Since 1948, Sanitär Ribi GmbH in Ermatingen has been your trusted plumbing company for bathroom renovations, new installations and reliable repair services. We handle everything from planning to installation with precision and care. Whether it's a complete bathroom remodel, pipe construction or maintenance work – our certified team ensures high-quality results and timely completion. Experience Swiss craftsmanship and over 75 years of plumbing expertise.

Kather Sanitär Heizung GmbH (Amriswil) delivers plumbing, heating and ventilation services across Switzerland. Since 2003, we support private, commercial and industrial projects—from single-family homes to large-scale builds. We handle planning, installation, upgrades, maintenance and fast troubleshooting. Our services include sanitary installations, bathroom renovations, modern heating systems (heat pumps, oil, gas, wood), underfloor heating, radiators, and ventilation solutions for residential and commercial properties, including heat recovery systems. Expect high-quality materials, efficient processes and personal service.

Sehr gute Bedienung und sehr saubere Arbeit Herzlichen Dank Herr Thomas Scherrer und das ganze Team Gruss vom Glarnerland Hanspeter Cadonau iV GRUMA AG Mitlödi

• Wood assembly construction • Wood element construction • Joinery work • Interior construction and stair construction We provide our high level of expertise to architects, public authorities, private clients, industry and commerce, as well as general contractors. From our central location in Kreuzlingen, we supply and operate throughout the entire Eastern Switzerland region. We are a member of the Holzbau Schweiz association and the VSSM. As an exemplary employer with an employee-oriented corporate culture, we have also been awarded the Holzbau Plus quality label.

Keller + Hofer AG is a trusted provider of heating and sanitary solutions. The company specializes in efficient heating systems, heat pumps, solar and wood-based technologies, as well as high-quality sanitary installations. Services include planning, installation, modernization, maintenance, repairs, and emergency support for new builds and renovations. The focus: reliable, sustainable building technology delivered with technical expertise, clean execution, and strong customer commitment.