| C&M | Care & Maintenance |
| C&S | Chemicals & Specialties |
| CMP | Gas Compression |
| CMS | Contract Mining Services |
| CON | Construction |
| DEV | Development |
| DIV | Divestment |
| DRL | Drilling Equipment & Services |
| DRC | Drilling Contractors |
| DST | Retail Distribution |
| DWN | Downstream |
| E&M | Equipment & Machinery |
| E&S | Equipment & Services |
| EPC | Engineering & Construction |
| EXP | Exploration |
| FEA | Feasibility |
| FRK | Hydraulic Fracturing |
| GEO | Geophysical / Seismic |
| INT | Integrated |
| INV | Investments |
| LIT | Litigation |
| LNG | Liquefied Natural Gas |
| MAR | Marine & Offshore |
| MAT | Specialty Materials |
| MID | Midstream |
| MNR | Mine Reactivation |
| OSP | Operational Support Services |
| PRO | Production |
| R&S | Royalty & Streaming |
| REC | Recycling |
| RMP | Ramp Up |
| ROY | Royalties |
| SUB | Subsea Services |
| TNK | Tankers |
| TEC | Technology / Software |
| UTL | Utilities |
