| REICHERT, Christian ACTIVE | Director | 01 Feb 2024 | | Germany | October 1978 | 1, Hauptstrabe, Maulburg, Baden-Württemberg, 79689, Germany |
| SELDERS, Peter Artur ACTIVE | Director | 29 Apr 2026 | | Germany | November 1969 | Endress+Hauser Management Ag, Kägenstrasse 2, Reinach, 4153, Switzerland |
| WEBSTER, Marcus Bruce ACTIVE | Director | 01 Sep 2022 | | England | April 1969 | Harelands Courtyard Offices, Moor Road Melsonby, Richmond, DL10 5NY, England |
| HILLS, Carol RESIGNED | Secretary | 19 Apr 1994 | 10 Jun 1994 | | | 66 Hollyhurst Road, Darlington, County Durham, DL3 6HU |
| HILLS, Michael Arthur RESIGNED | Secretary | 04 Jun 1994 | 16 Sep 1994 | | | 66 Hollyhurst Road, Darlington, County Durham, DL3 6HU |
| LUCAS, David Paul RESIGNED | Secretary | 05 Nov 2009 | 14 Jan 2022 | | | Lakeside House, Kingfisher Way, Stockton-On-Tees, TS18 3NB, England |
| TENNANT, Bernadette Anne RESIGNED | Secretary | 16 Sep 1994 | 24 Aug 2009 | | | Warren House, Watling Close, Gayles, Richmond, North Yorkshire, DL11 7JE |
| COMBINED SECRETARIAL SERVICES LIMITED RESIGNED | Nominee Secretary | 19 Apr 1994 | 19 Apr 1994 | | | Victoria House, 64 Paul Street, London, EC2A 4NG |
| ALTENDORF, Matthias RESIGNED | Director | 24 Aug 2009 | 27 Feb 2026 | Germany | June 1967 | Haltinger Pfad, 14, D-79539 Lorrach, Germany |
| FLAIG, Gerhard RESIGNED | Director | 24 Aug 2009 | 23 Dec 2010 | Germany | July 1954 | Am Rappenschweller, 2, D-78183 Hufingen, Germany |
| HILLS, Michael Arthur RESIGNED | Director | 19 Apr 1994 | 16 Sep 1994 | | May 1957 | 66 Hollyhurst Road, Darlington, County Durham, DL3 6HU |
| MAYR, Andreas, Dr. RESIGNED | Director | 27 Jan 2011 | 18 Jan 2019 | Germany | April 1961 | 1, Hauptstrasse, D-79689 Maulburg, Germany |
| PRINGLE, David Thomas RESIGNED | Director | 17 Jan 1998 | 29 Oct 1999 | United Kingdom | February 1939 | 6 Norden Close, Maidenhead, Berkshire, SL6 4BZ |
| SOEHNGEN, Illya RESIGNED | Director | 18 Jan 2019 | 01 Feb 2024 | Germany | August 1968 | Endress+Hauser Se+Co. Kg, Hauptstrasse 1, 79689 Maulburg, Germany |
| SPELMAN, Stephen Christopher RESIGNED | Director | 01 Sep 2013 | 01 Sep 2022 | England | September 1956 | Harelands Courtyard Offices, Moor Road Melsonby, Richmond, North Yorkshire, DL10 5NY |
| TENNANT, Malcolm Thomas RESIGNED | Director | 03 Jun 1994 | 31 Aug 2013 | United Kingdom | May 1965 | Warren House, Watling Close, Gayles, Richmond, North Yorkshire, DL11 7JE |
| COMBINED NOMINEES LIMITED RESIGNED | Nominee Director | 19 Apr 1994 | 19 Apr 1994 | | | Victoria House, 64 Paul Street, London, EC2A 4NA |
| COMBINED SECRETARIAL SERVICES LIMITED RESIGNED | Nominee Director | 19 Apr 1994 | 19 Apr 1994 | | | Victoria House, 64 Paul Street, London, EC2A 4NG |