Aumann AG manufactures and sells specialized machines and production lines for components of electric and classic drive chain systems in the United States, Canada, Mexico, Europe, China, and internationally. It operates through E-Mobility and Classic segments. The E-Mobility segment develops, produces, and sells specialized machines and automated production lines for the electrification of vehicles; solutions to produce electric motors and mechatronic modules for traction and auxiliary drives, and sensors; and special-purpose machinery and production lines for the production of electric and hybrid vehicles, including energy storage systems.

It also provides solutions for product-related services, such as maintenance, repair, spare parts, and engineering services. The Classic segment develops, produces, and sells special-purpose machinery and automated production lines for the automotive, consumer goods, agricultural, general, aerospace, rail, consumer electronics, and clean technology industries. Its solutions include machinery for the production of classic drive components in combustion engines, including assembled camshafts, camshaft modules, assembled cylinder activation and deactivation modules, and components for valve control systems; and lightweight structural components that enable its automotive customers to reduce the CO2emissions of their fleets.

This segment also offers winding machinery, welding systems, assembly solutions, inline measuring machines, and general automation solutions; and supplementary services comprising maintenance, repairs, spare parts, surveying, and prototype development, as well as first fabrication and small-batch production.