Engineer in
Langenthal

Häusler Ingenieure AG

Since 1992 · 21–50 empl.·5.0(7)

Häusler Ingenieure AG is an engineering consultancy for building services, providing advice, concepts and planning. Its services cover heating, ventilation, air conditioning, cooling and plumbing, as well as energy concepts, energy consulting and optimisation, BIM planning and photovoltaics.

Häusler Consultech AG

Since 1993 · 11–20 empl.·5.0(7)

Häusler Consultech AG is an engineering and consulting firm for building services and energy solutions. Services include planning and advisory work for heating/cooling, ventilation/air conditioning, sanitary systems, energy concepts and energy consulting (including GEAK), photovoltaic systems, BIM planning and water extinguishing systems.

Wälchli & Partner AG

Since 1984 · 21–50 empl.

Wälchli & Partner AG is an independent engineering and planning firm specializing in structural design for reinforced and prestressed concrete, masonry and steel structures. Its services also include foundation and specialist deep-excavation planning, structural preservation (repair and retrofit) and engineering consulting such as seismic checks and feasibility studies.

Güdel AG

Since 2004 · 500+ empl.

Güdel AG develops and supplies machine components and automation solutions for industrial applications. Its products include robot transfer units, linear axes and gantries, gearboxes, linear guides, and racks and pinions.

Airside GmbH

Since 2007 · 1–10 empl.

Airside GmbH is an independent airport consultancy. It provides airport master planning, terminal and security planning, analysis and concept development for new projects and existing facilities.

TOK Productions GmbH

Since 2013 · 1–10 empl.

The core activity of TOK Productions GmbH is the conception, planning and realization of infrastructures, particularly in the field of event technology and IT resources.

Gamag AG Systems

Since 2014 · 1–10 empl.

Hertig Ingenieure AG

Since 1989 · 1–10 empl.·5.0(1)

The core activity of Hertig Ingenieure AG is planning and consulting in the field of building technology, particularly in the areas of building construction and building services. The company provides specialized planning services for buildings and is specialized in sustainable and environmentally friendly solutions, such as Minergie buildings.

MA-Engineering GmbH

Since 2025 · 1–10 empl.

The core activity of MA-Engineering is planning and consulting in the field of electrical engineering, particularly in the areas of electrical planning, lighting planning and photovoltaic planning for construction projects. The company provides individual solutions for its customers and supports them in the implementation of their projects.

Bolognini Energy Consulting

Since 2026 · 1–10 empl.

Bolognini Energy Consulting provides independent PV design and owner’s representation for photovoltaic systems, as well as advice on operational optimization, repowering, assessments, and self-consumption optimization. The company also supports PV projects in industry and commercial settings with technical analysis, monitoring, and market participation strategies.

Klossner Verwaltungen GmbH

Since 1998 · 1–10 empl.

Solit Energie AG

Since 1998 · 1–10 empl.