WBI AG is a Swiss planning and engineering consultancy delivering infrastructure, rail, structural engineering, municipal engineering, and surveying & GIS services. Since 1955 we manage all phases from studies to commissioning for public, industrial, and private clients. Offices in Regensdorf, Schaffhausen, Langwiesen and new Herisau ensure fast coverage across Northeastern Switzerland. Services include roads and utilities, urban drainage, bridges and structures, rail infrastructure, owner representation, spatial and transport planning, surveying, 3D laser scanning and GIS

WBI AG is a Swiss planning and engineering consultancy delivering infrastructure, rail, structural engineering, municipal engineering, and surveying & GIS services. Since 1955 we manage all phases from studies to commissioning for public, industrial, and private clients. Offices in Regensdorf, Schaffhausen, Langwiesen and new Herisau ensure fast coverage across Northeastern Switzerland. Services include roads and utilities, urban drainage, bridges and structures, rail infrastructure, owner representation, spatial and transport planning, surveying, 3D laser scanning and GIS

M. Thomann AG is your Swiss expert for tank protection, cleaning, renovation, and new tank installations. With over 20 years of experience, we provide professional services for oil tanks, plastic tanks, and rainwater tanks. From inspections and leak protection to interior coatings and tank conversions – we guarantee safety, quality, and environmental compliance. Rely on certified professionals for every aspect of your tank system.

M. Thomann AG is your Swiss expert for tank protection, cleaning, renovation, and new tank installations. With over 20 years of experience, we provide professional services for oil tanks, plastic tanks, and rainwater tanks. From inspections and leak protection to interior coatings and tank conversions – we guarantee safety, quality, and environmental compliance. Rely on certified professionals for every aspect of your tank system.