Company Story
1956 - Simpson Manufacturing Co., Inc. was founded by Tom Simpson in Pleasanton, California.
1962 - The company introduced its first anchor bolt, the 'Simpson Strong-Tie' anchor.
1966 - Simpson Manufacturing Co., Inc. went public with an initial public offering (IPO).
1970 - The company expanded its product line to include holdowns and hangers.
1980 - Simpson Manufacturing Co., Inc. introduced its first structural screw, the 'SST'.
1990 - The company expanded globally, opening its first international office in Canada.
2000 - Simpson Manufacturing Co., Inc. acquired the 'Quik Drive' fastening system.
2010 - The company launched its 'Strong-Tie' Rigid Tie RTC product line.
2015 - Simpson Manufacturing Co., Inc. acquired the 'GRK Fasteners' product line.