| SFSchwer Fittings GmbH Denkingen, GermanyManufacturing | Construction structures and materials; auxiliary products to construction (except electric apparatus) Edelstahl Rohrverschraubungen Armaturen Schlauchtechnik | |
| SDSystemair Deutschland Boxberg, GermanyManufacturing | Lüftungs- Und Klimatechnik Lüftungssysteme Klimasysteme | |
| HHHewi Heinrich Wilke GmbH Bad Arolsen, GermanyManufacturing | Construction structures and materials; auxiliary products to construction (except electric apparatus) Sanitär Baubeschlag Barrierefrei | |
| RKROMA KG Burgau, GermanyManufacturing | Construction structures and materials; auxiliary products to construction (except electric apparatus) Sonnenschutz-Systeme Rollladen Raffstoren | |
| FAFAIST Anlagenbau GmbH Krumbach (Schwaben), GermanyManufacturing | Construction work Installation services (except software) Schallschutz Anlagenbau Power Systems | |
| PPEHA GmbH Lüdenscheid, GermanyManufacturing | Construction work Installation services (except software) Elektroinstallation Energieeinsparung Komfort | |
| MMagnosphere GmbH Köln, GermanyManufacturing | Construction structures and materials; auxiliary products to construction (except electric apparatus) Neodym Magnete Supermagnete Permanentmagnete | |
| NTNassau Tore GmbH Radevormwald, GermanyManufacturing | Construction structures and materials; auxiliary products to construction (except electric apparatus) Sektionaltore Industrietore Garagentore | |
| LLUCTRA® Iserlohn, GermanyManufacturing | LED Stehleuchten Bürobeleuchtung Blendfreie Leuchten | |
| BBenecke-Kaliko AG Hannover, GermanyManufacturing | Construction structures and materials; auxiliary products to construction (except electric apparatus) | |