Sargent and Greenleaf
Security and InvestigationsKentucky, United States51-200 Employees
Sargent and Greenleaf designs and manufactures high-security locking solutions that safeguard people and assets, with applications ranging from safes and vaults to ATMs and secure facilities. With a history spanning roughly 160 years, its locks and expertise have been trusted by governments, banks, and businesses to meet security needs and counter evolving threats. Through its affiliated brands, Delaney Hardware and Premier Steel Doors and Frames, it provides door hardware and fixtures as well as commercial doors and frames for residential and multi-family security needs. The firm is based in Nicholasville, Kentucky, and operates as a mid-sized participant in the security and investigations industry. Its customer base includes governments, financial institutions, and other organizations requiring robust safeguards. In December 2025, ASSA ABLOY announced it had acquired Sargent and Greenleaf.