Holding company in
Derendingen

Elri Holding AG

Since 2021 · 1–10 empl.·4.9(22)

Elri Holding AG manufactures and distributes insulation systems for pipelines. Its product range includes PVC and PET claddings, aluminium coverings, PIR/PU foam shells, stone wool products, rubber and PE insulation, together with installation accessories and technical documentation.

Fornax Beteiligungen AG

Since 1990 · 1–10 empl.·3.8(23)

Fornax Beteiligungen AG provides combustion technology, chimney systems and chute solutions along with planning, product supply and installation services. Offerings include wood- and gas-fired fireplaces, stoves (including pellet and storage ovens), ceramic and stainless-steel flue systems and laundry/waste chutes, with products carrying VKF approvals.

SoKu Invest AG

Since 2022 · 1–10 empl.

Stampfli Wicki Holding AG

Since 2021 · 1–10 empl.·4.7(3)

Stampfli Wicki Holding AG is a real estate developer and construction partner that develops and sells turnkey residential projects, including single-family homes and condominiums. The company provides planning, construction and advisory services throughout the purchase and building process, uses payment schedules tied to construction progress, and hands over properties with an SIA-standard guarantee.

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.

SAM - Investment AG

Since 1991 · 1–10 empl.

Sauser Holding AG

Since 2009 · 1–10 empl.

IB Allianz AG

Since 2021 · 1–10 empl.

Gebrüder Schär Beteiligungen GmbH

Since 2022 · 1–10 empl.

Lehmann Finanz GmbH

Since 2024 · 1–10 empl.

KDL Immobilien GmbH

Since 2025 · 1–10 empl.

B.V. Group GmbH

Since 2025 · 1–10 empl.