Specialist foundation engineering in
Meyrin

G.E.R. SA

Since 2002 · 21–50 empl.·4.5(4)

G.E.R. SA specialises in the fabrication, installation and maintenance of industrial facilities, as well as gas and other fluid pipeline networks. Its activities include production facilities for the chemical and pharmaceutical industries and district heating and cooling networks.

1AirSup Sàrl

Since 2022 · 1–10 empl.·5.0(7)

The core activity of 1AirSup Sàrl consists of expertise and management of environmental pollutants in buildings, particularly in the Swiss Romandy region. This includes: * Diagnostics and analysis of environmental pollutants such as asbestos, lead, PCB, HAP, and HBCD in buildings * Conducting measurements and tests to determine the concentration of environmental pollutants * Preparation of expert reports and analyses on the results of diagnostics and analysis * Planning and implementation of remediation and decontamination work in buildings contaminated with environmental pollutants * Monitoring and control of construction sites to ensure compliance with environmental and safety standards The company offers its services primarily to private individuals, architects, engineers, public services, and property management companies.

Troi constructions Sàrl

Since 2024 · 1–10 empl.

Troi constructions Sàrl specialises in selecting and installing windows, entrance doors, sliding systems and sun protection. It installs PVC, timber and aluminium windows and other exterior fittings for renovation and new-build projects.

Atlas Technique Piscine Suisse Sàrl

Since 2019 · 1–10 empl.·3.0(2)

Atlas Technique Piscine Suisse Sàrl designs, builds and installs indoor and outdoor swimming pools, including custom pools. It also provides renovation, repair and maintenance services, as well as pool equipment such as filtration and heating systems.

Sylejmani Piscine

Since 2025 · 1–10 empl.

Sylejmani Piscine designs and builds custom swimming pools and carries out renovations, maintenance and repairs. Its services also include seasonal opening and winterisation, water treatment, and pool covers and other safety solutions.

Gypserie, peinture Castor Sàrl

Since 2013 · 1–10 empl.

Chape Service SA

Since 2017 · 1–10 empl.

SMEAA Sàrl

Since 2021 · 1–10 empl.

ISM - Marbrier Sàrl

Since 2022 · 1–10 empl.

K-Coffrage Sàrl

Since 2022 · 1–10 empl.

PEREZ Rénovation et Construction Sàrl

Since 2023 · 1–10 empl.

Excellence Deco & Concept Sàrl

Since 2023 · 1–10 empl.