| sl no | Descriptions |
| 1 | Instrument modification jobs like cable trays / cable laying / dressing / gladding / impulse piping / Air tubing / Steam tracing. |
| 2 | PM, overhauling, repair & calibration of analyzers. |
| 3 | PM, overhauling, repair & calibration of condition monitoring instruments. |
| 4 | PM, overhauling, repair & calibration of control valves / MOV actuators / Pneumatic actuators of isolation valves. |
| 5 | PM, overhauling, repair & calibration of custody metering systems & turbine meters. |
| 6 | PM, overhauling, repair & calibration of fire & gas dictators and detection systems. |
| 7 | PM, overhauling, repair & calibration of PT / LT / Mass flow instruments / General instruments. |
| 8 | PM, overhauling, repair & calibration of Weighbridges. |
| 9 | PM, overhauling, repair & calibration of Automatic Tank Gauging. |
| 10 | PM, overhauling, repair & calibration of PA systems. |
| 11 | PM, repair of PLC. |