Engineer in
Immensee

Durrer Spezialmaschinen AG

Since 1990 · 1–10 empl.·4.8(9)

Durrer Spezialmaschinen AG designs and manufactures custom special-purpose machines and complete solutions in mechanical, production and process engineering. Core areas include automation and robotics, vacuum technology (vacuum cooling, drying, welding) and machines for the graphic, food, bakery and packaging industries, with aftersales, revisions and service support.

Polytechnik Swiss AG

Since 2010 · 1–10 empl.

Polytechnik Swiss AG is part of the Polytechnik Group, which plans and delivers biomass plants for heat and power generation. Its activities also include biomass gasification, carbonisation and torrefaction systems, as well as engineering, installation and commissioning.

Durrer Group AG

Since 2025 · 1–10 empl.

Durrer Group AG develops and produces special-purpose machines as well as automation and robotics solutions for various industrial applications. Its portfolio also includes vacuum technology and custom machine solutions, complemented by service, maintenance and after-sales support.

Staark Consulting GmbH

Since 2011 · 1–10 empl.

Staark Consulting GmbH provides services in the areas of engineering, project management, and interim management. They support customers in project development, planning, and implementation, as well as in process optimization and departmental control. Their core activities include creating specifications, conducting tenders, cost optimization, production workflows and optimization, as well as coordinating with subcontractors. They also offer interim management services, where they can act as key performers who can be deployed on short notice to support companies in reorientation, process optimization, reorganization, and departmental control.

renma AG

Since 2021 · 1–10 empl.

renma AG develops and supports renewable energy projects, particularly photovoltaic electricity generation on buildings. Its services include property portfolio analysis, client-side construction advice, and support with financing, procurement, implementation and operation of installations, including contracting.

anteris helvetia AG

Since 2018 · 1–10 empl.

Cominvestment AG

Since 1995 · 1–10 empl.

DARA Swiss GmbH

Since 1999 · 1–10 empl.

uniwerk GmbH

Since 2007 · 1–10 empl.

Horstink (aviation and aerospace) advisory

Since 2025 · 1–10 empl.

Cromanite AG Engineered Solutions

Since 2026 · 1–10 empl.