Grayhill INC
At a glance
Employees500+
In business since1943
HeadquartersLa Grange, IL
US patents18
SAM.gov UEIEEJMMEN6C4K9
CAGE code81073
Incorporated inDE
LEI549300QMEQ8F8V35FK24
Brands
This company sells these brands.
- rotary switches
- touch encoders
- joysticks
- keypads
- pushbuttons
- bus displays
- DIP switches
- I/O modules
- racks
- production
- controls
- healthcare
Named on the company’s own website, read JUL 29, 2026
What they make
Open positions
Openings read from Grayhill INC’s own job board on ApplicantPro, last checked OCT 24, 2026. FactoryRegistry does not host applications — each title opens the posting where the company published it.
- Assembler IIICarpentersville, IL, USA · CVille Production · posted OCT 1, 2026
- Certified Process Mold TechIola, WI, USA · Iola - Production · posted AUG 31, 2026
- Assembler Trainee, IolaIola, WI, USA · Iola - Production · posted MAR 17, 2026
- Production Technician IIIola, WI, USA · Iola - Production · posted FEB 16, 2026
- Tool and Die Mold MakerCarpentersville, IL, USA · CVille Production · posted JAN 14, 2026
- Tool and Die Mold MakerIola, WI, USA · Iola - Production · posted MAY 19, 2025
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Certifications
RoHS
Patents
18 US patents granted 1976–2023, 4 of them in the five years to SEP 2025.
Computer technology 8Electrical machinery, apparatus, energy 8Mechanical elements 1Measurement 1
- Touch encoder, touch panel, and input method editor with integrated development environment and methods thereofUS 11,816,280 · granted NOV 14, 2023
- Touch encoder, touch panel, and input method editor with integrated development environment and methods thereofUS 11,281,326 · granted MAR 22, 2022
- No/low-wear bearing arrangement for a knob systemUS 10,847,330 · granted NOV 24, 2020
- Touch encoder, touch panel, and input method editor with integrated development environment and methods thereofUS 10,795,494 · granted OCT 6, 2020
- Method for using a two-dimensional touchpad to manipulate a three dimensional imageUS 10,671,188 · granted JUN 2, 2020
Newest 5 shown · Granted to Grayhill, INC. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Grayhill INC | La Grange | IL | 500+ | 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.


