| Sl No. | Firm Name | Class | Applied for | Final Cert No | Issue Dt | Valid From | Valid Upto |
|---|---|---|---|---|---|---|---|
| 1 | Energy Engineering Services | Class I | Not Available | 93 | 2017-01-18 | 2017-01-18 | 2019-01-17 |
| 2 | Energy Engineering Services | Class I | Renewal | WB/REPAIR-FINAL/2019/22 | 2019-03-20 | 2019-03-20 | 2021-03-19 |
| 3 | Energy Engineering Services | Class II | Not Available | 33 | 2014-12-10 | 2014-12-10 | 2016-12-09 |
| 4 | Energy Engineering Services | Class I | Renewal | WB/REPAIR-FINAL/2021/85 | 2021-02-24 | 2021-02-24 | 2023-02-23 |
| 5 | Energy Engineering Services | Class I | Renewal | WB/REPAIR-FINAL/2023/35 | 2023-02-13 | 2023-02-13 | 2025-02-12 |
| 6 | Energy Engineering Services | Class I | Renewal | WB/REPAIR-FINAL/2025/123 | 2025-05-02 | 2025-05-02 | 2027-05-01 |
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