横山産業 Company Profile

Leave the walls and roof that make up the building to us!

Our company is a specialized trading company for sealing materials and construction waterproofing materials, operating in the Hokuriku region and Niigata Prefecture. In response to diverse environmental changes, we offer new products and construction methods that consider the Earth and people, as well as provide information from various perspectives to meet our customers' needs. Please feel free to contact us if you have any requests.