Technical Consulting & Engineering in
Derendingen

SPI Planer und Ingenieure AG

Since 1994 · 21–50 empl.·4.9(22)

The core activity of SPI Planer und Ingenieure AG is the provision of engineering services and consulting in the fields of civil engineering, spatial planning, and energy and communication projects. Specifically, this includes: Building construction: structural planning, renovations, foundation and special civil engineering; Civil engineering: wastewater disposal, sewer TV, road construction, hydraulic engineering, water supply; Spatial planning: local planning, traffic planning, traffic engineering; Energy/Communication: energy and communication supply, working plans. The company offers consulting and planning services for construction projects and supports private and public clients in the realization of their projects.

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.

The core activity of Aquaren GmbH is the development, planning, consulting, construction and servicing of system solutions for water treatment and wastewater treatment, particularly in the industrial and commercial sectors. The company offers customized solutions for various industries such as electroplating, painting, die-casting, component cleaning, vehicle washing, pharmaceutical and textile industries.

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.

The company's core activity is the development, manufacture, restoration and repair of guitars and stringed instruments, including custom designs, modifications and analyses, as well as consulting and sales of guitars.

pb Konstruktionen GmbH

Since 1999 · 1–10 empl.

Energie- und Sanierungskonzepte Lüthi

Since 2010 · 1–10 empl.