| Name | Deductibility Code |
| 1st Kids Inc. | -- |
| AA and K J Zdanowicz Foundation Inc. | 4 |
| Abdominal Cancer Connection | -- |
| Adopt-A-People Clearinghouse Inc. | -- |
| Al Anon Family Groups Indiana Assembly Corp | -- |
| American Museum of Military Vehicles Inc. | -- |
| Anthony Kinkade Scholarship Foundation Inc. | 4 |
| Aquatics Underwater Recovery and Rescue Unit Inc. | -- |
| Avicenna Academy Inc. | -- |
| Blake Farrell Memorial Fund Inc. | -- |
| C P Bulldog Quarterbach Club Inc. | -- |
| Calumet Regional Science Fair and Associated Art Exhibit Incorporate | -- |
| Catholic Charities of the Diocese of Gary Inc. | -- |
| Cedar Lake Town Hall Building Corporation | 6 |
| Child Care Professional Network Inc. | -- |
| Childrens Tree House Inc. | -- |
| Christians Sword of the Spirit Ministries | -- |
| Christmas in September-Lake County Indiana Inc. | -- |
| Cross of Christ Lutheran Church Inc. | -- |
| Crown Point 4th of July Celebration Committee Inc. | -- |
| Crown Point Adult Learning Center Literacy Fund Inc. | -- |
| Crown Point Babe Ruth League Inc. | -- |
| Crown Point Bandboosters Assn | -- |
| Crown Point City Building Corporation | 6 |
| Crown Point Commemorative Committee Inc. | -- |
| Crown Point Community Foundation Inc. | -- |
| Crown Point Community Theatre | -- |
| Crown Point Girls Softball League Inc. | -- |
| Crown Point Jr Bulldog Cheerleaders | -- |
| Crown Point Karate Booster Club | -- |
| Crown Point Panthers Inc. | -- |
| Crown Point Pups Basketball Inc. | -- |
| Crown Point Swim Club Inc. | -- |
| Crown Point Town and Country Christian Church Inc. | -- |
| Crown Point Volunteer Fire Department Inc. | 6 |
| Crown Point Youth Soccer Club | -- |
| Cwaan Inc. | -- |
| Drew Knipper Memorial Foundation Inc. | -- |
| Eisenhower Elementary School Parent Teach Organization | -- |
| Environment Law and Economics Institute Ltd. | -- |
| Free Spirit Interfaith Church | -- |
| Friends of the Lake County Casa Inc. | -- |
| Friends of the Veterans Memorial Parkway Inc. | -- |
| Gandhi Medical College Global Alliance Inc. | -- |
| Greyhound Guardians Inc. | -- |
| Hammond Babe Ruth League | -- |
| Healing Streams Oasis Charismatic Church | -- |
| Healing With Harmony Inc. | -- |
| Hispanic Organization Promoting Excellence H O P E | -- |
| Hyles-Anderson College Inc. | -- |
| Innocent Man Walking | -- |
| Inpact Inc. | -- |
| Iron Horse Therapuetic Riding Center | -- |
| Kv Works Inc. | -- |
| Lake County Fire Chiefs Association Inc. | -- |
| Lake County Historical Society Inc. | -- |
| Lake Court House Foundation Inc. | -- |
| Lake Heritage Parks Foundation Inc. | -- |
| Lake Region Christian Assembly | -- |
| Lake Street Elementary School Pto | -- |
| Lakes of the Four Seasons Volunteer Fire Force | -- |
| Lakes of the Four Seasons-Winfield Youth Baseball Inc. | -- |
| Legal Secretaries of Lake County | -- |
| Li Tier Incorported | -- |
| Lionheart Ministries International Inc. | -- |
| Living Stones Fellowship Church Inc. | -- |
| Living Temple | -- |
| Louis A Maple Foundation | 4 |
| Lutheran Home Services & Mission Outreach Inc. | -- |
| Maap Services Inc. | -- |
| Macedonia 2025 | -- |
| McNeil Regional Community Development Corp | -- |
| Memorial Foundation Inc. of Crown Point Ind | -- |
| Memorial Opera House Foundation Inc. | -- |
| Merrillville Babe Ruth Inc. | -- |
| Midwest Weightlifiting Inc. | -- |
| New Kingdom Harvest Ministries Inc. | -- |
| Northwest Indiana Community Action Corp | -- |
| Offender Re-Entry and Community Assistance Inc. | -- |
| Old Homestead Preservation Society Inc. | -- |
| Old Sheriffs House Foundation Incor | -- |
| Oral Health Foundation for Zambia | -- |
| Pink Ribbon Society | -- |
| Porter County Association for Handicapped Children and Adults in | -- |
| Rebuilding the Breach Ministries Inc. | -- |
| Redeemed Christian Church of God Favour Sanctuary | -- |
| Resurrection House | -- |
| Samuel Van Til Charitable Foundation | 4 |
| Sikh Religious Society of Indiana Inc. | -- |
| South Lake County Agricultural Historical Society Inc. | -- |
| South Lake County Community Services Inc. | -- |
| Southlake Childrens Choir Inc. | -- |
| Southlake Christian Church | -- |
| Southlake Young Mens Christian Association Inc. | -- |
| Spoken for Ministries Inc. | -- |
| St. Jude House Inc. | -- |
| Stelo Foundation | -- |
| Summer Program for the Handicapped Inc. | -- |
| The Stewards of the Square Inc. | -- |
| Thechristianleader-Org | -- |
| Timothy Ball Elementary School Parent Teacher Organization | -- |
| Vital Injection Inc. | -- |
| Winfield Jerry Ross Elementary Schools Parent Teacher Organizatn | -- |
| Wittenberg Lutheran Village Endowment Corporation | -- |
| Wittenberg Lutheran Village Inc. | -- |
| Write-On Hoosiers Inc. | -- |