| Client name | City | Country |
|---|---|---|
| Borealis Polymere GmbH | Burghausen | Germany |
| Borealis Polyolefine GmbH | Schwechat-Mannswörth | Austria |
| Borregaard Schweiz AG | Riedholz | Switzerland |
| Borsig Service GmbH | Berlin | Germany |
| BORSIG ValveTech GmbH | Leegebruch/Berlin | Germany |
| BORSIG ZM Compression GmbH | Meerane | Germany |
| BP America Inc. | Houston | United States |
| BP Chemicals Ltd | Hull | United Kingdom |
| BP Cherry Point Refinery | Blaine | United States |
| BP Europa SE | Lingen (Ems) | Germany |
| BP Gelsenkirchen GmbH | Gelsenkirchen | Germany |
| BP International Limited | Sunbury on Thames | United Kingdom |
| Braskem SA | Camaçari-Bahia | Brazil |
| Braun Bürosysteme GmbH | Köln | Germany |
| Braunschweigische Maschinenbauanstalt AG | Braunschweig | Germany |
| Breiing Engineering GmbH | Köln | Germany |
| Brightech Valves and Controls Pvt Limited | Ahmedabad | India |
| Broen A/S – Clorius Division | Assens | Denmark |
| Brucker | Köln | Germany |
| Brunei Fertilizer Industries Sdn Bhd | Brunei Darussalam | |
| BRUNNBAUER-ARMATUREN GmbH | Wien | Austria |
| BSF China Ltd. | Daya Bay, Huizhou | China |
| Bürkert & Cie. S.a.r.l. | Villé | France |
| Bürkert Contromatic AG International | Basel | Switzerland |
| Bürkert GmbH & Co. KG | Ingelfingen | Germany |