Who we are.
Building exceptional businesses. Empowering exceptional people. Invest in and empower exceptional people, accelerate innovation, and build future-ready businesses that deliver lasting value to our communities, partners, and industries.
DNM Mechanical Group
Mechanical Services
Montare Construct
Renovations & Civil Works
Thayer Manufacturing
Manufacturing
DNM Property Group
Property & Development
Part of the 
Company
Our vision is to become a leading acquisition and growth investment firm, recognized for building strong, scalable companies. We are committed to delivering a consistent pipeline of high-quality investment opportunities that drive long-term success.
We focus our expertise across industrial services, MEP, construction, HVAC, manufacturing, and infrastructure support to foster enduring market leadership.
- OUR VISION
Capital that grows companies.
Leadership that grows industries.
- EVOLUTION
Our Story
2026
AMALGAMATION + DNM PROPERTY GROUP ACQUISITION
Unifying the company’s divisions under one group structure to support continued growth and a shared vision for the future.
2025
Strategic acquisition of Thayer lumber
Thayer Lumber, founded in 1904, joins the DNM family—adding over a century of manufacturing heritage to our portfolio.
1994
DNM PLUMBING & HEATING
Founded as a plumbing and heating company.
- OUR COMMITMENT
Why DNM Capital Partners
WE INVEST FOR THE LONG TERM
We Understand Owner-Operated Businesses
Many business owners have spent decades building their companies. DNM Capital Partners focuses on acquiring and growing established businesses while respecting the entrepreneurial culture and values that made them successful.
Long-Term Growth Mindset
DNM Capital Partners is focused on long-term value through strategic investment, operational excellence, and sustainable growth—investing in people, businesses, and communities for the future.
Protecting Your Legacy
For many owners, reputation and employee well-being matter as much as valuation. DNM's people-first approach helps preserve what you've built while supporting future growth.
Access to Capital and Resources
Not every owner wants to step away immediately. DNM supports phased transitions that provide continuity for employees and customers while allowing owners to remain involved during the process.
Flexible Transition Options
With deep roots in Northern Ontario, DNM is committed to investing in local businesses, people, and communities—offering an alternative to selling to a distant financial buyer.
Shared Values. Lasting Commitment.
We're rooted in Sault Ste. Marie and built on trust, long-term relationships, and a commitment to doing what's right. We believe strong businesses strengthen strong communities. That's why we partner with companies to preserve their legacy, invest in their people, and support their long-term success.
- OUR MISSION
Building exceptional businesses.
Empowering exceptional people.
Invest in and empower exceptional people, accelerate innovation, and build future-ready businesses that deliver lasting value to our communities, partners, and industries.
Your business represents years of hard work, relationships, and community impact. DNM Capital Partners helps owners transition with confidence, providing the resources and long-term commitment needed to ensure their legacy continues to thrive.
— VALUE PROPOSITION
More Than a Transaction
Meet Our Leadership
Success begins with belief. Belief that tomorrow can be better, that growth is always possible, and that ordinary people can accomplish extraordinary things. I believe people are capable of far more than they realize, and that with opportunity, hard work, resilience, and a commitment to continuous growth, there is no limit to what they can achieve. Our role as leaders is to create an environment where that potential can thrive
Brandon Stubbs
CEO
CEO
I believe lasting value is created at the intersection of vision, execution, and people. Success is never accidental - it is earned through resilience, integrity, and the collective efforts of individuals united by a common purpose and a shared vision. At DNM Capital Partners, Brandon and I are relentlessly focused on creating the conditions for our portfolio companies to scale, for people to realize their full potential, for innovation to flourish, and for sustainable value to be created for investors, stakeholders, and the communities we serve
Dirk Maritz
COO
COO
Tersia Maritz
Manager of Business Development & Marketing
Emma Reville
VP of Shared Services
Ben Muncaster
Supply Chain Manager