Technical Consulting & Engineering in
Oberkirch LU

pi-System GmbH

Since 2008 · 21–50 empl.

The pi-System GmbH develops and implements intelligent solutions for building automation, energy and resource management, as well as facility management. The company's core activity is to offer management systems and solutions for monitoring, controlling and regulating building systems and facilities, with the aim of increasing energy and resource efficiency, reducing costs and protecting the environment.

p+f Expert AG

Since 2021 · 1–10 empl.

p+f Expert AG is listed on the Ziegelindustrie Schweiz website as a member company of the Swiss brick and tile industry. It is therefore part of the sector for clay building materials and ceramic construction products.

HES - Switzerland Sàrl

Since 2018 · 1–10 empl.

HES - Switzerland Sàrl provides technical consulting, site supervision and logistics for hemp‑and‑lime construction projects and supplies materials such as hemp shives, lime hydrate, NHL 5 and hemp‑lime mixers. The company also runs workshops and practical training for professionals on the use of hemp‑lime building systems.

Anergytec AG

Since 2023 · 11–20 empl.

The core activity of Anergytec AG is the analysis, consulting and development of energy and building technology, particularly in integral building automation. The company supports customers in making properties and systems more energy-efficient and offers solutions for optimizing building technology, energy concepts and operational optimization.

Gähwiler Holding GmbH

Since 2025 · 1–10 empl.

Gähwiler Holding GmbH is a Swiss water treatment company. It provides solutions for water softening, filtration, dosing technology, reverse osmosis, UV disinfection, as well as service and repairs.

Siegenthaler Beratungen

Since 2019 · 1–10 empl.

The core activity of Siegenthaler Beratungen is the provision of consulting services for building owners and architects in the areas of building automation, quality assurance, and operational optimization. This includes, in particular: Specialist consulting for building owners and architects, quality assurance for the implementation of organizational and technical measures, operational optimization through data collection, analysis, and evaluation, building automation, including needs assessment and networking of technology and users, integral testing and safety aspects in accordance with regulatory requirements, and the development and implementation of sustainable concepts based on modern and cost-effective technologies.

pv project AG

Since 2009 · 1–10 empl.

Hieminga Dystec

Since 2020 · 1–10 empl.

MR HT-SYSTEM GmbH

Since 2022 · 1–10 empl.