| Client name | City | Country |
|---|---|---|
| Bayer AG | Leverkusen | Germany |
| Bayer AG | Krefeld | Germany |
| Bayer Antwerpen Comm. 5 | Antwerpen 4 | Belgium |
| Bayer Business Services GmbH | Leverkusen | Germany |
| Bayer CropScience AG | Hürth | Germany |
| Bayer Material Science (China) Co.,Ltd. | Shanghai | China |
| Bayer MaterialScience AG | Leverkusen | Germany |
| Bayer MaterialScience S.L. | Tarragona | Spain |
| Bayerische Zellstoff GmbH | Kelheim | Germany |
| BAYERNOIL Raffineriegesellschaft mbH | Vohburg | Germany |
| Bayernoil Raffineriegesellschaft mbH | Neustadt a. d. Donau | Germany |
| Bayernwerk Kernenergie GmbH | Essenbach | Germany |
| BBF Ingenieur GmbH | Dreieich | Germany |
| BBP Sales, LLC | Baton Rouge | United States |
| BDI Czech s. r. o. | Nový Jicín | Czech Republic |
| BEB Erdgas und Erdöl GmbH | Schneiderkrug | Germany |
| Bechtel India Pvt. Ltd. | Gurgaon | India |
| Bechtel Oil, Gas & Chemicals Inc. | Houston | United States |
| Bechtel Power Corporation | Frederick | United States |
| Beijing Brighty Instrument Company | Beijing | China |
| Beijing Changzheng machinery Co., Ltd. | Beijing | China |
| Beijing Petrochemical Engineering Co.,Ltd. | Beijing | China |
| Belcoss bvba | Deurne Antwerpen | Belgium |
| Bertil Klinga AB | Åkersberga | Sweden |
| BFS Apparatebau GmbH | Dietzenbach-Stbg | Germany |