M & K Filze GmbH: Felt. Felt ware, Felt and felt ware, Wool felt; Magnesitwerk Aken Vertriebsgesellschaft mbH: Refractory products, Refractory for the steel industry, Ceramic products; Magnet-Schultz GmbH & Co. KG Spezialfabrik für elektromagnetische Apparate: Hub-, Dreh- und Schwingmagnete; Ventil- magnete und Pneumatik; Steuer- und Propor- tionalmagnete für Hydraulik; Sondermagnet- ventile; Elektromagnetkup...; Johann Maier GmbH & Co.KG: Screws and nuts, Machine engineering, machine components, Bolts; MAN DWE GmbH: Pressure reservoirs and boilers, Chemical reactors, Apparatus, machines and equipment for the chemical and related industries; MANGELS MESS- UND REGELTECHNIK : Switches, switch apparatus, Relays, switch gears, Machines and installations for the mineral oil and gas industry, Recording instruments; ...