| Applicant country / location | Applicant | Certificate No | | | Issue date | Manufacturer | Apparatus | |
|---|
| 102 |  Australia |  |
| 1 | Austria | |
| 7 | Belgium | |
| 25 | Canada | |
| 32 | China | |
| 1 | Czech Republic | |
| 8 | Denmark | |
| 5 | Finland | |
| 26 | France | |
| 272 |  Germany | |
| 7 | | ABB Automation Products GmbH | |
| 5 | | aqua signal Aktiengesellschaft | |
| 1 | | ATB Motorentechnik GmbH | |
| 10 | | BARTEC GmbH | |
| 2 | | Bürkert Werke GmbH & Co. KG | |
| 1 | | Cooper-Crouse-Hinds GmbH | |
| 6 | | COOPER CROUSE-HINDS GmbH | |
| 1 | | Cooper Crouse-Hinds GmbH previously CEAG Sicherheitstechnik GmbH | |
| 1 | | Cooper Crouse Hinds | |
| 9 | | Cooper Crouse Hinds GmbH | |
| 5 | | Dräger Safety AG & Co. KGaA | |
| 1 | | ecom instruments GmbH | |
| 9 | | Eickhoff Bergbautechnik GmbH | |
| 1 | | Embigence GmbH | |
| 3 | | Emerson Process Management GmbH & Co. OHG | |
| 4 | | Emil A. Peters GmbH & Co. KG | |
| 2 | | Endress + Hauser GmbH + Co. KG | |
| 1 | | Endress + Hauser Wetzer GmbH + Co. KG | |
| 7 | | Endress+Hauser GmbH+Co. KG | |
| 1 | | Endress+Hauser GmbH+Co.KG | |
| 2 | | FAFNIR GmbH | |
| 2 | | FHF Funke + Huster Fernsig GmbH | |
| 2 | | FLEXIM Flexible Industriemesstechnik GmbH | |
| 2 | | Gecma Components GmbH | |
| 1 | | GeDi Technik GmbH | |
| 1 | | GfG Gesellschaft für Gerätebau mbH | |
| 3 | | GfG Gesellschaft für Gerätebau mbH | |
| 1 | | Hans Turck GmbH & Co KG | |
| 7 | | Hans Turck GmbH & Co. KG | |
| 1 | | Hummel AG, Geschäftsbereich ET | |
| 1 | | Hydac Electronic GmbH | |
| 4 | | ifm electronic GmbH | |
| 1 | | Ing.-Büro JANSEN GmbH | |
| 1 | | INTERTEC-Hess GmbH | |
| 2 | | Kirchgaesser Industrieelektronik GmbH | |
| 2 | | Knick Elektronische Messgeräte GmbH & Co. KG | |
| 3 | | Krohne Messtechnik GmbH & Co. KG | |
| 2 | | KROHNE Messtechnik GmbH & Co. KG | |
| 1 | | Lutz Pumpen GmbH | |
| 1 | | Magnet-Schultz GmbH & Co. KG | |
| 1 | | Marco Systemanalyse & Entwicklung GmbH | |
| 6 | | Motorola GmbH | |
| 4 | | MSA AUER GmbH | |
| 1 | | nass magnet GmbH | |
| 1 | | Norgren GmbH | |
| 1 | | NORKA GmbH & Co. KG | |
| 3 | | Pepperl & Fuchs GmbH | |
| 11 | | Pepperl + Fuchs GmbH | |
| 4 | | Pepperl+Fuchs GmbH | |
| 2 | | Phoenix Contact GmbH | |
| 3 | | Phoenix Contact GmbH & Co KG | |
| 13 | | Phoenix Contact GmbH & Co. KG | |
| 2 | | Phoenix Contact GmbH & Co.KG | |
| 1 | | Phoenix Contract GmbH & Co KG | |
| 5 | | PRÜFTECHNIK Dieter Busch AG | |
| 2 | | ROLEC Gehäuse-Systeme GmbH | |
| 1 | | ROSE Systemtechnk GmbH | |
| 7 | | ROSE Systemtechnik GmbH | |
| 1 | | Rota Yokogawa GmbH & Co. KG | |
| 4 | | R. STAHL HMI Systems GmbH | |
| 20 | | R. STAHL Schaltgeräte GmbH | |
| 1 | | R.STAHL Schaltgeräte GmbH | |
| 2 | | SAMSON AG Mess- und Regeltechnik | |
| 1 | | Schischek GmbH | |
| 3 | | Schott Electronic Packaging GmbH | |
| 1 | | SECATEC electronic GmbH | |
| 1 | | Siemens | |
| 11 | | Siemens AG | |
| 1 | | Steute Schaltgeräte GmbH & Co. KG | |
| 1 | | Steute Schaltgeräte GmbH & Co.KG | |
| 1 | | Steute Schaltgeräte GmbH &Co. KG | |
| 1 | | tecsis GmbH | |
| 1 | | thuba Ltd. | |
| 1 | | UNI-Geraete E. Mangelmann Elektrotechnische Fabrik GmbH | |
| 25 | | VEGA Grieshaber KG | |
| 4 | | WAGO Kontakttechnik GmbH & Co. KG | |
| 1 | | Weidmuller Interface GmbH & Co | |
| 3 | | Weidmuller Interface GmbH & Co KG | |
| 1 | | Weidmüller Interface GmbH & Co. KG | |
| 2 | | WIKA Alexander Wiegand GmbH & Co. KG | |
| 7 | India | |
| 2 | Ireland | |
| 2 | Israel | |
| 19 | Italy | |
| 48 | Japan | |
| 50 | Korea, Republic of | |
| 1 | Latvia | |
| 2 | New Zealand | |
| 15 | Norway | |
| 5 | Poland | |
| 2 | Russian Federation | |
| 4 | Singapore | |
| 4 | South Africa | |
| 1 | Spain | |
| 16 | Sweden | |
| 17 | Switzerland | |
| 2 | Thailand | |
| 6 | The Netherlands | |
| 1 | Turkey | |
| 322 | United Kingdom | |
| 258 | United States of America | |
| 1,263 | | |