GTEC Holdings Ltd, formerly Black Birch Capital Acquisition III Corp, is Canada-based company that is engaged in the alternative medicine sector. GTEC Holdings Ltd is comprised of a number of cultivation facilities under Health Canada’s Access to Cannabis for Medical Purposes Regulations (ACMPR). GTEC Holdings Ltd is focused on growing craft cannabis in purpose-built indoor facilities. The Company holds interest in GreenTec Bio-Pharmaceuticals Corp., Tumbleweed Farms Corp., Falcon Ridge Naturals Ltd., Alberta Craft Cannabis Inc., formerly known as Grenex Pharms Inc., Grey Bruce Farms Inc., Zenalytic Laboratories Ltd. and Spectre Labs Inc. GreenTec Bio-Pharmaceuticals Corp is the Company’s flagship subsidiary.