Capstan Management, INC.
1 Winnisimmet St, Chelsea, MA 02150
Operating signal within 12 months from two or more independent sources.
What they make
Ship Building and Repairing336611HOMEPAGE------ Dry Docking~ ABS Certified Welding~~~~ --- SUMMARY: Our Historic 7-acre waterfront facility in Chelsea, Massachusetts has played an integral role in the Historic Boston Harbor by operating continuously since 1631. More Fitzgerald Shipyard History Clients/Projects Burnham Associates, Inc. Massachusetts Bay Lines Charles River` Charles River Boat Company Luna Preservation Society Nant
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Mass Bay Lines | Chelsea | Ship Building and Repairing 336611 | UNVERIFIED | 0.0 KM |
| Boston Marine Services | Boston | Ship Building and Repairing 336611 | UNVERIFIED | 1.7 KM |
| US Coast Guard Integrated Support Cmnd | Boston | Battery Manufacturing 335912 | LIKELY ACTIVE | 2.5 KM |
| Lv Marine Services INC | Boston | Ship Building and Repairing 336611 | UNVERIFIED | 2.6 KM |
| Sea Machines Robotics, INC | Boston | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511 | ACTIVE | 2.8 KM |
Also at this address
1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.
WHERE THIS RECORD COMES FROM — 3 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.
EPA cross-references this facility in RCRAINFO · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| SAM GOV | OPERATING | OCT 2025 | AUG 2026 |
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| EPA FRS | EXISTENCE | JUN 2023 | JUN 2023 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | AUG 2026 |
| CAGE CODE | SAM GOV | AUG 2026 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | AUG 2026 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | AUG 2026 |
| REGISTRATION EXPIRATION | SAM GOV | AUG 2026 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | AUG 2026 |
| WEBSITE | SAM GOV | AUG 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


