| A03 | Engineering services |
| A10 | Project management, construction management |
| B02 | Machinery and piping work |
| B06 | Inspection and testing (NDT, pressure, performance, trial trip, etc) |
| C07 | Inspections & testing equipment |
| D04 | GRP/FRP |
| D08 | Additives & agents |
| E02 | Brackets, bolts, fasteners and locking devices |
| F02 | Air filters & spark arresters |
| F03 | Air & gas valves |
| G02 | Pumps & pump units |
| G03 | Pipes & pipe units |
| G04 | Fluid filters |
| G05 | Fluid valves & other armatures |
| H02 | Thermal compensators |
| J01 | Combustion engine |
| J02 | Generators, alternators & dynamos |
| J03 | Aggregates |
| J04 | Gears |
| J06 | Vibration absorbers & dampeners |
| J08 | Propellers & impellers |
| J11 | Bearings |
| J12 | Gaskets, packings, liners & sealings |
| J14 | Brakes, couplings & shafts |
| K01 | Converters (voltage, frequency), receivers, el. dampers and rectifiers |
| K05 | Switchboards & relays |
| K09 | Electrical motors & starters |
| L01 | Sensors, gauges & detectors |
| L02 | Meters & indicators |
| L05 | Alarm equipment |
| L06 | Regulators & switches |
| L07 | Centrals, consoles & panels |
| L08 | Monitoring equipment |
| L13 | Control & automation systems |
| M14 | Bridge inventory & equipment |
| N03 | Subsea & seismic equipment |
| N04 | Anchor, pipe & cable handling equipment |