Technical Consulting & Engineering in
Cossonay-Ville

Perusset Paratonnerres SA

Since 1998 · 11–20 empl.·5.0(4)

The core activity of Perusset Paratonnerres SA is the planning, installation, maintenance and repair of lightning protection systems for buildings of all kinds, with the aim of preventing damage caused by lightning strikes.

Léman Engineering SA

Since 2021 · 1–10 empl.

Léman Engineering SA is an engineering firm specializing in the planning and design of electrical and lighting systems for large-scale facilities. The company's core activities involve creating innovative and sustainable solutions for the public, parapublic, and private sectors. In the public and parapublic sectors, the company supports the planning and design of electrical and lighting systems for roads and highways, tunnels, sports facilities, buildings, and cities and municipalities. In the private sector, the company offers solutions for industrial companies, parking garages, SMEs, halls, and buildings. The company supports its clients in implementing their projects, from concept to realization, offering a comprehensive range of services, including electrical engineering, lighting, energy, networks, cable laying, security systems, and monitoring systems. Overall, the company's core activity is the planning and design of electrical and lighting systems for large-scale facilities across various sectors.

ADM-inergie Sàrl

Since 2018 · 1–10 empl.

The core activity of ADM-inergie is consulting and accompanying construction and renovation projects in the field of energy efficiency and sustainable building. In particular, the company offers services such as energy audits, consulting for Minergie projects and the optimization of energy concepts for buildings.

TECH33 Ozkan

Since 1999 · 1–10 empl.

ECA Engineering Sàrl

Since 2009 · 1–10 empl.

ALPHA-GEO Ingénieurs et Géomètres SA, succursale de Cossonay

Since 2012 · 1–10 empl.

DESS-EXP Sàrl

Since 2026 · 1–10 empl.