| Italian-American Charitable Society Inc. | -- |
| J W Killam Parent Teacher Organization Inc. | -- |
| Jason Hayes Foundation | 4 |
| Jennifer Direeno What If Foundation Inc. | -- |
| John J McArdle III and Joan Creamer McArdle Foundation | 4 |
| Joshua-Eaton School Parent Teachers Organization Inc. | -- |
| Kevin M & Debra L Frazier Foundation | 4 |
| Kids and K9 Assist Inc. | -- |
| Logan Airport Association Inc. | -- |
| Logan Airport Scholarship Trust Inc. | -- |
| Mars Institute | -- |
| Massachusetts State Association of the Deaf Inc. | -- |
| Master Sports | -- |
| Mission of Deeds Inc. | -- |
| North American Membrane Society Inc. | -- |
| Patrons for Older Adults Inc. | -- |
| Quannapowitt Players Inc. | -- |
| Rcb Charitable Foundation Inc. | 4 |
| Reading Antiquarian Society | -- |
| Reading Art Assoc Inc. | -- |
| Reading Babe Ruth League Inc. | -- |
| Reading Baseball Club Inc. | -- |
| Reading Boosters Club Inc. | -- |
| Reading Clergy Association | -- |
| Reading Clock & Bell Fund Inc. | -- |
| Reading Community Singers | -- |
| Reading Community Television Inc. | -- |
| Reading Extended Day Activities Program Inc. | -- |
| Reading Ice Arena Authority Inc. | -- |
| Reading Lacrosse Association | -- |
| Reading Memorial High School Athletic Hall of Fame Inc. | -- |
| Reading Memorial High School Band Parents Organization | -- |
| Reading Montessori School | -- |
| Reading Open Land Trust Inc. C/O Henry W Fienemann | -- |
| Reading Parents Supporting Student Theatre Inc. | -- |
| Reading Public Library Foundation Inc. | -- |
| Reading Residential Programs Inc. | -- |
| Reading Scholarship Foundation Inc. | -- |
| Reading Symphony Orchestra Inc. | -- |
| Reading Technology and Education Foundation Inc. | -- |
| Reading Youth Hockey Association Inc. | -- |
| Regional Educational Ventures | -- |
| Samanthas Harvest Company Inc. | -- |
| Saugus Public Library Foundation Inc. | -- |
| Society for Chinese Instrumental Music Inc. | -- |
| Square Dance Foundation of New England Inc. | -- |
| Tatra Foundation for Music Inc. | 4 |
| The Bruce and Barbara Austin Family Foundation | 4 |
| The Marshall Foundation Inc. | 4 |
| Understanding Disabilities Inc. | -- |
| United Church Homes of Reading Inc. | -- |
| Voter Information Services Inc. | -- |
| Walter S Parker Middle School Pto | -- |
| Wood End Elementary School Parent Teacher Organization Inc. | -- |
| Young Womens League of Reading Inc. | -- |
| Youth Baseball of Reading Inc. | -- |