Danziger Holding B.V. is the holding company of Teygeler Machinehandel, which sells, maintains and repairs a large number of construction tools.

J. de Jonge Flowsystems provides services related to flow system technology. With such systems, liquids and gases are transported between logistics companies, production facilities and storage locations.

Konstruktiebedrijf Visser B.V. specializes in complex steel structures for construction and renovation. Products include CE-certified constructions, fencing, (emergency exit) stairs and galvanized lintels.

Machine- en Constructiebedrijf Smalo B.V. provides metal repairs of seagoing vessels and ship cranes. The family-run business also manufactures steel constructions for construction projects and for bar-work railing.