| Name | Deductibility Code |
| Alamo Indianolia Magnolia Beach Community Organization | -- |
| Alice Wasserman Library Tr No 185 | 4 |
| Calhoun County Band Boosters | 4 |
| Calhoun County Community Ministries | -- |
| Calhoun County Crime Stoppers Inc. | -- |
| Calhoun County Economic Development Corporation | -- |
| Calhoun County Elementary Principals Association | 5 |
| Calhoun County Fair Association | -- |
| Calhoun County Humane Society | -- |
| Calhoun County Medical Foundation | -- |
| Calhoun County Senior Citizens Association Inc. | -- |
| Calhoun County Taxpayers League Inc. | -- |
| Calhoun County Youth Rodeo Association | -- |
| Carancahua Bay Protection Association Inc. | 4 |
| Child Welfare Alliance of Calhoun County Inc. | -- |
| Church in Port Lavaca | -- |
| Comfort Community Church | -- |
| Contractors Safety Council of the Texas Mid-Coast Inc. | -- |
| Education Foundation of Calhoun County Inc. | -- |
| First United Methodist Church Maintenance Tr | 4 |
| Formosa Plastics Corp Texas-Calhoun High School Scholarship Fdn Inc. | 4 |
| Formosa Plastics Environmental Endowment Fund Tr Account | 4 |
| Formosa Plastics Memorial Medical Center Tr No 184 | 4 |
| Formosa Plastics Religious Trust No 183 | 4 |
| Friends of the Calhoun County Museum | -- |
| Hardhead Derby | -- |
| Interfaith Christians Assisting in Recovery and Empowerment | -- |
| Jackson Roosevelt Choir Booster | -- |
| Junior Service League of Port Lavaca | -- |
| Keep Calhoun County Beautiful | -- |
| Lewis R & Juaniece Madden Foundation | 4 |
| Louise S and W H Bauer Charitable Endowment Trust | 4 |
| Olivia Cemetery Association | 6 |
| Pilgrims Christian Church | -- |
| Port Lavaca Cemetery Association | 6 |
| Port Lavaca Mainstreet Inc. | -- |
| Shorline Enhancement Association | -- |
| Six Mile Cemetery Association Trust | 6 |
| Six Mile Community Volunteer Fire Department | -- |
| Temple of Faith | -- |
| The Port Lavaca Art Guild Inc. | -- |
| The Port Lavaca Volunteer Fire Department Inc. | -- |
| Travis Middle School Parent Teacher Organization Inc. | -- |
| United Way of Calhoun County | -- |