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Grayhill INC

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www.grayhill.com
Homepage of Grayhill INC
Their homepage, crawled JUL 31, 2026
At a glance
Employees500+
In business since1943
HeadquartersLa Grange, IL
US patents18
SAM.gov UEIEEJMMEN6C4K9
CAGE code81073
Incorporated inDE
LEI549300QMEQ8F8V35FK24
LISTED ON FACTORYREGISTRY100%SOURCE COVERAGE

Brands

Healthcare SolutionsHealthcare SolutionsMilitary SolutionsMilitary SolutionsTailored Standard ProductsTailored Standard Products

This company sells these brands.

Named on the company’s own website, read JUL 29, 2026

What they make

Control products

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.

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

Newest 5 shown · Granted to Grayhill, INC. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0

Their plant

FacilityCityStateEmployeesStatus
Grayhill INCLa GrangeIL500+ 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.