System Engineering International INC
System Engineering International manufactures DC (direct current) critical power systems and customer-premises power equipment, including uninterruptible power systems, power over ethernet products, and ISDN and VoIP equipment. The company produces DC-UPS units in various configurations such as wall mount and 2U rack mount models at 24 Vdc and 48 Vdc, as well as switchgear UPS and outdoor NEMA UPS products. SEI serves industrial users, wireless providers, telephone service providers, and the military.
Supplier designations
Self-certified by the company in its SAM.gov registration
Their plants
2 FACILITIES| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| System Engineering International, INC. | Frederick | MD | — | UNVERIFIED |
| System Engineering International INC | Frederick | MD | — | 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.