Proteus INC
120 Senlac Hills Dr, Rm Main, Chagrin Falls, OH 44022
Operating signal within 24 months, or from a single source.
What they make
Other Measuring and Controlling Device Manufacturing334519Proteus manufactures scintillation crystals and scintillator detectors using materials including BaF2, BGO, CsI variants, NaI(Tl), GYSO, LYSO, YAG:Ce, YAP:Ce, YSO:Ce, ZnSe, P-terphenyl, and Stillbene. The company provides both prototype and evaluation pieces as well as large-scale commercial production.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
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Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 8 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.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | JUL 2026 |
| SAM GOV | OPERATING | AUG 2025 | AUG 2025 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | SAM GOV | AUG 2025 |
| CAGE CODE | SAM GOV | AUG 2025 |
| CITY | SAM GOV | AUG 2025 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| NAME | SAM GOV | AUG 2025 |
| REGISTRATION EXPIRATION | SAM GOV | AUG 2025 |
| STATE | SAM GOV | AUG 2025 |
| WEBSITE | SAM GOV | AUG 2025 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.