Otto Keller Gartenbau AG (KEGA) is a leading landscaping company in Thurgau and Eastern Switzerland. Services include garden design, new installations, redesigns, paving, retaining walls, roof greening and water features. The company is also specialised in sports turf construction, renovation and maintenance for municipalities and sports facilities. With modern equipment, skilled teams and personal consultation, KEGA creates sustainable outdoor spaces that combine functionality and natural beauty.