Simpson Manufacturing Company

Simpson Manufacturing Co., Inc.

Company type	Public
Traded as	NYSE: SSD S&P 400 component
Industry	Building material
Founded	1956; 68 years ago (1956)
Headquarters	5956 W Las Positas Blvd, Pleasanton, California, U.S.
Key people	Barclay Simpson
Products	Structural ties, anchor bolts
Revenue	US$2.214 billion (2023)
Number of employees	3,337 (2019)
Subsidiaries	Simpson Strong-Tie Company Inc.
Website	simpsonmfg.com

Simpson Manufacturing Company is an engineering firm and building materials producer in the United States that produces structural connectors, anchors, and products for new construction and retrofitting.

The company was founded by Barclay Simpson in Oakland in 1956, as a successor to his father's window screen company.^[1] Simpson manufactured joist hangers and the company's subsidiary Simpson Strong-Tie Co. Inc. became a dominant producer of structural connectors in North America and Europe.^[1] The company subsequently moved to Pleasanton and went public in 1994.^[1]^[2]

References

^ ^a ^b ^c Sam Whiting, "Barclay Simpson, philanthropist and building supplies titan, dies", San Francisco Chronicle, November 18, 2014.
^ Neil Henry, "Barclay Simpson: An Oral History", Regional Oral History Office, The Bancroft Library, University of California, Berkeley, 2012–13.

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