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Staack, LLC

35 Sinawoy Rd, Cos Cob, CT 06807

ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 2 SOURCES

Operating signal within 12 months from two or more independent sources.

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Homepage of Staack, LLC
Their homepage, crawled AUG 2026

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

41.04128, -73.60120 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

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Zierick Mfg CORPMount KiscoMetal Crown, Closure, and Other Metal Stamping (except Automotive)
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Sigmund Cohn CORP.Mount VernonNonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
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Every listed plant in Western Connecticut County

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 websiteOPERATING
    first seen JUL 2026 · last seen OCT 2026
  • SAM.gov entity registrationOPERATING
    Record 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

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