Plx INC.
Doing business as Plx INC
At a glance
Employees1-19
In business since1955
HeadquartersDeer Park, NY
US patents38
SAM.gov UEIZKGULAX7FA93
CAGE code22255
Incorporated inNY
- interferometers
- autocollimators
- beam steering technology
- monolithic optical structure technology
- military
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
Certifications
ISO 9001RoHS
Patents
38 US patents granted 1993–2025, 8 of them in the five years to SEP 2025.
Optics 29Measurement 8Other special machines 1
- Tracking laser range finder system and methodUS 12,422,527 · granted SEP 23, 2025
- System and method for orthogonal laser metrologyUS 12,332,350 · granted JUN 17, 2025
- Mirror-based assemblies, including lateral transfer hollow retroreflectors, and their mounting structures and mounting methodsUS 12,253,741 · granted MAR 18, 2025
- Low profile hollow retroreflector assembly and their mounting structures and mounting methodsUS 12,197,036 · granted JAN 14, 2025
- Mount for an optical structure and method of mounting the optical structure to the mountUS 12,111,512 · granted OCT 8, 2024
Newest 5 shown · Granted to PLX, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Plx INC. | Deer Park | NY | 1–19 | 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.


