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2DLC Architectes Partenaires SA 

Petit-Lancy · Since 2004

2DLC Architectes Partenaires SA is an architectural firm providing design and project management services for new construction as well as renovation and transformation projects. Services listed on the website include feasibility and urban studies, cost estimates and expert appraisal, thermal/energy calculations, 3D imagery, tendering, site supervision and client representation.

2DLC Développement Sàrl 

Petit-Lancy · Since 2005

2DLC Développement Sàrl is an architectural firm providing design and project management services for new construction, renovations and transformations. The website lists services such as feasibility and project studies, thermal/energy calculations, cost estimation, tendering, construction supervision and client representation.

DAES SA 

Petit-Lancy · Since 2001

DAES SA is an engineering consultancy providing numerical simulations and virtual test services for components and systems. It performs multi-physics modelling (mechanical, thermal, fluid, optical, electromagnetic, dynamic), develops custom tools and apps, and offers project support, technical assistance and training using software such as ANSYS and ABAQUS.

Electricité de Lancy SA 

Petit-Lancy · Since 2017

The core activity of Electricité de Lancy SA is the planning, installation and maintenance of electrical systems and installations. The company offers a wide range of services in the field of electrical engineering, including the installation of electrical systems in residential and commercial buildings, the maintenance and repair of electrical systems, as well as consulting and planning of electrical projects.

FINEAMIN SA 

Petit-Lancy · Since 2018

The core activity of FINEAMIN SA is the development, manufacture and marketing of industrial water treatment chemicals and services, particularly for the treatment of water-steam-condensate cycles, cooling water systems and wastewater. The focus is on the production of film-forming amines and other water treatment chemicals that have been developed for industry, especially for power plants, refineries, hospitals and other large consumers.

FlowAir Activity SA 

Petit-Lancy · Since 1989

The core activity of FlowAir SA is the installation, maintenance and repair of ventilation and air conditioning systems, including the dépoussiérage (dedusting) of ventilation systems and the installation of hygro-regulable ventilation systems for administrative and residential buildings.

Léman Fluides SA 

Petit-Lancy · Since 2023

The core activity of Léman Fluides SA is the planning, installation and maintenance of sanitary, heating, ventilation and air conditioning systems. The company offers solutions in these areas and has qualified installers to ensure fast and reliable service throughout Western Switzerland (Suisse romande).

RAS Rhône Assurance Services SA 

Petit-Lancy · Since 1991

RAS Rhône Assurance Services SA provides insurance and risk management services, including risk analysis, negotiation with insurers, portfolio administration and claims support. The company also operates a multilingual call centre for absence management (Caredesk), offers payroll services and markets a real-estate insurance product called Immocasa.

Solveo Group SA 

Petit-Lancy · Since 2024

Solveo Group SA provides insurance solutions and risk management services, including brokerage, risk analysis and administrative management of insurance portfolios. Its services include claims support and insurer negotiations, a multilingual call‑center for absence management (Caredesk), payroll services and a building‑focused product called Immocasa.

Wella International Operations Switzerland S.à r.l. 

Petit-Lancy · Since 2020

Wella International Operations Switzerland S.à r.l. is part of Wella Company and operates a portfolio of professional hair, nail and beauty‑tech brands serving salon professionals and consumer markets. The company’s website lists brands such as Wella Professionals, ghd, OPI, Nioxin, Clairol and Briogeo.