| Issuing ExCB | QAR Ref. Number | Sites audited | Manufacturer | |
|---|
| 2 |  BAS - Baseefa |  |
| 52 | BAS - Baseefa (2001) Ltd. | |
| 11 | BKI - Testing Station for Explosion Proof Equipment | |
| 2 | BVS - DEKRA EXAM GmbH | |
| 13 | BVS - EXAM BBG Prüf- und Zertifizier GmbH | |
| 4 | BVS - EXAM BBG Prüf- und Zertifizier GmbH | |
| 2 | CCVE - NANIO "CCVE" | |
| 4 | CES - CESI | |
| 6 | CQM - China Quality Mark Certification Group Co., Ltd. | |
| 8 | CSA - CSA International | |
| 11 |  DNV - DNV | |
| 1 | | NO/DNV/QAR06.0005/00 | Toptech Systems Inc. 280 Hunt ... | Toptech Systems Inc. 280 Hunt ... | |
| 1 | | NO/DNV/QAR06.0006/00 | GP:50 2770 Long Road Grand Isl... | GP:50 2770 Long Road Grand Isl... | |
| 1 | | NO/DNV/QAR06.0007/00 | Rosemount Inc. 12001 Technolog... | Rosemount Inc. 12001 Technolog... | |
| 1 | | NO/DNV/QAR06.0008/00 | Fisher-Rosemount Flow Technolo... | Rosemount Inc. 12001 Technolog... | |
| 1 | | NO/DNV/QAR07.0006/00 | Emerson Process Management Flo... | Micro Motion Inc. 7070 Winches... | |
| 1 | | NO/DNV/QAR06.0003/00 | Rae Systems 3775 N. 1st Street... | Rae Systems 3775 N. 1st Street... | |
| 1 | | NO/DNV/QAR06.0001/00 | Oden Control AB Nilstorpsvägen... | Oden Control AB Nilstorpsvägen... | |
| 1 | | NO/DNV/QAR06.0004/00 | RAE Systems (Shanghai) Inc No.... | Rae Systems 3775 N. 1st Street... | |
| 1 | | NO/DNV/QAR07.0004/00 | Emerson Process Management Co.... | Micro Motion Inc. 7070 Winches... | |
| 1 | | NO/DNV/QAR07.0005/00 | G.M.International s.r.l Via S.... | G.M.International s.r.l Via S.... | |
| 1 | | NO/DNV/QAR06.0008/01 | Fisher-Rosemount Flow Technolo... | Rosemount Inc. 12001 Technolog... | |
| 1 | FMG - FM Approvals LLC | |
| 1 | FTZU - Fyzikalne technicky zkusebni ustav | |
| 5 | INE - INERIS | |
| 1 | ITA - International Testing and Certification Services Pty. Ltd | |
| 9 | ITS - Intertek Testing & Certification Limited | |
| 12 | KEM - KEMA Quality B.V. | |
| 3 | KGS - Korea Gas Safety Corporation | |
| 2 | KOS - Korea Occupational Safety and Health Agency (KOSHA) | |
| 5 | LCI - Laboratoire Central des Industries Electriques (LCIE) | |
| 6 | NEM - NEMKO | |
| 10 | PTB - Physikalisch-Technische Bundesanstalt (PTB) | |
| 12 | SIM - Safety in Mines Testing and Research Station (Simtars) | |
| 40 | SIR - SIRA Certification Service | |
| 2 | SP - SP Technical Research Institute of Sweden | |
| 16 | TSA - TestSafe Australia | |
| 9 | TUN - TÜV NORD CERT GmbH | |
| 4 | UL - Underwriters Laboratories Inc (UL) | |
| 9 | ULD - UL International DEMKO A/S | |
| 1 | VTT - VTT Technical Research Centre of Finland | |
| 263 | | |