Operating signal within 12 months from two or more independent sources.
What they make
Commercial and Service Industry Machinery Manufacturing333314- electron guns
- cathodes
- detectors
- eV parts
- vacuum chambers
- electron gun
- surface physics
- space physics
- processing
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Products
Where these came from
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Sequence Biotech LLC | Amherst | Commercial and Service Industry Machinery Manufacturing 333314 | UNVERIFIED | 14.3 KM |
| Spectral Systems (Jaffrey) | Jaffrey | Commercial and Service Industry Machinery Manufacturing 333314 | LIKELY ACTIVE | 17.0 KM |
| Guild Optical Associates INC | Amherst | Commercial and Service Industry Machinery Manufacturing 333310 | ACTIVE | 18.1 KM |
| Fosta Tek Optics | Leominster | Plastics Material and Resin Manufacturing 325211 | LIKELY ACTIVE | 28.3 KM |
| Precision Optics Corporation INC | Gardner | Commercial and Service Industry Machinery Manufacturing 333310 | ACTIVE | 30.2 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
5 sources hold this plant, and 12 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.
EPA cross-references this facility in NPDES, RCRAINFO, SFDW · EPA site type STATIONARY.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord YLXCFE1F8JP3 · first seen SEP 2025 · last seen SEP 2026
- OSHA injury and illness reportsOPERATINGRecord 1292490 · first seen DEC 2025 · last seen DEC 2025
- DOL Form 5500 retirement plan filingsOPERATINGRecord 042456778|NH|03086|311 kimball hill rd · first seen DEC 2024 · last seen DEC 2024
- EPA Facility Registry ServiceEXISTENCERecord 110046532506 · first seen SEP 2016 · last seen JAN 2022
ALSO RECORDED ASKIMBALL PHYSICS
IN HILLSBOROUGH COUNTY12 other plants share this one’s industry (Commercial and Service Industry Machinery Manufacturing, NAICS 3333); 5 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.
- NameSOURCES DISAGREE
- EPA: KIMBALL PHYSICS · JUL 2026
- SAM.gov: KIMBALL PHYSICS INC · SEP 2026 · ON THIS PAGE
- Street address
- EPA: 311 KIMBALL HILL RD · JUL 2026 · ON THIS PAGE
- SAM.gov: 311 KIMBALL HILL RD · SEP 2026 · ON THIS PAGE
- City
- EPA: WILTON · JUL 2026 · ON THIS PAGE
- SAM.gov: WILTON · SEP 2026 · ON THIS PAGE
- State
- EPA: NH · JUL 2026 · ON THIS PAGE
- SAM.gov: NH · SEP 2026 · ON THIS PAGE
- County (FIPS code)
- EPA: 33011 · SEP 2026
- Coordinates
- EPA: 42.79486,-71.80177 · JUL 2026
- Employees (band)
- OSHA: 20-99 · DEC 2025
- Website
- SAM.gov: http://www.kimballphysics.com · SEP 2026
- CAGE code
- SAM.gov: 5T289 · SEP 2026
- Retirement plan filing (Form 5500)
- DOL: 71 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
- SAM registration expires
- SAM.gov: 2027-08-31 · SEP 2026
- State business registration
- CO SOS: Kimball Physics, Inc., registered with the Colorado Secretary of State; Corporation formed in Delaware; registered 2022-01-26; active, annual report filed 2026-01-02 · JAN 2026


