Photovoltaics in
Rorschach

Carl Franke AG

Since 1980 · 1–10 empl.

Carl Franke AG provides sheet-metal and industrial sheet-metal work. Its services include processing non-ferrous and ferrous metals, roofing and roof inspections, and planning and installing lightning protection systems.

Cioce AG

Since 2010 · 1–10 empl.

The core activity of CIOCE Gebäudetechnik is the planning, installation, maintenance and servicing of building technology systems, including heating, ventilation, air conditioning, sanitary and electrical installations.

Carl Franke Haustechnik AG

Since 2010 · 1–10 empl.·4.6(13)

Carl Franke Haustechnik AG plans and installs plumbing and heating systems, as well as utility lines for residential, commercial and public-sector projects. Its services also include liquefied petroleum gas inspections, project planning, coordination and renovations.

LGTEC AG

Since 2015 · 1–10 empl.

LGTEC AG develops a technology for the metallization of solar cells that enables fine contact grid lines without using silver. The method reduces grid-line widths to about 10 micrometers and produces them in a single process step; the company offers sampling on a demonstrator machine for technology evaluation.

SolarTech Steffen Kopischke

Since 2023 · 1–10 empl.

SolarTech Steffen Kopischke supplies renewable energy products and systems. Its range includes grid-connected and off-grid solar systems, solar hybrid systems, heat pumps and plug-in balcony solar systems, as well as solar panels and accessories.

Rotard Group AG

Since 2022 · 1–10 empl.

GreenPower Projects AG

Since 2008 · 1–10 empl.

Clever Fenster GmbH

Since 2024 · 1–10 empl.

Quality Solar, Inh. Wilhelmy

Since 2024 · 1–10 empl.