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| 0781-1078 | Atenolol | Atenolol | Sandoz Inc | ANDA | Current |
| 0781-5220 | Atenolol | Atenolol | Sandoz Inc | ANDA | Current |
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| 64205-078 | Atenolol | Atenolol | ReadyMeds | ANDA | Current |
| 66267-030 | Atenolol | Atenolol | NuCare Pharmaceuticals, Inc. | ANDA | Current |
| 66267-030 | Atenolol | Atenolol | NuCare Pharmaceuticals, Inc. | ANDA | Current |
| 67544-161 | Atenolol | Atenolol | Aphena Pharma Solutions - Tennessee, LLC | ANDA | Current |
| 67544-161 | Atenolol | Atenolol | Aphena Pharma Solutions - Tennessee, LLC | ANDA | Current |
| 68788-7368 | Atenolol | Atenolol | Preferred Pharmaceuticals Inc. | ANDA | Current |
| 68788-7368 | Atenolol | Atenolol | Preferred Pharmaceuticals Inc. | ANDA | Current |
| 70934-457 | Atenolol | Atenolol | Denton Pharma, Inc. DBA Northwind Pharmaceuticals | ANDA | Current |
| 70934-457 | Atenolol | Atenolol | Denton Pharma, Inc. DBA Northwind Pharmaceuticals | ANDA | Current |
| 76413-140 | Atenolol | Atenolol | Central Texas Community Health Centers | ANDA | Current |