Clean Rooms International INC
At a glance
Employees20-99
In business since1982
HeadquartersGrand Rapids, MI
US patents2
SAM.gov UEITDBLH2WNX727
CAGE code3JWG9
Incorporated inMI
- modular cleanroom systems
- pass-through cabinets
- SAM® Fan Filter Units
- Terminal Diffusers
- particle counts
- environmental conditions
- HEPA-filtered environments
- controlled environments
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationManufacturer of GoodsSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Patents
2 US patents granted 1986–1992, none of them in the five years to SEP 2025.
Chemical engineering 1Thermal processes and apparatus 1
- Air filtration unitUS 5,167,681 · granted DEC 1, 1992
- Clean room head assemblyUS 4,620,869 · granted NOV 4, 1986
Granted to Clean Rooms International, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Clean Rooms International INC | Grand Rapids | 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.