Test Products, Incorporated
At a glance
Employees20-99
In business sinceNot reported
HeadquartersSterling Heights, MI
US patents2
SAM.gov UEIKCY8BF78PRF9
CAGE code500E0
Incorporated inMI
- Test Products
- custom electrical test equipment
- transportation industry
- custom software
- hardware design
- prototype development
- data feedback
- predictive analytics reporting
- testing requirements
Named on the company’s own website, read SEP 9, 2026
CareersCareers page — seen SEP 9, 2026
Patents
2 US patents granted 1997–2023, 1 of them in the five years to SEP 2025.
Electrical machinery, apparatus, energy 1Measurement 1
- Portable connector assemblyUS 11,768,222 · granted SEP 26, 2023
- Method for testing a heat sourceUS 5,697,705 · granted DEC 16, 1997
Granted to Test Products, Incorporated · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Test Products, Incorporated | Sterling Heights | MI | 20–99 | 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.


