| 29300-410 | Atenolol | Atenolol | Unichem Pharmaceuticals (USA), Inc. | ANDA | Current |
| 29300-410 | Atenolol | Atenolol | Unichem Pharmaceuticals (USA), Inc. | ANDA | Current |
| 29300-410 | Atenolol | Atenolol | Unichem Pharmaceuticals (USA), Inc. | ANDA | Current |
| 29300-410 | Atenolol | Atenolol | Unichem Pharmaceuticals (USA), Inc. | ANDA | Current |
| 29300-411 | Atenolol | Atenolol | Unichem Pharmaceuticals (USA), Inc. | ANDA | Current |
| 29300-411 | Atenolol | Atenolol | Unichem Pharmaceuticals (USA), Inc. | ANDA | Current |
| 29300-411 | Atenolol | Atenolol | Unichem Pharmaceuticals (USA), Inc. | ANDA | Current |
| 29300-411 | Atenolol | Atenolol | Unichem Pharmaceuticals (USA), Inc. | ANDA | Current |
| 29300-412 | Atenolol | Atenolol | Unichem Pharmaceuticals (USA), Inc. | ANDA | Current |
| 29300-412 | Atenolol | Atenolol | Unichem Pharmaceuticals (USA), Inc. | ANDA | Current |
| 29300-412 | Atenolol | Atenolol | Unichem Pharmaceuticals (USA), Inc. | ANDA | Current |
| 29300-412 | Atenolol | Atenolol | Unichem Pharmaceuticals (USA), Inc. | ANDA | Current |
| 50090-5363 | Atenolol | Atenolol | A-S Medication Solutions | ANDA | Current |
| 50090-5363 | Atenolol | Atenolol | A-S Medication Solutions | ANDA | Current |
| 50090-5363 | Atenolol | Atenolol | A-S Medication Solutions | ANDA | Current |
| 50090-6241 | Atenolol | Atenolol | A-S Medication Solutions | ANDA | Current |
| 50090-6311 | Atenolol | Atenolol | A-S Medication Solutions | ANDA | Current |
| 71335-9611 | Atenolol | Atenolol | Bryant Ranch Prepack | ANDA | Current |