Operating signal within 12 months from two or more independent sources.
What they make
Carbon and Graphite Product Manufacturing335991- cathode active materials
- batteries
- engineered graphite
- natural graphite flakes
- synthetic graphite
- electric vehicle
- energy storage applications
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| D Boudreau Electric | Lexington | All Other Miscellaneous Electrical Equipment and Component Manufacturing 335999 | UNVERIFIED | 3.6 KM |
| Bk Medical Holding Company, INC. | Burlington | All Other Miscellaneous Electrical Equipment and Component Manufacturing 335999 | ACTIVE | 5.8 KM |
| Bae Electronics & Integrated Solutions | Lexington | Photographic Film, Paper, Plate, Chemical, and Copy Toner Manufacturing 325992 | UNVERIFIED | 4.5 KM |
| Graphenea INC | Belmont | Semiconductor and Related Device Manufacturing 334413 | ACTIVE | 6.9 KM |
| Diversified Technologies, INC. | Bedford | All Other Miscellaneous Electrical Equipment and Component Manufacturing 335999 | ACTIVE | 6.3 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
2 sources hold this plant, and 8 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 SEP 2026
- SAM.gov entity registrationOPERATINGRecord XVATDAYH7NE5 · first seen DEC 2025 · last seen DEC 2025
IN MIDDLESEX COUNTY50 other plants share this one’s industry (Other Electrical Equipment and Component Manufacturing, NAICS 3359); 17 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: EPSILON ADVANCED MATERIALS INC. · DEC 2025
- Street address
- SAM.gov: 10 BUTTERFIELD RD · DEC 2025
- City
- SAM.gov: LEXINGTON · DEC 2025
- State
- SAM.gov: MA · DEC 2025
- Coordinates
- Census geocoder: 42.443333731337,-71.206422730304 · JUL 2026
- Website
- SAM.gov: https://www.epsilonam.com/ · DEC 2025
- CAGE code
- SAM.gov: 17H08 · DEC 2025
- SAM registration expires
- SAM.gov: 2026-12-16 · DEC 2025