Lelantos Holdings, Inc. Announces Its Completed Merger and Acquisition of Lelantos Energy, Inc. as a Wholly Owned Subsidiary LAS VEGAS, March 07, 2023 (GLOBE NEWSWIRE) -- InvestorWire -- Lelantos Holdings, Inc. (OTC PINK: LNTO) (“Lelantos” or the “Company”), formerly ProConcept Marketing Group, Inc., is pleased to...