Proteus INC
120 Senlac Hills Dr, Rm Main, Chagrin Falls, OH 44022
Operating signal within 12 months from two or more independent sources.
What they make
Other Measuring and Controlling Device Manufacturing334519- BaF2
- GYSO
- LYSO
- detector demands
- scintillation
- detectors
- prototypes
- evaluation pieces
- commercial requirements
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Process Valve & Equipment CO | Chagrin Falls | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513 | ACTIVE | 0.8 KM |
| Integrated Development & Manufacturing Company | Chagrin Falls | Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use 334512 | ACTIVE | 0.8 KM |
| Seapoint Sensors, INC. | Chagrin Falls | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511 | ACTIVE | 2.2 KM |
| Embedded Planet INC | Solon | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513 | REPORTED CLOSED | 6.9 KM |
| Andeen-hagerling INC | Solon | Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515 | ACTIVE | 7.0 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
3 sources hold this plant, and 10 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen AUG 2026
- SAM.gov entity registrationOPERATINGRecord Q2MSL47HTM66 · first seen AUG 2025 · last seen JUL 2026
- SBA Paycheck Protection Program loan recordsEXISTENCERecord OH|chagrin falls|120 senlac hills dr · first seen MAY 2021 · last seen MAY 2021
IN CUYAHOGA COUNTY62 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 38 of them have a size band on record.
What each source says
Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
- Name
- SAM.gov: PROTEUS INC · JUL 2026
- Street address
- SAM.gov: 120 SENLAC HILLS DR · JUL 2026
- City
- SAM.gov: CHAGRIN FALLS · JUL 2026
- State
- SAM.gov: OH · JUL 2026
- Coordinates
- Census geocoder: 41.4292950099,-81.384869689333 · JUL 2026
- Employees (band)
- SBA PPP: 1-19 · MAY 2021
- Website
- SAM.gov: www.proteus-pp.com · JUL 2026
- CAGE code
- SAM.gov: 1UH92 · JUL 2026
- PPP loan
- SBA PPP: PPP loan x1, approved 2021-05-07, 2 jobs reported · MAY 2021
- SAM registration expires
- SAM.gov: 2027-07-06 · JUL 2026


