Installation Companies can be subdivided into two categories: Electrical and Mechanical. Specializations in this field can be found in heating and air-conditioning, water supply systems, sanitary, gas installations, etc. These companies operate in market segments such as education, health care, industry, and commercial, utility and residential buildings. As a supplier to installation companies, Stokvis Trading BV primarily supplies bolts, nuts, and other DIN products. Opting for Stokvis Trading is opting for a great price to quality ratio.