| Divisional Inspector : J. A. Peasegood. |
| Senior District Inspector : R. J. Evans. |
| District Inspector : A. Harley. |
| Inspector : R. Adamson. |
| Electrical Inspector : P. J. Tyrell. |
| Inspector of Mechanical Engineering : J. S. McQue. |
| Inspector of Mechanical Engineering : W. G. Stephenson. |
| |
West Yorkshire District |
| |
| Senior District Inspector : B. Spencer. |
| District Inspector : C. Gorrie. |
| District Inspector : C. Sharpe. |
| Inspector : R. Williams. |
| Inspector : J. H. Archibald. |
| |
South East Yorkshire District |
| |
| Senior District Inspector : J. Carver. |
| District Inspector : H. Davey. |
| District Inspector : T. W. English. |
| Inspector : G. W. Hargreaves. |
| Inspector : A. W. Wood. |
| |
South West Yorkshire District |
| |
| Senior District Inspector : L. D. Rhydderch. |
| District Inspector : E. E. D. Dawson-Hall. |
| Inspector : R. L. Burnett. |
| Inspector : K. Prosser. |