Sargent & Greenleaf INC
At a glance
Employees100-499
In business since1978
HeadquartersNicholasville, KY
US patents62
SAM.gov UEIJK6PAJA4A575
CAGE code53085
Incorporated inIN
- mechanical locks
- padlocks
- time locks
- gun safe
- Atlas
Named on the company’s own website, read JUL 29, 2026
What they make
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Certifications
UL Listed
Patents
62 US patents granted 1976–2020, none of them in the five years to SEP 2025, including 5 design patents.
Civil engineering 51Control 5Electrical machinery, apparatus, energy 1
- Mechanical override of an electronic lockUS 10,669,744 · granted JUN 2, 2020
- High security electrochemical lockUS 10,415,270 · granted SEP 17, 2019
- System and method of initializing and controlling locksUS 10,134,208 · granted NOV 20, 2018
- Non-intrusive dial rotation detection of high security locksUS 10,032,328 · granted JUL 24, 2018
- Light for keypad bezelUS 9,964,284 · granted MAY 8, 2018
Newest 5 shown · Granted to Sargent & Greenleaf, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Sargent & Greenleaf INC | Nicholasville | KY | 100–499 | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.


