Staack, LLC
35 Sinawoy Rd, Cos Cob, CT 06807
Operating signal within 12 months from two or more independent sources.
What they make
Iron and Steel Forging332111- steel
- aluminum
- copper
- titanium
- magnets
- defense
- automation
- mining
- aerospace
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Hexcel CORP | Stamford | All Other Plastics Product Manufacturing 326199 | ACTIVE | 6.2 KM |
| Proterial America, LTD. | Purchase | Powder Metallurgy Part Manufacturing 332117 | ACTIVE | 10.0 KM |
| US Barricades, LLC | Darien | Concrete Block and Brick Manufacturing 327331 | ACTIVE | 11.6 KM |
| Zierick Mfg CORP | Mount Kisco | Metal Crown, Closure, and Other Metal Stamping (except Automotive) 332119 | LIKELY ACTIVE | 20.2 KM |
| Sigmund Cohn CORP. | Mount Vernon | Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding 331491 | ACTIVE | 23.6 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 WJKEKN3HKRD6 · first seen APR 2026 · last seen AUG 2026
IN WESTERN CONNECTICUT COUNTY2 other plants share this one’s industry (Forging and Stamping, NAICS 3321); 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: STAACK, LLC · AUG 2026
- Street address
- SAM.gov: 35 SINAWOY RD · AUG 2026
- City
- SAM.gov: COS COB · AUG 2026
- State
- SAM.gov: CT · AUG 2026
- Coordinates
- Census geocoder: 41.041279098722,-73.601198388155 · JUL 2026
- Website
- SAM.gov: http://www.staackllc.com · AUG 2026
- CAGE code
- SAM.gov: 5VW50 · AUG 2026
- SAM registration expires
- SAM.gov: 2027-07-31 · AUG 2026


