Sifos Technologies INC
At a glance
Employees1-19
In business sinceNot reported
HeadquartersAndover, MA
US patents3
SAM.gov UEIEYBCXWMW4UD8
CAGE code7R0L8
Incorporated inMA
- 10/100/1000 Ethernet interfaces
- PoE Power Sourcing Equipment
- PoE Powered Devices
- PoE Test instruments
- comprehensive test suite
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationManufacturer of GoodsSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Patents
3 US patents granted 2009–2018, none of them in the five years to SEP 2025.
Digital communication 2Measurement 1
- Method and apparatus for evaluating Ethernet powered devicesUS 10,060,965 · granted AUG 28, 2018
- Method and apparatus for testing network interfacesUS 9,203,730 · granted DEC 1, 2015
- Apparatus providing power-over-ethernet test instrumentUS 7,627,398 · granted DEC 1, 2009
Granted to Sifos Technologies, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Sifos Technologies INC | Andover | MA | 1–19 | 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.


