| Name | Deductibility Code |
| Academy of Competitive Excellence Inc. | -- |
| Broad Horizons Inc. | -- |
| Calumet Astronomical Society Inc. | -- |
| Calumet Community Church Inc. | -- |
| Community Connection of Northwest Indiana | -- |
| Davids Little Lambs Infant and Child Care Center Inc. | -- |
| Griffith Emergency Fund Inc. | -- |
| Griffith Historical Society Inc. | -- |
| Griffith Izaak Walton Conservation Lands | -- |
| Griffith Public Schools Educational Foundation Inc. | -- |
| Griffith Public Works Building Corporation | 6 |
| Hammond Rollin Hoosiers | -- |
| Indiana Grand Kankakee Marsh Restoration Project Inc. | -- |
| Indiana Wildlife Artists C/O Rose Johns | -- |
| Lake Area United Way Inc. | -- |
| Little League Baseball Inc. | -- |
| Livearts Studio Inc. | -- |
| Northwest Indiana Genealogical Society Inc. | -- |
| Pantheon Corporation of Indiana | 4 |
| Park and Recreation Board of Griffith Indiana Trust | -- |
| Reeds Temple Church of God and Christ | -- |
| Regional Emergency Medical Services Inc. | -- |
| Repairer of the Breach Ministries Incorporated | -- |
| South Shore Dance Alliance Inc. | -- |
| St. Timothys Episcopal Church | -- |