Rel INC
At a glance
Employees20-99
In business sinceNot reported
HeadquartersCalumet, MI
US patents8
SAM.gov UEIJJH2FJSS7ED4
CAGE code5DLA1
Incorporated inMI
- automated fluorescent penetrant inspection systems
- metal etch solutions
- control systems
- LED lighting
- precision machining
- high strain rate testing
- aerospace
- automotive
- construction
- defense
- government
- medical
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
8 US patents granted 1986–2019, none of them in the five years to SEP 2025.
Materials, metallurgy 3Handling 2Transport 2Audio-visual technology 1
- Thermal isolation for casting articlesUS 10,179,364 · granted JAN 15, 2019
- Composite articles, wear plates and methodsUS 9,956,608 · granted MAY 1, 2018
- Variable-density composite articles, preforms and methodsUS 9,550,341 · granted JAN 24, 2017
- Composite articles, wear plates and methodsUS 9,238,390 · granted JAN 19, 2016
- Thermal isolation for casting articlesUS 9,180,511 · granted NOV 10, 2015
Newest 5 shown · Granted to Rel, INC. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Rel INC | Calumet | 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.