Connections2 linksShared operator — likely the same administratorKEREL Keramik- und Elementebau GmbHShared officer / director · 3 share thisTransport- und Frischbeton-Gesellschaft mit beschränkter HaftungShared officer / director · 3 share thisA shared address, domain or mail server is a lead, not a verdict — most often the same administrator (accountant / corporate-services provider), not a single group.