Plumbing & Building Services in
Olten
6 companies in Plumbing & Building Services based in Olten — name and year of registration from the commercial register. The list below shows them all.
All 6 companies in Olten
Haus der Heizung GmbH
Since 2024 · 1–10 empl.5.0(33)
The core activity of the company 'Haus der Heizung GmbH' consists of the installation, maintenance and repair of heating, ventilation, air conditioning and sanitary systems, including the provision of service and maintenance services for these systems.
Riggenbach AG, Lüftungs- und Klimatechnik
Since 1991 · 21–50 empl.4.6(5)
Riggenbach AG, Lüftungs- und Klimatechnik designs, constructs and services complete ventilation, air‑conditioning, refrigeration and energy systems. Its offerings include engineering, in-house sheet‑metal production, installation, building automation and maintenance with a 24-hour service line.
SANTHERM GEBÄUDETECHNIK AG
Since 1990 · 1–10 empl.3.3(7)
SANTHERM GEBÄUDETECHNIK AG provides services in plumbing, heating and controlled residential ventilation. The company operates throughout Switzerland and is part of the Marco Dätwyler Group.
AEK AG
Since 2020 · 11–20 empl.3.2(9)
AEK AG delivers tailored end-to-end solutions in electrical engineering, ICT and building services for private clients, SMEs, large companies and public-sector customers. Services include consulting, planning, installation and maintenance, as well as ICT managed services and 24-hour emergency support.
Sapora Aquatherm-Haustechnik
Since 2003 · 1–10 empl.
Enerplan AG, Zweigniederlassung Olten
Since 2023 · 1–10 empl.
Plumbing & Building Services in Olten
Plumbing & Building Services in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of October 11, 2026
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