BOC Ltd (BOC) is the UK and Ireland business of Linde plc, supplying industrial, medical and specialty gases and related technologies. The company operates production assets including air separation units, hydrogen plants and cylinder filling facilities, and distributes gases via pipeline, bulk (cryogenic), and cylinder supply modes. Its portfolio includes oxygen, nitrogen, argon, hydrogen, carbon dioxide, helium and gas mixtures, alongside gas equipment and services for storage, handling and safety.
BOC serves customers across chemicals, refining, energy, metals, food and beverage, electronics, healthcare and general manufacturing. Offerings include on-site gas generation, packaged gases, bulk supply, applications engineering and compliance services. The company also supports hydrogen and other low‑carbon gas applications for industrial use and mobility infrastructure.
Founded as the British Oxygen Company, BOC became part of Linde in 2006 and continues to trade as BOC Ltd in the UK and Ireland. Its operations include regional production hubs and industrial gas pipelines in key manufacturing areas.