Peter Jung GmbH is an excavation company based in Niederhelfenschwil, Switzerland, offering services such as slope stabilizations (Hangsicherungen) and other earthmoving tasks.

Frefel Bau in Weingarten, Thurgau is your local expert for flat roof renovation, roof repair, facade construction, and sheet metal work . We provide roof maintenance, waterproofing, and eco-friendly green roofs for residential and commercial clients in Weingarten, Kreuzlingen, Romanshorn, and surrounding areas . Rely on our local expertise and sustainable solutions for durable roofs and facades.