| Divisional Inspector : T. Greenland Davies. |
| Senior Inspector : T. L. McBride. |
| Senior Inspector : H. S. S. Scott. |
| Junior Inspector : W. Wainwright. |
| Junior Inspector : W. B. Brown. |
| Junior Inspector : W. F. Richardson. |
| Junior Inspector : T. A. Rogers. |
| Junior Inspector : T. A. Jones. |
| Junior Inspector (Electrical) : R. Crawford. |
| Sub-Inspector of Mines : W. Brown. |
| Sub-Inspector of Mines : W. Goodwin. |
| Sub-Inspector of Mines : J. S. Jobling. |
| Sub-Inspector of Mines : W. Cummings. |
| Sub-Inspector of Mines : R. Butler. |
| Sub-Inspector of Quarries : R. W. Ball. |
| Horse Inspector : R. L. Layfield. |
| Horse Inspector : E. A. Stubley. |