| MARSHALL, James Ernest ACTIVE | Secretary | 15 Jun 2012 | | | | 4 Greengate, Cardale Park, Harrogate, HG3 1GY, England |
| MARSHALL, Frank Edward ACTIVE | Director | 17 Jun 2009 | | England | April 1978 | 4 Greengate, Cardale Park, Harrogate, HG3 1GY, England |
| MARSHALL, George Henry Ross ACTIVE | Director | 17 Jun 2009 | | England | April 1978 | 4 Greengate, Cardale Park, Harrogate, HG3 1GY, England |
| MARSHALL, James Ernest ACTIVE | Director | 17 Jun 2009 | | England | September 1979 | 4 Greengate, Cardale Park, Harrogate, HG3 1GY, England |
| MARSHALL, William Ross ACTIVE | Director | 17 Mar 2008 | | England | November 1975 | 4 Greengate, Cardale Park, Harrogate, HG3 1GY, England |
| MARSHALL, Ernest Solomon RESIGNED | Secretary | | 15 Jun 2012 | | | Fagley Quarries, Fagley Lane, Bradford, BD2 3NT |
| MARSHALL, Ernest Solomon RESIGNED | Director | | 17 Jun 2013 | United Kingdom | August 1936 | Fagley Quarries, Fagley Lane, Bradford, BD2 3NT |
| MARSHALL, Frank William RESIGNED | Director | | 28 Aug 2025 | United Kingdom | June 1938 | 4 Greengate, Cardale Park, Harrogate, HG3 1GY, England |