Rki Instruments, INC.
Doing business as Rki Instruments INC
At a glance
Employees20-99
In business since1994
HeadquartersUnion City, CA
US patents1
SAM.gov UEIP7N7CLMG7PL1
CAGE code04VL7
Incorporated inCA
- RKI Gas Detectors
- portable gas detectors
- fixed systems detection
- sensors
- semiconductor
- SCADA
- chemical
- construction
- utilities
- marine approvals
- training
- technical support
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
1 US patent granted AUG 25, 2009.
Measurement 1
- Detection of prepped tiresUS 7,578,182 · granted AUG 25, 2009
Granted to RKI Instruments, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Rki Instruments, INC. | Union City | CA | 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.


