| 00:05:90 | Ascom Business Systems | Swissvoice Ltd. | 14 Dec 2001 |
| 00:60:D7 | ECOLE POLYTECHNIQUE FEDERALE | ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL) | 5 Jun 2002 |
| 00:06:C3 | Schindler Elevators Ltd. | Schindler Elevator Ltd. | 29 Sep 2007 |
| 00:12:66 | Swisscom-Eurospot | Swisscom Hospitality Services SA | 31 Dec 2007 |
| 00:03:2C | ABB Industrie AG | ABB Switzerland Ltd | 14 Jan 2008 |
| 00:09:22 | Touchless Sensor Technology AG | TST Biometrics Holding AG | 9 Feb 2008 |
| 00:15:1E | Metaware Co., Ltd. | Ethernet Powerlink Standardization Group (EPSG) | 9 Feb 2008 |
| 00:01:34 | SIG Positec Systems AG | Selectron Systems AG | 23 Jun 2009 |
| 00:14:5A | Elektrobit AG | Neratec AG | 23 Jun 2009 |
| 00:1A:D0 | Siemens Schweiz AG | Albis Technologies AG | 23 Jun 2009 |
| 00:1D:AB | SwissQual | SwissQual License AG | 23 Jun 2009 |
| 00:A0:03 | STAEFA CONTROL SYSTEM | Siemens Switzerland Ltd., I B T HVP | 23 Jun 2009 |
| 00:02:A3 | ABB Power Automation | ABB Switzerland Ltd, Power Systems | 4 Jul 2009 |
| 00:1B:05 | Young Media Concepts GmbH | YMC AG | 2 Sep 2009 |
| 00:11:7B | Büchi Labortechnik AG | Büchi Labortechnik AG | 7 Nov 2009 |
| 00:13:6A | Hach Ultra Analytics | Hach Lange SA | 10 Dec 2009 |
| 00:11:7B | Büchi Labortechnik AG | Büchi Labortechnik AG | 6 Feb 2010 |
| 00:30:59 | DIGITAL-LOGIC AG | KONTRON COMPACT COMPUTERS AG | 26 May 2010 |
| 00:05:4B | Micro Innovation AG | Eaton Automation AG | 14 Aug 2010 |
| 00:11:2B | NetModule | NetModule AG | 19 Aug 2010 |
| 00:11:7B | Büchi Labortechnik AG | Büchi Labortechnik AG | 24 Aug 2010 |
| 00:11:7B | Büchi Labortechnik AG | Büchi Labortechnik AG | 25 Aug 2010 |
| F8:F2:5A | Geneva Lab Information Consulting (GZ) Co.,Ltd | G-Lab GmbH | 28 Jul 2011 |
| 00:40:49 | TEGIMENTA AG | Roche Diagnostics Ltd. | 16 Nov 2011 |
| 00:11:7B | Büchi Labortechnik AG | Büchi Labortechnik AG | 17 Nov 2011 |
| 00:11:7B | Büchi Labortechnik AG | Büchi Labortechnik AG | 18 Nov 2011 |
| 00:80:A2 | CREATIVE ELECTRONIC SYSTEMS | Tattile SRL | 10 May 2012 |
| 00:11:7B | Büchi Labortechnik AG | BÃÂÃÂÃÂüchi Labortechnik AG | 17 Sep 2012 |
| 08:00:64 | AUTOPHON AG | Sitasys AG | 26 Sep 2012 |
| 00:11:7B | BÃÂÃÂÃÂüchi Labortechnik AG | Büchi Labortechnik AG | 29 Nov 2012 |
| 00:07:61 | Logitech SA | Logitech Europe SA | 14 Mar 2013 |
| 00:13:6A | Hach Lange SA | Hach Lange Sarl | 27 Mar 2013 |
| 00:14:5A | Neratec AG | Neratec Solutions AG | 28 Mar 2013 |
| 00:40:49 | Roche Diagnostics Ltd. | Roche Diagnostics International Ltd. | 12 Apr 2013 |
| 78:8C:54 | Enkom Technologies Ltd. | Eltek Technologies LTD | 13 Apr 2013 |
| 00:0E:2F | Disetronic Medical Systems AG | Roche Diagnostics GmbH | 8 May 2013 |
| 00:80:A2 | Tattile SRL | CREATIVE ELECTRONIC SYSTEMS | 22 Oct 2013 |
| 20:0E:95 | IEC â TC9 WG43 | IEC Â TC9 WG43 | 5 Dec 2013 |
| 20:0E:95 | IEC Â TC9 WG43 | IEC â TC9 WG43 | 14 Dec 2013 |
| 00:11:7B | Büchi Labortechnik AG | Büchi Labortechnik AG | 27 Aug 2015 |
| 20:0E:95 | IEC â TC9 WG43 | IEC – TC9 WG43 | 27 Aug 2015 |
| 00:07:61 | Logitech Europe SA | 29530 | 19 Feb 2016 |
| 00:0F:59 | Phonak Communications AG | Phonak AG | 19 Apr 2016 |
| 78:8C:54 | Eltek Technologies LTD | Ping Communication | 21 Nov 2017 |
| D4:66:A8 | Riedo Networks GmbH | Riedo Networks Ltd | 29 Nov 2017 |
| 00:11:1E | EPSG (Ethernet Powerlink Standardization Group) | ETHERNET Powerlink Standarization Group (EPSG) | 23 Feb 2018 |
| 00:15:1E | Ethernet Powerlink Standardization Group (EPSG) | ETHERNET Powerlink Standarization Group (EPSG) | 23 Feb 2018 |
| 00:50:C2:4C:D | Bixi Systems Ltd. | Securiton AG | 21 Dec 2018 |
| 40:A3:6B:6 | Bixi Systems Ltd. | Securiton AG | 21 Dec 2018 |
| F0:26:4C | Dr. Sigrist AG | Sigrist-Photometer AG | 24 Jul 2019 |
| 00:30:92 | ModuNORM GmbH | Kontron Electronics AG | 8 Aug 2019 |
| 00:50:C2:28:1 | CabTronix GmbH | Cabtronix AG | 18 Jul 2020 |
| 00:23:86 | Tour & Andersson AB | IMI Hydronic Engineering international SA | 29 Aug 2020 |
| F4:C7:95 | WEY Elektronik AG | WEY Technology AG | 16 Jan 2021 |
| 00:30:59 | KONTRON COMPACT COMPUTERS AG | Kontron Europe GmbH | 1 Apr 2021 |
| B4:AC:8C | Berner Fachhochschule | Bern University of Applied Sciences | 28 Jul 2021 |
| 00:02:A3 | ABB Switzerland Ltd, Power Systems | Hitachi Energy Switzerland Ltd | 28 Oct 2021 |
| 00:12:93 | ABB Power Protection (CH) | ABB Switzerland Ltd. | 3 Mar 2022 |
| 10:DC:B6:1 | ABB Switzerland Ltd. | Hitachi Energy Switzerland Ltd | 1 Jun 2022 |
| 00:30:2B | INALP NETWORKS, INC. | Inalp Solutions AG | 17 Nov 2022 |
| 00:19:82 | SmarDTV | SmarDTV Corporation | 16 May 2023 |
| B0:18:86 | SmarDTV | SmarDTV Corporation | 16 May 2023 |
| 3C:0B:4F | Yandex Services AG | Intertech Services AG | 21 Nov 2023 |
| B8:87:6E | Yandex Services AG | Intertech Services AG | 21 Nov 2023 |
| E8:6C:C7:0 | Trapeze Switzerland GmbH | ebblo Western Europe | 18 Feb 2026 |