Technical Consulting & Engineering in
Chavannes-Près-Renens

De Cérenville SA

Since 1974 · 21–50 empl.·5.0(9)

De Cérenville géotechnique S.A. is a geotechnical engineering firm that provides geotechnical investigations, laboratory and in-situ testing, design, site monitoring and expert services for new and existing geostructures. Its services also include geothermal project design (energy piles and borehole fields), contaminated-site assessment and remediation, soil studies and river-course management.

Delta Projects Sàrl

Since 2012 · 11–20 empl.

The core activity of Delta Projects Sàrl is the provision of engineering and management services to companies in the food industry. This includes, in particular, the areas of: project development and implementation, management support, sustainability consulting, hygienic engineering, automation concepts, flowsheet and P&ID creation, resource evaluation and planning, installation and commissioning of plants, and maintenance and repair planning. The company supports customers in the development and implementation of projects in the food industry, from concept development to commissioning and maintenance of plants.

RC concept Sàrl

Since 2012 · 1–10 empl.

The core activity of RC Concept is technical building planning and development, particularly in the field of engineering services for building construction.

PSI engineering Sàrl

Since 2024 · 1–10 empl.

PSI engineering Sàrl is an engineering firm focused on building energy and technical systems, offering thermal analyses, SIA 380/1 permit dossiers and CECB energy certificates. Services also include support for renovation and new-build projects, Minergie certification, HVAC system studies and optimization, building physics expertise, and assistance with subsidy applications.

Rénovation Energétique by Own Concept SA

Since 2025 · 1–10 empl.

Rénovation Energétique by Own Concept SA provides services for building energy renovations. The company supports projects from energy assessments and planning to administrative procedures, financing, tendering, execution, and follow-up.

Ener50 Sàrl

Since 2026 · 1–10 empl.

Ener50 Sàrl is a consulting company focused on energy efficiency and decarbonisation. It supports SMEs and project owners with energy audits, carbon footprint assessments, energy mix studies, and building management solutions.

Pourchoux Ingénierie

Since 2021 · 1–10 empl.

Pourchoux Ingénierie is an engineering office for building services (heating, ventilation, air conditioning, sanitary systems and controls) providing design, calculations and BIM services related to building physics.

G.D.S. Gaz Détection Sécurité Sàrl

Since 2026 · 1–10 empl.

G.D.S. Gaz Détection Sécurité Sàrl develops and installs systems for gas detection and indoor air-quality monitoring. The company provides solutions for schools, fitness spaces, climbing gyms, offices, childcare facilities and other environments, including automatic air purification and alert functions.

ab ingénieurs sa

Since 1999 · 1–10 empl.

Rubinstein Scharf Computing and Engineering Consulting

Since 2006 · 1–10 empl.

FT Marine Consultancy, Tischhauser

Since 2010 · 1–10 empl.