EXHIBIT 21
Subsidiaries of Atrion Corporation
As of December 31, 2022
| Subsidiary |
| State of Incorporation |
| Ownership |
| |
| Atrion Medical Products, Inc. |
| Delaware |
|
| 100 | % |
| Halkey-Roberts Corporation |
| Delaware |
|
| 100 | % |
| Quest Medical, Inc. |
| Texas |
|
| 100 | % |
| AlaTenn Pipeline Company LLC |
| Alabama |
|
| 100 | % |
| Atrion Leasing Company LLC |
| Alabama |
|
| 100 | % |