Operating signal within 12 months from two or more independent sources.
What they make
Hardware Manufacturing332510- bolts
- deck covers
- cleaning equipment
- door hardware
- scupper plugs
- drains
- forging
- casting
- welding
- machining
- patterns
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 |
|---|---|---|---|---|
| Mci Solutions INC | Bohemia | Other Aircraft Parts and Auxiliary Equipment Manufacturing 336413 | REPORTED CLOSED | 2.0 KM |
| Autodyne Manufacturing CO INC | Bohemia | Printed Circuit Assembly (Electronic Assembly) Manufacturing 334418 | ACTIVE | 2.4 KM |
| Davis Aircraft Products Co., INC. | Bohemia | Other Aircraft Parts and Auxiliary Equipment Manufacturing 336413 | LIKELY ACTIVE | 3.8 KM |
| Mcguigan, INC | Bohemia | Hardware Manufacturing 332510 | LIKELY ACTIVE | 5.0 KM |
| Cjn Machinery, CORP. | Holbrook | Machine Shops 332710 | REPORTED CLOSED | 5.6 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 OCT 2026
- SAM.gov entity registrationOPERATINGRecord DDFLHYM9SBM7 · first seen MAY 2026 · last seen MAY 2026
IN SUFFOLK COUNTY5 other plants share this one’s industry (Hardware Manufacturing, NAICS 3325); 2 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: DOVER MARINE MFG. & SUPPLY CO., INC. · MAY 2026
- Street address
- SAM.gov: 2221 5TH AVE STE 8 · MAY 2026
- City
- SAM.gov: RONKONKOMA · MAY 2026
- State
- SAM.gov: NY · MAY 2026
- Coordinates
- Census geocoder: 40.798175908601,-73.139278081622 · JUL 2026
- Website
- SAM.gov: http://www.dovermarinemfg.com · MAY 2026
- CAGE code
- SAM.gov: 0F5D5 · MAY 2026
- SAM registration expires
- SAM.gov: 2027-05-04 · MAY 2026


