Est Group INC
At a glance
Employees100-499
In business sinceNot reported
HeadquartersHatfield, PA
US patents12
SAM.gov UEIN6U1EU32U9J1
CAGE code6T816
Incorporated inPA
- valves
- plugs
- tools
- testing
- inspection
- training
- petrochemical
- refining
- power generation
- shipbuilding
- documentation
- guides
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
12 US patents granted 1997–2024, 4 of them in the five years to SEP 2025.
Mechanical elements 5Measurement 2Computer technology 2Chemical engineering 1Engines, pumps, turbines 1
- Heat exchanger tube plug installationUS 11,965,619 · granted APR 23, 2024
- Ammonia decomposition catalyst and method of decomposing ammonia using the catalystUS 11,883,795 · granted JAN 30, 2024
- Heat exchanger tube plug installationUS 11,788,663 · granted OCT 17, 2023
- Plug assemblyUS 11,448,352 · granted SEP 20, 2022
- Pneumatic test gun with self-actuating restraining elementsUS 10,488,295 · granted NOV 26, 2019
Newest 5 shown · Granted to Est Group, INC. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Est Group INC | Hatfield | PA | 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.


