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Hans Arn AG 

Herzogenbuchsee · Since 1985

The core activity of Hans Arn AG is the production of complex milling, drilling and turning parts using CNC machining centers. The company specializes in the manufacture of precision mechanical parts made from various materials such as aluminum, steel, cast steel, non-ferrous metals and plastics. It offers services for the production of small and large series as well as individual pieces.

Hans Christen AG 

Herzogenbuchsee · Since 1946

The core activity of Hans Christen AG is the development, manufacture and delivery of precision gears and gear components, including gears, chain wheels, hollow wheels, toothed belt wheels, toothed bars, bevel gears, worms and worm wheels, splined shafts and special parts. The company also provides engineering services, such as the design and calculation of gears, as well as the manufacture of customized solutions for specific customer requirements.

Heinz Lienhard AG 

Herzogenbuchsee · Since 1984

The core activity of Heinz Lienhard AG is heat treatment and surface technology of metal parts, particularly hardening, annealing, case hardening, nitrocarburizing, glowing, browning and hardness testing. The company also offers additional services such as shot peening and sandblasting, straightening, shrinking, washing and deep freezing.

HiveNet GmbH 

Herzogenbuchsee · Since 2016

The company's core activity is software development, particularly the creation of customized software solutions for clients. The company develops web applications, planning tools, e-commerce websites, and other software products based on modern technologies such as React,.NET Core, Java, Oracle, and others. Software development encompasses both the development of new systems and the modernization of existing ones.

IAT Holding AG 

Herzogenbuchsee · Since 2017

Kabofina AG 

Herzogenbuchsee · Since 2006

The core activity of Kabofina AG encompasses two main areas: 1. **Workshop and Storage**: The company offers workshop and storage spaces, indicating industrial or artisanal activities. 2. **Real Estate Rental and Management**: Under the brand "Hagez", the company rents out office, seminar, practice, creative, studio, and sales spaces of various sizes to SMEs (Small and Medium-sized Enterprises).

Kämpfer + Co AG 

Herzogenbuchsee · Since 2002

Kämpfer + Co AG provides roofing, wall cladding and waterproofing services, including planning, installation and maintenance of flat and pitched roofs, façades, metalwork and lightning protection.

Kämpfer Group AG 

Herzogenbuchsee · Since 2009

Kämpfer Group AG is a company for roof, wall and waterproofing technology. Its services include planning, installation and maintenance of flat and pitched roofs, metalwork and lightning protection, facade and photovoltaic solutions, as well as crane rental, scaffolding, maintenance and expert assessments.

Kämpfer Holding AG 

Herzogenbuchsee · Since 2020

Kämpfer Holding AG provides roofing, wall and sealing-technology services, carrying out flat and pitched roof work, sheet‑metal and lightning‑protection installations. The company also offers facade and photovoltaic installations, scaffold and crane rental, maintenance and repair services, and independent expert assessments.

Karl Anliker AG 

Herzogenbuchsee · Since 1958

The core activity of Karl Anliker AG is the production of precision components, in particular gears, through gear cutting, turning, milling and assembly. The company offers complete solutions and contract manufacturing in a wide range of materials, shapes and quantities, positioning itself as a specialist in the production of gears with the highest precision.