Updated:
Simpson Strong-Tie
Structural connectors, fasteners, anchoring systems, and construction hardware for wood, cold-formed steel, and mass timber. Trusted by builders since 1956.
Overview
Structural connectors, fasteners, anchoring systems, and construction hardware for wood, cold-formed steel, and mass timber. Trusted by builders since 1956.
General information
Year founded
1956
Location
Region
North America
Country
United States
City
Pleasanton
Corporate office
Pleasanton, CA, United States
Principals
Barclay Simpson
Founder
Sector focus
Frequently asked questions
What exactly does Simpson Strong-Tie manufacture?
Simpson Strong-Tie makes structural connectors, fasteners, anchors, shearwalls, moment frames, and continuous-rod systems for wood, cold-formed steel, structural steel, concrete, and mass timber. The company also sells carbon- and glass-fiber polymer products for concrete repair and strengthening, plus design and estimating software for construction professionals.
Why do structural engineers specify Simpson Strong-Tie by name?
Simpson products carry code listings backed by the firm's own in-house testing and engineering. That vertical integration — testing, code-report authorship, and software that default-specifies Simpson connections — creates a specification moat. Engineers get a code-listed solution and software support in one workflow, making substitution administratively costly.
Is Simpson Strong-Tie a public company?
No. Simpson Strong-Tie is privately held and has been since Barclay Simpson founded it in 1956. The company does not publicly disclose revenue, profit, or ownership structure.
Does Simpson Strong-Tie only serve the US market?
The firm's primary disclosed footprint is North America, but its products are specified in international projects through distribution and engineering channels. The website and product literature focus on US and Canadian code listings, with the home office in Pleasanton, California.
How does the firm support mass-timber construction?
Simpson Strong-Tie launched Timber-SET epoxy, the first code-listed glued-in-rod adhesive for mass timber in North America, paired with threaded rods, centering caps, and reinforcing screws. The system targets high-capacity steel-to-wood connections in glulam and cross-laminated timber projects.
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