Winterthur building-services planners, recognised for alarm and sprinkler design.

Vaud integrator recognised for both fire alarm and sprinkler work.

Zug building-services engineers, recognised for sprinkler design.

Emmental sprinkler contractor.

Fire protection — a cross-sectoral discipline, best planned early.

Basel engineering practice, recognised for sprinkler design.

Toggenburg sprinkler design office.

St. Gallen planners, recognised for sprinkler design.

Sanitary engineers recognised for sprinkler design.

Zürich sprinkler contractor, VKF-recognised to 2030.

Thurgau fire-protection planners, recognised for sprinkler design.

Aargau sprinkler contractor, VKF-recognised to 2030.

Lugano sprinkler and climate-systems contractor.

Bern sprinkler contractor and extinguisher supplier.

Swiss arm of the Drees & Sommer group, recognised for sprinkler design.

Fribourg engineering practice, recognised for sprinkler design.

Lucerne sanitary and sprinkler design office.

Bern engineering practice recognised for alarm and sprinkler design.

Basel fire-protection practice: sprinkler contractor and alarm planner.

Bern sprinkler contractor.

Bern sprinkler contractor with a sprinkler-component approval.

Ticino integrator recognised for both fire alarm and sprinkler work.

Zürcher Oberland sprinkler contractor.

Zug building-services engineers, recognised for sprinkler design.

Interdisciplinary fire-safety engineering for greater protection and comfort.

Swiss engineering and consulting group, recognised for sprinkler design.

Basel sprinkler contractor, VKF-recognised to 2030.

Balsthal fire-protection group: sprinklers, extinguishers and components.

Lucerne building-services engineers, recognised for sprinkler design.

Zürich energy and building-services engineers, recognised for sprinkler design.

Bern building-services engineers, recognised for sprinkler design.

Obwalden sprinkler contractor, VKF-recognised to 2030.

Basel-area sprinkler contractor, VKF-recognised to 2031.

Building-services planners in the Implenia group, recognised for sprinkler design.

Ticino facility manager with a VKF sprinkler recognition.

Lucerne planners, recognised for sprinkler design.

Building-services planners, recognised for alarm and sprinkler design.

Basel engineering group, recognised for sprinkler design to 2031.

Lausanne-area sprinkler specialist.

Lucerne building-technology engineers, recognised for sprinkler design.

Lucerne sprinkler contractor.

Geneva sprinkler contractor, VKF-recognised since the 123xx block.

Vaud sprinkler contractor, VKF-recognised to 2029.

Vaud engineering practice, recognised for sprinkler design.

Aargau sprinkler contractor, VKF-recognised to 2029.