| Client name | City | Country |
|---|---|---|
| Bhabha Atomic Research Centre | Mumbai | India |
| Bharat Oman Refineries Limited | Bina | India |
| Bharat Petroleum Corporation Limited | Kerala | India |
| Bharat Petroleum Corporation Limited | Mumbai | India |
| Bhavyam Engineering Technologies Pvt. Ltd. | PUNE | India |
| BHDT GmbH | Kapfenberg | Austria |
| Bildungsverbund Chemie und Technik e.V. | Halle | Germany |
| Bilfinger Chemserv GmbH | Linz | Austria |
| Bilfinger EMS GmbH | Hattingen | Germany |
| Bilfinger Engineering & Maintenance GmbH | Ludwigshafen | Germany |
| Bilfinger Engineering & Technologies GmbH | Oberhausen | Germany |
| Bilfinger Global IT GmbH | Mannheim | Germany |
| Bilfinger GreyLogix foodtec GmbH | Neumünster | Germany |
| Bilfinger Industrial Services GmbH | Wels | Austria |
| Bilfinger Industrial Services GmbH | Linz | Austria |
| Bilfinger Maintenance GmbH | Leuna | Germany |
| Bilfinger Maintenance Süd GmbH | Gersthofen | Germany |
| Bilfinger Nuclear & Energy Transition GmbH | Oberhausen | Germany |
| BioMethanol Chemie Nederland B.V. | Delfzijl | Netherlands |
| BK Giulini Chemie GmbH & Co OHG | Ludwigshafen | Germany |
| Blue Cube Germany Productions GmbH & Co. KG | Stade | Germany |
| Blue Cube Operations LLC | Freeport | United States |
| Bopp & Reuther / IMI | Mannheim | Germany |
| Bopp & Reuther Messtechnik GmbH | Speyer | Germany |
| Borealis Agrolinz Melamine GmbH | Linz | Austria |