PrimeSource logo
Simpson Strong-Tie logo
Tree Island logo


 PrimeSource Building Products is the pre-eminent, full-service national provider of the industry’s premier brands. Home to the legendary Grip-Rite and Pro-Twist fastener brands, as well as RailFX, Nationwide Industries, Klinch-Pak, Complete, Ultra-Tec and LockeyUSA, PrimeSource Building Products owns a distinct advantage operating both as a leading manufacturer of proprietary brands and a distributor of premier third-party brands.

Simpson Strong Tie

In the fastener marketplace, Simpson Strong-Tie stands apart from the rest. Quality and reliability is their top priority which is why they hire PhDs, metallurgists, materials engineers, and structural engineers to create the best possible fasteners. Each production run goes through rigorous testing to ensure their products can handle higher loads, resist corrosion, and make installation more efficient.

Tree Island Steel

As North America’s supplier of choice for premium quality steel wire and wire products, Tree Island Steel is an exceptionally focused team driving excellence in manufacturing, supply chain management, customer service and administrative support.