Supermill, LLC
56 Willow Brook Dr, Berlin, CT 06037
Operating signal within 12 months from two or more independent sources.
What they make
Cutting Tool and Machine Tool Accessory Manufacturing333515Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Royal Machine and Tool Corporation | Berlin | Cutting Tool and Machine Tool Accessory Manufacturing 333515 | ACTIVE | 0.0 KM |
| Precision Punch CORP | Berlin | Cutlery and Handtool Manufacturing 332212 | ACTIVE | 0.4 KM |
| Pro Tool and Design, Incorporated | Berlin | Cutting Tool and Machine Tool Accessory Manufacturing 333515 | UNVERIFIED | 0.6 KM |
| Progress, INC | Newington | Machine Shops 332710 | ACTIVE | 2.0 KM |
| Salform INC | New Britain | Machine Tool Manufacturing 333517 | ACTIVE | 2.3 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
4 sources hold this plant, and 5 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 OCT 2026 · last seen OCT 2026
- Connecticut Secretary of the State business registryOPERATINGRecord CT:001t000000WoUdVAAV · first seen MAR 2026 · last seen MAR 2026
- OSHA injury and illness reportsOPERATINGRecord 967911 · first seen DEC 2025 · last seen DEC 2025
- DOL Form 5500 retirement plan filingsOPERATINGRecord 301025039|CT|06037|56 willow brook dr · first seen DEC 2024 · last seen DEC 2024
IN CAPITOL COUNTY36 other plants share this one’s industry (Metalworking Machinery Manufacturing, NAICS 3335); 22 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.
- Coordinates
- Census geocoder: 41.640688624908,-72.748864806207 · JUL 2026
- Employees (band)
- OSHA: 20-99 · DEC 2025
- Website
- CT SOTS: https://www.supermill.com/ · OCT 2026
- Retirement plan filing (Form 5500)
- DOL: 21 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
- State business registration
- CT SOTS: SUPERMILL LLC, registered with the Connecticut Secretary of the State; Limited liability company formed in Delaware; registered 2020-02-24; active, annual report filed 2026-03-03 · MAR 2026