From 2019-08-01
| Name | Known_as | Company | Yr_Joined | Date_Notified |
| Miss BA Allerton | Beryl | W1 | 1959 | 2020-01-10 |
| Mr. J Andrews | John | W2 | 1955 | 2020-04-27 |
| Mr. CJ Arnold | Chris | W1 | 1956 | 2019-08-01 |
| Mr. P Bickers | Peter | W2 | 1965 | 2020-06-10 |
| Mr. JE Bower | John | W2 | 1955 | 2020-04-20 |
| Mr. RT Brocklesby | W2 | 1965 | 2020-04-01 | |
| Mr. PR Burlong | Peter | W2 | 1955 | 2020-06-26 |
| Dr. G Busby | MBE FBCS Ceng | W1 | 1975 | 2020-02-20 |
| Mr. DWG Byatt | W2 | 1950 | 2019-10-01 | |
| Mr. HM Carter | W2 | 1942 | 2020-02-19 | |
| Mr. D Cooper | David | W2 | 1950 | 2020-04-08 |
| Mr. EE Cranfield | W2 | 1943 | 2020-04-01 | |
| Mr. J Donachie | RO2 | 1952 | 2020-02-26 | |
| Mr. JB Goodacre | John | W1 | 1956 | 2019-10-01 |
| Mr. D Gutteridge | Dave | W | 1962 | 2020-08-04 |
| Mr. NE Harrington | Norman Edward (Ted) | W2 | 1961 | 2020-06-11 |
| Mr. RW Ives | Roger | W1 | 1964 | 2019-08-01 |
| Mr. JA James | John (Jim) | W2 | 1954 | 2019-08-01 |
| Mr. R Jones | Richard | W2 | 1955 | 2020-04-01 |
| Mr. MK Kavanagh | Michael Kevin | M2 | 1944 | 2019-08-01 |
| Mr. R Lester | Roy | I2 | 1962 | 2020-04-01 |
| Mr. NJL Lockett | Nick | W1 | 1962 | 2019-08-01 |
| Mrs. PA Lodge | Pat | W2 | 1968 | 2020-04-01 |
| Mr. S McFarlane | Sydney | W2 | 1948 | 2019-10-01 |
| Mr. MC McNeil | Mike | W2 | 1965 | 2019-12-13 |
| Mr. RV Moss | Ray | W1 | 1952 | 2020-04-01 |
| Mr. JA Nicholson | John | W2 | 1959 | 2020-07-01 |
| Mr. JW Pearce | John William | W2 | 1967 | 2020-01-20 |
| Mr. DR Polley | David | W2 | 1938 | 2020-04-06 |
| Mr. RH Reynolds | Robin/R2 | W2 | 1951 | 2019-10-14 |
| Mr. ME Rita | Michael | W2 | 1946 | 2020-07-07 |
| Mr. WH Rose | William | W2 | 1954 | 2020-01-14 |
| Mr. AD Slocombe | Tony | W | 1945 | 2019-08-01 |
| Mr LH Smyth | Laurence | W2 | 1955 | 2020-04-28 |
| Mr. MF Steeds | Michael | W2 | 1953 | 2019-08-01 |
| Mr. NF Tovey | Nick | W2 | 1957 | 2019-08-01 |
| Mr. BD Wallis | Bryan | M2 | 1954 | 2020-04-01 |
| Mr. RG Wood | W2 | 1950 | 2019-11-01 |