Operating signal within 24 months, or from a single source.
What they make
Printed Circuit Assembly (Electronic Assembly) Manufacturing334418Grayhill manufactures custom engineered control products including rotary switches, encoders, joysticks, keypads, pushbuttons, and CAN Bus displays and interfaces. The company serves vehicle, healthcare, and military industries, and offers value-added assemblies and tailored standard products alongside custom design solutions.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Products
Where these came from
CERTIFICATIONS — LISTED ON THE COMPANY’S WEBSITE
- RoHS
Read from this company’s own website on August 9, 2026. Nobody at the facility has confirmed it here, and FactoryRegistry has not verified these — unlike operating status, which comes from independent public records. A certificate can lapse without the website changing, so ask the facility for current ones.
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Grayhill INC | La Grange | Printed Circuit Assembly (Electronic Assembly) Manufacturing 334418 | UNVERIFIED | 2.8 KM |
| Kalmus & Assoc. INC | Broadview | Bare Printed Circuit Board Manufacturing 334412 | UNVERIFIED | 5.1 KM |
| De Amertek Corporation INC | Oak Brook | Other Electronic Component Manufacturing 334419 | UNVERIFIED | 5.7 KM |
| Filtration Group Corporation | Oak Brook | All Other Miscellaneous Textile Product Mills 314999 | ACTIVE | 6.0 KM |
| Forest Electric CO | Melrose Park | Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing 334416 | UNVERIFIED | 9.1 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 4 FEDERAL SOURCES, 9 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
EPA cross-references this facility in ACES, AIR, AIRS/AFS, EIS, MN-TEMPO, RCRAINFO, TRIS · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | AUG 2025 | AUG 2025 |
| EPA TRI | OPERATING | DEC 2023 | DEC 2023 |
| EPA FRS | EXISTENCE | JUN 2017 | JUN 2017 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | AUG 2025 |
| CAGE CODE | SAM GOV | AUG 2025 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | AUG 2025 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | AUG 2025 |
| REGISTRATION EXPIRATION | SAM GOV | AUG 2025 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | AUG 2025 |
| WEBSITE | SAM GOV | AUG 2025 |
| YEAR ESTABLISHED | SITE YEAR | AUG 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


