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| 0781-1507 | Atenolol | Atenolol | Sandoz Inc | ANDA | Current |
| 0781-5229 | Atenolol | Atenolol | Sandoz Inc | ANDA | Current |
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| 50090-2760 | Atenolol | Atenolol | A-S Medication Solutions | ANDA | Current |
| 67544-332 | Atenolol | Atenolol | Aphena Pharma Solutions - Tennessee, LLC | ANDA | Current |
| 67544-332 | Atenolol | Atenolol | Aphena Pharma Solutions - Tennessee, LLC | ANDA | Current |
| 68071-3224 | Atenolol | Atenolol | NuCare Pharmaceuticals, Inc. | ANDA | Current |
| 68788-9761 | Atenolol | Atenolol | Preferred Pharmaceutials Inc. | ANDA | Current |
| 70934-458 | Atenolol | Atenolol | Denton Pharma, Inc. DBA Northwind Pharmaceuticals | ANDA | Current |
| 70934-458 | Atenolol | Atenolol | Denton Pharma, Inc. DBA Northwind Pharmaceuticals | ANDA | Current |
| 71335-1379 | Atenolol | Atenolol | Bryant Ranch Prepack | ANDA | Current |
| 75834-281 | Atenolol | Atenolol | Nivagen Pharmaceuticals, Inc. | ANDA | Current |
| 75834-282 | Atenolol | Atenolol | Nivagen Pharmaceuticals, Inc. | ANDA | Current |
| 75834-283 | Atenolol | Atenolol | Nivagen Pharmaceuticals, Inc. | ANDA | Current |