The group started with Heinzmann GmbH & Co. KG and now counts REGULATEURS EUROPA, HEINZMANN UK, HEINZMANN Shanghai, HEINZMANN Australia, HEINZMANN Automation and CPK Automotive as member companies. The HEINZMANN Group boasts a combined total of fifteen global subsidiaries, including eight production sites and an international distributor network. The product portfolio comprises engine management system solutions, as well as exhaust gas treatment solutions, for industrial combustion engines and turbines; it also encompasses automation systems, primarily for the shipping industry. HEINZMANN's electric drives bear testimony to both its capacity for innovation and its skill for developing engine technologies for the future.

Heinzmann GmbH & Co. KG was founded in 1897. Its current headquarters are located in Schönau im Schwarzwald, in Germany's Black Forest. The company transformed itself from renowned specialist in closed-loop technology to system supplier for combustion engines. Today, the business is separated into the combustion engines & turbines and electric motors divisions. Perm Motor GmbH was acquired in 2008 and was fully integrated into the company.
Regulateurs Europa:
With two production and development sites, REGULATEURS EUROPA has been part of the HEINZMANN Group since 2005. Whilst Dutch company Regulateurs Europa B.V. completes the range of governors, British company Regulateurs Europa Ltd. supplies integrated control and monitoring systems.
Heinzmann UK Ltd.:
Specialising in turbine control systems, Heinzmann UK Ltd. as been supplying OEM customers and equipping and retrofitting turbine systems across the world for 30 years. Development, production, repair and overhaul for all HEINZMANN products takes place on site.
Heinzmann Automation AS:
With the incorporation of Norwegian company Heinzmann Automation AS, which adopted the name upon joining the group, the product portfolio has included automation and monitoring systems for the commercial and military shipping industry since 2010.
Heinzmann Australia Pty Ltd.:
With the recent acquisition of DAWSON TECHNOLOGY, the group has gained a market leader in steam turbine controls and power generation applications. The Australian company has been serving both local and international markets for over 30 years and now operates under the name Heinzmann Australia Pty Ltd.
Heinzmann Power Control (Jiaxing) Co. Ltd.:
Heinzmann Power Control (Jiaxing) Co. Ltd. represents the group in China, producing and selling mainly actuator technology for this market.
Giro Enginering Ltd.:
Founded in 1980, Giro Engineering Ltd. is a UK based designer and manufacturer of high-pressure fuel injection pipework and associated components for diesel engines and member of the HEINZMANN Group since January 2020.