Ihc INC
Doing business as International Hardcoat
At a glance
Employees100-499
In business sinceNot reported
HeadquartersDetroit, MI
US patents3
SAM.gov UEILDA3Y4FTHDH4
CAGE code9M555
Incorporated inMI
Brands
Military
Nuclear
FirearmsThis company sells these brands.
- sulfuric anodizing
- chromate conversion coating
- hardcoat anodizing
- 000 pieces
- automotive
- aerospace
- military
- nuclear
- firearms
- food preparation
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
Certifications
ISO 9001
Patents
3 US patents granted 1989–1998, none of them in the five years to SEP 2025.
Surface technology, coating 3
- Apparatus for selectively coating metal partsUS 5,750,014 · granted MAY 12, 1998
- Apparatus and method for selective coating of metal partsUS 5,534,126 · granted JUL 9, 1996
- Method and capacitive discharge apparatus for aluminum anodizingUS 4,839,002 · granted JUN 13, 1989
Granted to International Hardcoat, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Ihc INC | Detroit | MI | 100–499 | 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.


