Underground Systems INC
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersBethel, CT
US patents10
SAM.gov UEIS4HMKSLDW321
CAGE code4CEK8
Incorporated inDE
- engineering
- field services
- pressurizing
- circulation
- cooling plants
- monitoring
- ratings
- diagnostics
- controls
- electric power delivery industry
Named on the company’s own website, read SEP 9, 2026
Patents
10 US patents granted 2000–2021, 1 of them in the five years to SEP 2025.
Measurement 7Control 1Electrical machinery, apparatus, energy 1
- Functional reliability assessment for insulated power cable systemsUS 11,150,291 · granted OCT 19, 2021
- Remote monitoring systemUS 10,607,475 · granted MAR 31, 2020
- Dynamic wide-area earth thermal properties and earth ambient temperature determination systemUS 9,638,586 · granted MAY 2, 2017
- Overhead power line monitorUS 9,069,018 · granted JUN 30, 2015
- Power supply and communications controllerUS 8,497,781 · granted JUL 30, 2013
Newest 5 shown · Granted to Underground Systems, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Underground Systems INC | Bethel | CT | — | 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.