| Name | Deductibility Code |
| 2nd US Infantry | 4 |
| A Circle of Friends Inc. | -- |
| Aiki Martial Arts Institute | -- |
| Albert Cesky Scholarship Fund Inc. | -- |
| Albert P Close Foundation Inc. | -- |
| Allen & Linda Shatto Veterans Center Inc. | 6 |
| American First Day Cover Society Inc. | -- |
| American Holistic Veterinary Medical Association Foundation | -- |
| American Veterinary Holistic Medical Association Inc. | -- |
| Arrow of Life Corporation | -- |
| Association of the Volunteer Fire and Emergency Medical Services of | -- |
| Bar Foundation of Harford County Maryland Inc. | -- |
| Bel Air Aquatic Club-Parents Organization | -- |
| Bel Air Downtown Alliance Inc. | -- |
| Bel Air High School Chemical Free Events Inc. | -- |
| Bel Air Independence Day Committee Incorporated | -- |
| Bel Air Recreation Committee Inc. | -- |
| Bel Air Rotary Foundation Inc. | -- |
| Bel Air Womans Club Inc. | -- |
| Bike for Breast Cancer Inc. | -- |
| Birthright Pregnancy Aid Center of Harford County Inc. | -- |
| Blessed Hope Baptist Church | -- |
| Bowes Foundation Inc. | 4 |
| Bridge Fellowship Inc. | -- |
| Catholic Faith Alive Incorporated | -- |
| Cedar Lane Sports Foundation Inc. | -- |
| Celtic Rein Equine Rescue and Sanctuary Inc. | -- |
| Center for Career Changers to the Classroom | -- |
| Center for the Visual and Performing Arts Inc. | -- |
| Charlie Riley Community Service Scholarship Foundation Inc. | -- |
| Chesapeake Cancer Alliance Inc. | -- |
| Children of Zion of Maryland Inc. | -- |
| Christ Fellowship Church Inc. | -- |
| Christian Service Center | -- |
| Churchville Lightning Girls Softball Inc. | -- |
| Coast Defense Study Group | -- |
| Community Behavorial Services Inc. | -- |
| Community Chorus of Overlea and Perry Hall Incorporated | -- |
| Community Foundation of Harford County Inc. | -- |
| Companion Animal Parasite Council Inc. | 4 |
| Concerts for Kids and Causes Inc. | -- |
| Court Appointed Special Advocate Casa of Harford County Inc. | -- |
| Covenant Baptist Church of Baltimore County | -- |
| Deaf Education Advancement Foundation Inc. | -- |
| Deer Creek Chorale | -- |
| Eamonn J Gordon Scholarship Fund Inc. | -- |
| Ecumenical Communities of Harford County Inc. | -- |
| Elaine G Nichols Foundation Inc. | 4 |
| Emmorton Recreation Council Inc. | -- |
| Empty Stocking Fund Inc. | -- |
| Equal Employment Opportunity Network Eeon Inc. | -- |
| Faith Communities and Civic Agencies United | -- |
| Fallston Hero Scholarship Inc. | -- |
| Fitchett-Stick Foundation Inc. | 4 |
| Friends of Bel Air Soccer Inc. | -- |
| Friends of Harford County Child Advocacy Center Inc. | -- |
| George W Apostol Memorial Fund Inc. | -- |
| Geriatric Assistance & Information Network Inc. | -- |
| Gods Full Council Ministries Incorporated | -- |
| Grailnet Inet | -- |
| Greater Bel Air Community Foundation Inc. | -- |
| Greater Harford Soccer Park Inc. | -- |
| Harford Artists Association Inc. | -- |
| Harford Business Roundtable for Education Inc. | -- |
| Harford Choral Society Inc. | -- |
| Harford Community College Foundation Inc. | -- |
| Harford Community Tennis Association Inc. | -- |
| Harford County Chamber of Commence Education Foundation Inc. | -- |
| Harford County Crime Solvers Inc. | -- |
| Harford County Deputy Sheriffs Benevolent Fund Inc. | -- |
| Harford County Education Society | -- |
| Harford County Farm Fair Inc. | -- |
| Harford County Piano Teachers Association Inc. | -- |
| Harford County Radio Control Modelers Club | -- |
| Harford County Student Trades Foundation Inc. | -- |
| Harford Glen Foundation Inc. | -- |
| Harford Photographic Arts Society | -- |
| Harford Renegades Inc. | -- |
| Harford Research Institute Incorporated | -- |
| Harford Senior Housing II Inc. | -- |
| Harford United Charities Inc. | -- |
| Harmony Missionary Baptist Church Inc. | -- |
| Haron Dahan Foundation Inc. | 4 |
| Harvest Chapel Mission Inc. | -- |
| Hickory Recreational Council Incorporated | -- |
| Highlands School Foundation Inc. | -- |
| Highlands School Inc. | -- |
| Historical Society of Harford County Inc. | -- |
| Homecoming Project | -- |
| Hot Spots Extended Care Programs Inc. | -- |
| Insurance Society of Baltimore Inc. | -- |
| Izaak Walton League of America Harford County Chapter | -- |
| James D and Lorayne D Thornton Foundation | 4 |
| James Run Christian Academy | -- |
| Jane M Johnston Foundation | -- |
| Jpm Ministries | -- |
| Kenneth and Patricia Perluke Foundation Inc. | 4 |
| Lasos | -- |
| Life Link Institute Inc. | 4 |
| Lighthouse Christian Assembly Inc. | -- |
| Lions Association for Sight & Hearing of Maryland Inc. | -- |
| Love Box Ltd. | -- |
| Lower Susquehanna Heritage Greenway Inc. | -- |
| Mann House Inc. | -- |
| Maryland and Pennsylvania Railroad | -- |
| Maryland Child Advocacy Center Alliance Inc. | -- |
| Maryland Conservatory of Music Inc. | -- |
| Maryland Racing Media Charitable Foundation Inc. | -- |
| Matt Keesey Memorial Foundation Inc. | -- |
| Mbi and Inc. | -- |
| Monroe S Johnson Memorial Scholarship Fund | 4 |
| Mountain View Bible Camp for Children Inc. | -- |
| Mullen Andersen Childrens Foundation and Trust | 4 |
| Mustangs Boosters Inc. | -- |
| Next Step Christian Center | -- |
| Nicole Van Horn Trust Fund Inc. | -- |
| Office of Mental Health Core Service Agency of Hartford Co Inc. | -- |
| Patrick Hart Foundation Inc. | 4 |
| Paws for Life Inc. A New Corp | -- |
| Phoenix Players Inc. | -- |
| Poets Athletic Club Inc. | -- |
| Polish Christian Ministries | -- |
| Praising Through Recovery Inc. | -- |
| Rainbow Tails | -- |
| Rainbow Tails | -- |
| Rebelz All Stars of Harford County | -- |
| Redeemers Fellowship Inc. | -- |
| Ricky Riggs Memorial Foundation Inc. | -- |
| Rockfield Foundation Incorporated | -- |
| Royal Equine Rescue and Sanctuary Inc. | -- |
| Save Our Souls Foundation | -- |
| Sexual Assault Spouse Resource Center Inc. | -- |
| Sigma Delta Kappa Law Foundation Inc. | -- |
| Sigma XI - Belvoir Chapter of the Scientific Research Society | -- |
| Society for the Prevention of Cruelty to Animals of Harford Co I | -- |
| Society of Mayflower Descendants in the State of Maryland | -- |
| Southampton Middle School Pto | -- |
| Sparrow House Inc. | -- |
| St. Matthew Cooperative Nursery | -- |
| Tee by 2 Charity Foundation of Maryland | -- |
| The Annie Cumpston Scholarship Trust | -- |
| The Liriodendron Foundation Inc. | -- |
| The Ma and Pa Heritage Trail Inc. | -- |
| Times Community Services Incorporated | -- |
| Tommy Hope Inc. | -- |
| Totally Twirlin Parent Association Inc. | -- |
| Upper Chesapeake Health Foundation Inc. | -- |
| Upper Chesapeake Medical Center Inc. | -- |
| Upper Chesapeake Medical Center Volunteer Services Association | -- |
| Upper Chesapeake Medical Services Inc. | -- |
| Upper Chesapeake Soccer Club | -- |
| Uss Dayton Cl-105 Reunion Association | 6 |
| Uss Forrest Sherman Dd-931 Foundation Inc. | -- |
| Volunteer Firemens Association of Harford and Cecil Counties Inc. | -- |
| Way of Life Community Church Inc. | -- |
| Whiskers Inc. | -- |
| Wiessner Foundation for Children Inc. | 4 |
| Winds of Leadership Inc. | -- |
| Yogy Bears Baseball Inc. | -- |
| Zebra Kids Inc. | -- |