| Name | Deductibility Code |
| El Gran Mandamiento Inc. | 4 |
| Fortnightly Study Club Charitable Fund | -- |
| John Middleton Memorial & Scholarship Committe Inc. | -- |
| Merkel Association for Progress Inc. | -- |
| Merkel Cemetery Association | 6 |
| Merkel Community Chest | -- |
| Merkel Emergency Medical Service Association | -- |
| Merkel Historical Society | -- |
| Merkel Volunteer Fire Department | -- |
| Mulberry Canyon Volunteer Fire Department | -- |
| President of Sonrise Ministries | -- |
| The New Testament Church at Merkel | -- |
| Thru the Fire Ministries Inc. | -- |