Sargent and Greenleaf

Sargent and Greenleaf, more commonly known among Safe and Vault technician circles as S&G, is a U.S. company that manufactures combination locks, key-operated safe and safe deposit box locks, high security military padlocks, and associated equipment.

Sargent and Greenleaf
FormerlyJames Sargent Lock Company (1857-1864)
Founded1857; 165 years ago (1857)
FounderJames Sargent
United States
ParentStanley Security Solutions

James Sargent founded the James Sargent Lock Company in 1857. In 1864, he moved to Rochester, New York and the company was renamed Sargent and Greenleaf.[1]

The company is currently headquartered in Nicholasville, Kentucky. It is a subsidiary of Stanley Security Solutions.[2]


  1. ^ Rothschild, Alan; Rothschild, Ann (2015). Make : inventing a better mousetrap : 200 years of American history in the amazing world of patent models. Maker Media, Inc. pp. 49–51. ISBN 1457187140.
  2. ^ "Company Overview of Sargent and Greenleaf, Inc". Bloomberg.

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