Who acquired Liedke?: Liedke was acquired into Shell Oil Company, which is the current successor entity in the chain tracked by the OGLandman M&A directory.
Is Liedke still an independent company?: No. Liedke is no longer independent; it is now part of Shell Oil Company.

Tracing a mineral owner's company?

Scout CRM carries corporate lineage in owner records so you know which successor entity a mineral interest rolls up to today.