D. W. Evans Electric, INC.
Doing business as Certek
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersDurham, NC
US patents4
SAM.gov UEIKXL3WR6UPVM4
CAGE code687Y7
Incorporated inNC
Brands
CertekThis company sells these brands.
- containment products
- mobile laboratories
- decontamination
- door interlock systems
- remote indicator light stations
- pressure monitor systems
- filters
- filter change-out
- maintenance plans
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
4 US patents granted 1980–2003, none of them in the five years to SEP 2025.
Other special machines 2Medical technology 1Handling 1
- Method of coatingUS 6,517,898 · granted FEB 11, 2003
- Coated part, coating and method of coatingUS 6,103,362 · granted AUG 15, 2000
- Roll-stand brakeUS 5,503,349 · granted APR 2, 1996
- Apparatus for biological decontamination and subsequent neutralization of a spaceUS 4,241,020 · granted DEC 23, 1980
Granted to Certek Ltd. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| D. W. Evans Electric, INC. | Durham | NC | — | 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.