Engineer in
Derendingen

SPI Planer und Ingenieure AG

Since 1994 · 21–50 empl.·4.9(22)

SPI Planer und Ingenieure AG is a civil engineering and spatial planning firm working in building and infrastructure projects, local and transport planning, and energy and communications networks. Its services include structural design, road construction, water supply, water engineering and wastewater management.

Hofer Werkstoff-Marketing-Beratung

Since 2009 · 1–10 empl.

Hofer Werkstoff-Marketing-Beratung provides consultancy in material development, product development, manufacturing and marketing, supporting companies with technical and market-oriented product implementation.

Aquaren GmbH

Since 2010 · 1–10 empl.

Aquaren GmbH develops, designs and builds systems for industrial water treatment, wastewater treatment and water reuse. Its offering includes custom systems and technologies such as vacuum evaporation, reverse osmosis, neutralisation, and UV or ozone treatment, as well as commissioning, maintenance and technical support.

Promatec Automation AG

Since 1991 · 1–10 empl.·5.0(1)

Promatec Automation AG develops and manufactures products, components and turnkey automation solutions for various industrial sectors. Offerings include automated storage systems (FlexStore), inhalation anesthesia systems for piglet castration (PorcAnest), rotation modules, profile-system applications and customised automation and components for machine building, medical technology, optics, aircraft and automotive industries.

Aquaren Holding GmbH

Since 2025 · 1–10 empl.

Aquaren Holding GmbH provides solutions for fresh water and wastewater treatment and plans, builds and supports systems for industrial and commercial customers. Its portfolio includes evaporator systems, reverse osmosis, chemical and physical wastewater treatment plants, as well as service, maintenance and spare parts.

Promatec GmbH

Since 2021 · 1–10 empl.·5.0(1)

Promatec GmbH develops and manufactures products, components and complete automation solutions for various industrial sectors. Its offerings include the FlexStore storage system, hydraulic rotation modules, a profile system and the PorcAnest inhalation anaesthesia device for piglet castration, as well as maintenance and spare-parts services.

Heinz Hofer Ingenieurbüro + Gitarrenbau-Atelier

Since 2002 · 1–10 empl.

Heinz Hofer Ingenieurbüro + Gitarrenbau-Atelier develops and makes guitars and other string instruments. The workshop also provides restoration, repair, modification and consulting services.

pb Konstruktionen GmbH

Since 1999 · 1–10 empl.

Energie- und Sanierungskonzepte Lüthi

Since 2010 · 1–10 empl.