Tamarack Group is a dynamic, multi-industry Group Purchasing Organization (GPO) built on the power of collective impact. We enable organizations to achieve measurable value through strategic procurement, data-driven decision-making, and trusted supplier partnerships. Headquartered in Canada and the United States, our reach extends across Greenland, Mexico, Madagascar, and throughout the African continent. Tamarack connects local insight with global scale — driving efficiencies, strengthening supply chains, and empowering our members to focus on what they do best: delivering exceptional performance in their industries.
Lead Pastor
Paul Calvin worked as a social worker and geologist. His devotion to God made him come to this path.
Pastor
Benjamin Keach was a physicist who decided to become a pastor in our church and serve the community and God.
Pastor
Paolo Segneri was also a social worker who served humanity for a long time. He became our pastor to start serving God.
Pastor
Tobia Lionelli was a teacher who started learning about Jesus Christ and decided to serve as a pastor.
With roots in the global mining industry and over 40 member mines, Tamarack is built by miners, for miners. We deliver smarter, data-driven procurement that drives savings, strengthens supplier partnerships, and powers performance across every operation.
Tamarack delivers precision, performance, and trust to defence procurement. We help organizations source smarter, faster, and more securely — combining data-driven insight with deep industry expertise. Our strategic approach strengthens supplier networks, enhances operational readiness, and ensures every mission has the support it needs to succeed.
Tamarack helps utilities secure reliable supply, control costs, and meet sustainability goals through smarter, data-driven procurement. From energy to infrastructure, we power efficiency where it matters most.
Tamarack is a Group Purchasing Organization, representing mining companies that collectively form our membership. We negotiate on behalf of our members, to place high value contracts in the market.
We established Canada’s first accredited First Nations Group Purchasing Organization with Des Nedhe Group
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