Castle is Canada's fastest-growing, member-owned buying group serving independent lumber, building material and hardware retailers. Built for independents and powered by collaboration.You keep your independence. We amplify it.
Keep your independence.
Increase your purchasing power.
Access national vendor programs.
Strengthen your local business.
Grow with confidence.
Join a community invested in your success.
Keep your independence.
Increase your purchasing power.
Access national vendor programs.
Strengthen your local business.
Grow with confidence.
Join a community invested in your success.
Every member has a unique story, a unique community and a unique way of doing business. That's why our model is built around flexibility, collaboration and long-term relationships — not a one-size-fits-all solution.
Because when independent businesses succeed, communities thrive.
Keep your independence.
Increase your purchasing power.
Access national vendor programs.
One-on-one attention from dedicated Business Development Manager
Unwavering support from the Castle Head office Team
Strengthen your local business.
Grow with confidence.
Join a community invested in your success.

These aren't words on a wall. They're the foundation of Castle and the reason 350+ independents chose Castle over every other banner.
Independence doesn't mean alone. Castle supports you every step of the way. Our buying group is designed to help our members compete, grow and thrive, without sacrificing what makes them unique.
View All ProgramsYou're Not Just a Location. You're a Leader.
Castle members are the backbone of their local communities. Our 350+ locations are made up of entrepreneurs, community builders, and industry leaders. From small towns to major markets, Castle locations are deeply rooted in the communities they serve — employing local teams, supporting local initiatives, and building lasting customer trust.
When you join Castle, you're not joining a chain. You're joining a collective of independents who believe community matters.
