| IHIn Home Bremen, GermanyFacility Management | Installation services (except software) | |
| AUAdco Umweltdienste Holding Ratingen, GermanyFacility Management | Construction structures and materials; auxiliary products to construction (except electric apparatus) Mobile Toiletten DIXI® GREEN TOI® HYGIENE+ | |
| RKRheinland Kraftstoff GmbH Gelsenkirchen, GermanyEnergy, Utilities & Waste Treatment | Construction structures and materials; auxiliary products to construction (except electric apparatus) Tankstellennetz Treibstoffe Kraftstoffe | |
| TETrinity Energy Limited GermanyEnergy, Utilities & Waste Treatment | Construction structures and materials; auxiliary products to construction (except electric apparatus) | |
| KKnauber Bonn, GermanyEnergy, Utilities & Waste Treatment | Construction structures and materials; auxiliary products to construction (except electric apparatus) Installation services (except software) Energieversorgung Gas Erdgas | |
| NRNRM-Netzdienste Rhein Main Frankfurt am Main, GermanyEnergy, Utilities & Waste Treatment | Installation services (except software) Netzkompetenz Versorgungsnetze Strom | |
| LNLSW Netz GmbH & Co. KG Wolfsburg, GermanyEnergy, Utilities & Waste Treatment | Installation services (except software) Stromnetz Netzbetreiber Energieversorgung | |
| EElen Fürther-Nürnberg, GermanyEnergy, Utilities & Waste Treatment | Installation services (except software) | |
| BEBALANCE Erneuerbare Energien GmbH Leipzig, GermanyEnergy, Utilities & Waste Treatment | Construction structures and materials; auxiliary products to construction (except electric apparatus) Biogasanlagen Biogas Biomethan | |
| MSMainzer Stadtwerke AG Mainz, GermanyEnergy, Utilities & Waste Treatment | Installation services (except software) Stromversorgung Gasversorgung Trinkwasser | |