| Associate Oil and Gas Engineer | 134 | $146,928 |
| Analyst II, Range A | 70 | $75,036 |
| Engineering Geologist, Range C | 55 | $105,993 |
| Engineering Geologist, Range D | 55 | $133,113 |
| Senior Oil and Gas Engineer (Supervisor) | 48 | $173,558 |
| Supervisor I | 31 | $92,251 |
| Engineering Geologist, Range B | 30 | $77,502 |
| Office Technician (Typing), Range A | 23 | $53,606 |
| Information Technology Specialist I, Range C | 21 | $104,543 |
| Associate Environmental Planner | 18 | $85,176 |
| Senior Engineering Geologist, Range S | 17 | $158,816 |
| Supervising Oil and Gas Engineer | 14 | $197,310 |
| Engineering Geologist, Range A | 13 | $21,877 |
| Information Technology Specialist II, Range A | 13 | $125,731 |
| Senior Engineering Geologist, Range A | 12 | $146,274 |
| Analyst I, Range C | 11 | $50,948 |
| Attorney IV, Range A | 10 | $146,413 |
| C.E.A., Range B | 10 | $169,350 |
| Research Data Specialist II, Range A | 10 | $102,276 |
| Member, State Mining and Geology Board, Department of Conservation | 9 | |
| Research Data Analyst I, Range C | 9 | |
| Senior Environmental Scientist(Specialist) | 9 | |
| Research Data Specialist I, Range A | 8 | |
| C.E.A., Range A | 7 | |
| Environmental Scientist, Range C | 7 | |
| Supervising Engineering Geologist | 7 | |
| Environmental Planner, Range C | 6 | |
| Research Data Analyst II, Range A | 6 | |
| Senior Oil and Gas Engineer (Specialist) | 6 | |
| Associate Accounting Analyst, Range A | 5 | |