4- MONT is a specialized installation-company within the STAHL s.r.o. Group. The scope of supply and services was extended to engineering services, welding services and special installation services for steel structures and special doors. With experience of installation of security doors, security grids and bomb blast resistant facades on nuclear, military and business projects in Germany, France, Finland, Switzerland, Belgium and Africa, 4-Mont s.r.o. today is one of the leading installation companies. More than 80 employees and 30 freelancers are the guarantee for quality and flexibility.