BOA Group
BOA Group is one of the world's leading manufacturers of flexible mechanical elements such as bellows, hoses and expansion joints for the automotive, aerospace and industrial sectors.
Last updated September 16, 2026
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Overview
BOA Group is one of the world's leading manufacturers of flexible mechanical elements for the automotive and aerospace industries and for a wide range of industrial applications. It develops, produces and distributes flexible stainless steel components for engine management, exhaust systems, fuel systems and side components for passenger cars and heavy vehicles, and in its industrial division delivers flexible elements for the Energy sector, Shipping, Rail and Heavy Engine industry. The head office is in Stutensee near Karlsruhe in Germany, and the group consists of several plants and sales offices worldwide. Until August 2006, the BOA Group operated under the umbrella of the IWKA organization. Its shareholder is Ring International Holding AG (RIH), a privately owned Austrian industrial group.
History
Until August 2006, the BOA Group operated under the umbrella of the IWKA organization. Today, the BOA Group consists of several plants worldwide. The head office is in Stutensee near Karlsruhe in Germany. The group's shareholder is Ring International Holding AG (RIH), a privately owned Austrian industrial group with long-standing expertise in managing, restructuring and optimising companies, particularly in the metal processing sector.
Products and positioning
One of the world's leading manufacturers of flexible mechanical elements and critical systems for gas and fluid transportation.
Bellows
Hoses
Expansion joints
Flexible stainless steel components
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