| Issuing ExTL | ExTR Ref. Number | Manufacturer | Standards covered | |
| 256 | BAS - Baseefa |  |
| 31 | BAS - SGS Baseefa Limited |  |
| 6 | BKI - Testing Station for Explosion Proof Equipment |  |
| 202 | BVS - DEKRA EXAM GmbH |  |
| 3 | CCVE - NANIO "CCVE" |  |
| 35 | CES - CESI |  |
| 18 | CQST - China National Quality Supervision and Test |  |
| 50 | CSA - CSA International |  |
| 161 | DEK - DEKRA Certification B.V. |  |
| 21 | DNV - DNV |  |
| 52 | EPS - Bureau Veritas Consumer Products Services Germany GmbH |  |
| 15 | ETL - Intertek |  |
| 107 | FMG - FM Approvals LLC |  |
| 31 | FTZU - Fyzikalne technicky zkusebni ustav |  |
| 44 | IBE - IBExU Institut für Sicherheitstechnik GmbH |  |
| 67 | INE - INERIS |  |
| 26 | ITA - TUV Rheinland Australia Pty. Ltd |  |
| 63 | ITS - Intertek Testing & Certification Limited |  |
| 8 | KDB - Central Mining Institute Experimental Mine "Barbara" |  |
| 9 | KDB - Główny Instytut Górnictwa, Kopalnia Doświadczalna „BARBARA” |  |
| 27 | KEM - DEKRA Certification B.V. |  |
| 35 | KGS - Korea Gas Safety Corporation |  |
| 3 | KOS - Korea Occupational Safety and Health Agency (KOSHA) |  |
| 15 | KTL - Korea Testing Laboratory |  |
| 68 | LCI - Laboratoire Central des Industries Electriques (LCIE) |  |
| 32 | LCIE - Laboratoire Central des Industries Electriques (LCIE) |  |
| 2 | MST - Mine Safety Technology Centre (MSTC), |  |
| 27 | NEM - NEMKO |  |
| 21 | NEPSI - National Supervision and Inspection Centre for |  |
| 32 | PCEC - Supervision & test Centre of Ex-products of |  |
| 138 | PTB - Physikalisch-Technische Bundesanstalt (PTB) |  |
| 6 | QPS - QPS |  |
| 14 | SEV - Electrosuisse div. Testing and Certification |  |
| 14 | SIM - Safety in Mines Testing and Research Station (Simtars) |  |
| 1 | SIQ - Slovenian Institute of Quality and Metrology (SIQ) |  |
| 348 | SIR - SIRA Certification Service |  |
| 3 | SP - SP Technical Research Institute of Sweden |  |
| 1 | TPS - TÜV SÜD Product Service GmbH |  |
| 1 | TRC - TRaC EMC & Safety Ltd |  |
| 35 | TRC - TRaC Global Ltd. |  |
| 50 | TSA - TestSafe Australia |  |
| 49 | TUN - TÜV NORD CERT GmbH |  |
| 24 | TUR - TUV Rheinland Industrie Service GmbH |  |
| 129 | UL - UL LLC |  |
1 | | US/UL/ExTR12.0076/00 | I.M.M.I. ISRAEL LTD. 10 Havaze... | IEC 60079-0 (Ed.6.0) +... |  |
1 | | US/UL/ExTR12.0071/00 | Analynk Wireless LLC 790 Cross... | IEC 60079-0 (Ed.6.0) +... |  |
1 | | US/UL/ExTR12.0049/00 | Industrial Scientific Corp. 10... | IEC 60079-0 (Ed.6.0) +... |  |
1 | | US/UL/ExTR12.0047/00 | Adalet/Scott Fetzer Co. 4801 W... | IEC 60079-0 (Ed.6.0) +... |  |
1 | | US/UL/ExTR12.0043/00 | Bluffton Motor Works LLC 410 E... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0041/00 | Rockwell Automation Ltd. Hall... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0035/01 | Appleton Electric LLC, Susidia... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0035/00 | Appleton Electric LLC, Susidia... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0033/00 | Pepperl & Fuchs Inc. 1600 Ente... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0028/00 | Veeder Root Company 2709 Route... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0027/00 | On Track Innovations LLC Z.H.R... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0026/00 | Algas - SDI International LLC ... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0025/01 | Industrial Scientific Corporat... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0025/00 | Industrial Scientific Corporat... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0024/00 | Rockwell Automation 1201 South... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0023/01 | M/D Totco Nov., Div. of Natio... | IEC 60079-0 (Ed.6.0) +... |  |
1 | | US/UL/ExTR12.0023/00 | M/D Totco Nov., Div. of Natio... | IEC 60079-0 (Ed.6.0) +... |  |
1 | | US/UL/ExTR12.0021/00 | Adalet/Scott Fetzer Co. 4801 W... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0020/02 | Franklin Electric Co. Inc. 400... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0020/01 | Franklin Electric Co. Inc. 400... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0020/00 | Franklin Electric Co. Inc. 400... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0017/01 | TLV Co., LTD 881 Nagasuna, Nog... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0017/00 | TLV Co., LTD 881 Nagasuna, Nog... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0016/01 | OPW Fuel Management Systems 69... | IEC 60079-0 (Ed.4.0) +... |  |
1 | | US/UL/ExTR12.0016/00 | OPW Fuel Management Systems 69... | IEC 60079-0 (Ed.4.0) +... |  |
1 | | US/UL/ExTR12.0015/00 | Sperian Protection Instrumenta... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0013/01 | Gai-Tronics Corporation 400 Ea... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0013/00 | Gai-Tronics Corporation 400 Ea... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0012/00 | Adalet/Scott Fetzer Co. 4801 W... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0011/00 | Iris Power LP 3110 American D... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0010/00 | Rockwell Automation / Allen-Br... | IEC 60079-0 (Ed.5) |  |
1 | | US/UL/ExTR12.0008/00 | J & N Enterprises Inc., DBA S... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0007/00 | Tuthill Transfer Systems 8825 ... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0006/00 | Tuthill Transfer Systems 8825 ... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0005/01 | Smith Systems Inc. 6 Mill Cree... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0005/00 | Smith Systems Inc. 6 Mill Cree... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0003/00 | Adalet/Scott Fetzer Co. 4801 W... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR12.0001/00 | Migatron Corporation 935 Dieck... | IEC 60079-0 (Ed.6.0) +... |  |
1 | | US/UL/ExTR11.0066/00 | Adalet/Scott Fetzer Co. 4801 W... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0065/00 | Cooper Crouse-Hinds Wolf & 7th... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0064/00 | Cooper Crouse-Hinds Wolf & 7th... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0063/02 | Connectwell Industries Pvt. Lt... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0063/01 | Connectwell Industries Pvt. Lt... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0063/00 | Connectwell Industries Pvt. Lt... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0062/00 | Omntec/Electro Levels Mfg. Inc... | IEC 60079-0 (Ed.6.0) +... |  |
1 | | US/UL/ExTR11.0060/00 | PAD Peripheral Advanced Design... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0059/00 | PAD Peripheral Advanced Design... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0056/02 | Veeder Root Company 2709 Route... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0056/01 | Veeder-Root Co. 2709 Route 764... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0054/00 | Rae Systems 3775 N. 1st Street... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0053/01 | Cooper Crouse-Hinds Wolf & 7th... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0053/00 | Cooper Crouse-Hinds Wolf & 7th... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0051/00 | Itron Inc. 970 Highway 127 N. ... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0050/01 | Connectwell Industries Pvt. Lt... | IEC 60079-0 (Ed.6.0) +... |  |
1 | | US/UL/ExTR11.0049/01 | ITALVIBRAS Giorgio Silingardi ... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0049/00 | ITALVIBRAS Giorgio Silingardi ... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0046/00 | Moxa Inc. 4th Floor 135 Lane 2... | IEC 60079-0 (Ed.4.0) +... |  |
1 | | US/UL/ExTR11.0044/01 | TLV Co., LTD 881 Nagasuna, Nog... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0044/00 | TLV Co., LTD 881 Nagasuna, Nog... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0042/01 | OPW Fuel Management Systems 69... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0042/00 | OPW Fuel Management Systems 69... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0040/01 | BARTEC GmbH Max-Eyth-Strasse 1... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0039/00 | Iris Power LP 3110 American Dr... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0038/02 | Mine Safety Appliances Company... | IEC 60079-0 (Ed.4.0) +... |  |
1 | | US/UL/ExTR11.0037/03 | Daniel Measurement & Control, ... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0034/00 | Perma-Pipe Inc. 7720 Lehigh Av... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0028/01 | Scott Health & Safety Limited ... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0026/00 | CCI Thermal Technologies Inc 5... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0024/00 | GE Intelligent Platforms Inc 2... | IEC 60079-0 (Ed.4.0) +... |  |
1 | | US/UL/ExTR11.0019/02 | Dräger Safety AG & Co. KGaA Re... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0019/01 | Dräger Safety AG & Co. KGaA Re... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0013/02 | Honeywell Analytics Inc. 405 B... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0012/00 | Moxa Inc. 4th Floor 135 Lane 2... | IEC 60079-0 (Ed.4.0) +... |  |
1 | | US/UL/ExTR11.0011/02 | Honeywell Analytics Inc. 405 B... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0007/03 | Pelco Inc. 3500 Pelco Way Clov... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR11.0007/02 | Pelco 3500 Pelco Way Clovis, ... | IEC 60079-0 (Ed.4.0) +... |  |
1 | | US/UL/ExTR11.0004/04 | Daniel Measurement & Control I... | IEC 60079-0 (Ed.4.0) +... |  |
1 | | US/UL/ExTR11.0002/01 | Veeder Root Company 2709 Route... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR10.0057/04 | Veeder Root Company 2709 Route... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR10.0057/03 | Veeder Root Company 2709 Route... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR10.0056/02 | Adalet/Scott Fetzer Co. 4801 W... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR10.0056/01 | Adalet/Scott Fetzer Co. 4801 W... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR10.0048/00 | Moxa Inc. 4th Floor 135 Lane ... | IEC 60079-0 (Ed.4.0) +... |  |
1 | | US/UL/ExTR10.0047/03 | Asco 50 Hanover Drive Florham ... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR10.0047/02 | Asco 50 Hanover Drive Florham ... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR10.0047/01 | Asco 50 Hanover Drive Florham ... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR10.0041/02 | Industrial Scientific Corporta... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR10.0036/02 | Adalet/Scott Fetzer Co. 4801 W... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR10.0036/01 | Adalet/Scott Fetzer Co. 4801 W... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR10.0032/02 | Swagelok Company 29500 Solon ... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR10.0031/02 | Swagelok Company 29500 Solon ... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR10.0024/02 | Veeder Root Company 2709 Route... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR10.0024/01 | Veeder Root Company 2709 Route... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR10.0018/04 | Moog Controls (India) Private ... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR10.0018/03 | Moog Controls (India) Private ... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR10.0010/04 | Cooper Crouse-Hinds Wolf & 7th... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR10.0006/00 | WAGO Kontakttechnik GmbH & Co.... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR10.0003/01 | BARTEC GmbH Max-Eyth-Strasse 1... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR09.0040/01 | Veeder Root Co. 2709 Route 764... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR09.0039/01 | Veeder Root Company 2709 Route... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR09.0038/04 | Adalet/Scott Fetzer Co. 4801 W... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR09.0038/03 | Adalet/Scott Fetzer Co. 4801 W... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR09.0026/01 | Adalet/ Scott Fetzer Company 4... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR09.0025/02 | FMC Technologies Measurement S... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR09.0015/02 | Adalet/Scott Fetzer Co. 4801 W... | IEC 60079-0 (Ed.4.0) +... |  |
1 | | US/UL/ExTR09.0012/03 | Sperian Protection Instrumenta... | IEC 60079-0 (Ed.4.0) +... |  |
1 | | US/UL/ExTR09.0005/03 | Intelligent Controls Inc. 34 S... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR09.0005/02 | Intelligent Controls Inc. 34 S... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR08.0027/02 | BW Technologies by Honeywell 2... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR08.0027/01 | BW Technologies by Honeywell 2... | IEC 60079-0 (Ed.4.0) +... |  |
1 | | US/UL/ExTR08.0020/02 | Veeder Root Company 2709 Route... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR08.0020/01 | Veeder Root Company 2709 Route... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR08.0019/01 | Veeder Root Company 2709 Route... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR08.0017/05 | Honeywell Analytics Ltd. Hatch... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR08.0014/02 | Adalet/Scott Fetzer Co. 4801 W... | IEC 60079-0 (Ed.4.0) +... |  |
1 | | US/UL/ExTR08.0003/04 | Italvibras G. Silingardi, SPA ... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR08.0002/03 | BW Technologies by Honeywell 2... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR07.0016/02 | Veeder Root Company 2709 Route... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR07.0014/02 | Dräger Safety AG & Co. KGaA Re... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR07.0010/05 | Industrial Scientific Corp. 10... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR07.0010/04 | Industrial Scientific Corp. 10... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR07.0008/03 | Veeder Root Company 2709 Route... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR07.0003/02 | Honeywell Analytics Ltd. Chona... | IEC 60079-0 (Ed.4.0) +... |  |
1 | | US/UL/ExTR06.0035/02 | Baseline-Mocon Inc. 19661 High... | IEC 60079-0 (Ed.6.0) +... |  |
1 | | US/UL/ExTR06.0033/05 | United Electric Controls Compa... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR06.0026/02 | Intelligent Controls Inc. 34 S... | IEC 60079-0 (Ed.5) +... |  |
1 | | US/UL/ExTR06.0014/05 | Drager Safety AG & Co. KgaA Re... | IEC 60079-0 (Ed.3.1) +... |  |
1 | | US/UL/ExTR06.0001/05 | Veeder Root Company 2709 Route... | IEC 60079-0 (Ed.5) +... |  |
1 | | DK/ULD/ExTR10.0017/04 | Veeder Root Company 2709 Route... | IEC 60079-0 (Ed.4.0) +... |  |
| 1 | UL - Underwriters Laboratories Inc (UL) |  |
| 22 | ULD - UL International DEMKO A/S |  |
| 18 | VTT - VTT Expert Services Ltd. |  |
| 16 | ZLM - ZELM Explosionsschutz GmbH |  |
| 2337 | |  |