Metalwork in
Carouge GE

Michel Ona SA

Since 1995 · 1–10 empl.·4.5(14)

The company Michel Ona sa Serrurerie is a specialist in the manufacture, installation and maintenance of metal structures. The core activities include: Metal construction: manufacture of railings, handrails, doors, windows and other metal structures made to measure; Sheet metal work: cutting and folding of steel, stainless steel and aluminum plates up to 3 meters long; Locksmithing: opening doors, replacing cylinders, maintenance and repair of locking systems; Troubleshooting and maintenance: repair and maintenance of metal structures, including inspection, cleaning and lubrication of moving parts; Technical studies and support: conducting diagnoses, creating plans and cost estimates for construction projects. The company thus offers a wide range of services in the field of metal processing and installation.

Metallover SA

Since 1964 · 11–20 empl.·5.0(5)

Metallover SA fabricates and installs metalwork and structural glass elements for buildings and interiors. The company also restores historic buildings, working on metal and glass features either to match the original or to meet contemporary requirements.

Bullinger SA

Since 1993 · 1–10 empl.·5.0(4)

The core activity of Bullinger S.A. consists of the manufacture and installation of various metal constructions, including: doors and gates (including garage doors), portals, mailboxes, display cases, secure locking systems and protection systems. The company also offers soldering work and the installation of security systems.

Vanefer SA

Since 1982 · 1–10 empl.

Pfeiffelmann S.A.

Since 1984 · 1–10 empl.

BDEFER Sàrl

Since 1997 · 1–10 empl.

Protek Building Nefti

Since 2018 · 1–10 empl.

LAMI MONTAGE Sàrl

Since 2020 · 1–10 empl.

Serrurier Wagner

Since 2024 · 1–10 empl.

AVL Construction Sàrl

Since 2026 · 1–10 empl.