| Name | Deductibility Code |
| Association of Artists and Craftsmen of Porter County Incorpo | -- |
| Brummitt Elementary Pto | -- |
| Chesterton Economic Development Company Inc. | -- |
| Chesterton High School Football Boosters | -- |
| Chesterton High School Music Boosters Association | -- |
| Chesterton Junior Womens Club Inc. | -- |
| Chesterton Montessori Inc. | -- |
| Coffee Creek Watershed Conservancy Inc. | 3 |
| Colina Alta Ministries Inc. | -- |
| Duneland Building Trades Corp | -- |
| Duneland Economic Development Company Inc. | -- |
| Duneland Extreme Sports Park Club Inc. | -- |
| Duneland Flyers Inc. | -- |
| Duneland Historical Society Incorporated | -- |
| Duneland School Foundation Inc. | -- |
| Duneland School of Emergency Responses Inc. | -- |
| Duneland Soccer Club Inc. | -- |
| Duneland United Churches Resale Inc. | -- |
| Duneland YMCA Inc. | -- |
| Exceptional Equestrians Unlimited Inc. | -- |
| Fair Play Youth Sports Organization | -- |
| First Baptist Church of Chesterton | -- |
| Flora Richardson Foundation Inc. | 4 |
| Friends of Porter Inc. | -- |
| Frontline Foundations Inc. | -- |
| Hannah Missionary Center | -- |
| Humane Society of the Dunes Inc. | -- |
| Indiana Breaker Youth Athletics Inc. | -- |
| Indiana Dunes Environmental Learning Centet Inc. | -- |
| Indiana Percussion Association Inc. | -- |
| Jackson-Liberty School Building Corporation | 6 |
| Liberty Rec League Inc. | -- |
| Liberty Township Volunteer Fire Dept Inc. of Porter County | -- |
| Loving House Project Inc. | -- |
| Military Heros Foundation Inc. | -- |
| New Hope for Bosnia Inc. | -- |
| North Coast Cultural Association Inc. | -- |
| Northwest Indiana Migratory Bird Association Incorporated | -- |
| Northwest Indiana Pipes and Drums Inc. | -- |
| Northwest Indiana Steel Heritage Project Inc. | -- |
| Oasis Community Church of Chesterton Incorporated | -- |
| Porter County Humane Society Inc. | -- |
| Rebuilding Together Duneland Inc. | -- |
| Santas Shows Inc. | -- |
| St. Ann of the Dunes Society Inc. | -- |
| St. Elizabeth Orthodox Church Inc. | -- |
| Step by Step Ministries Inc. | -- |
| Trojan Basketball Club Inc. | -- |
| Veterans Memorial Committee Inc. | -- |
| Westchester Neighborhood Food Pantry Inc. | -- |