Operating signal within 12 months from two or more independent sources.
What they make
Gasket, Packing, and Sealing Device Manufacturing339991- O-rings
- gaskets
- molded rubber parts
- EMI shielding
- thermal management
- vents
- foams
- seals
- adhesives
- Fabrication services
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Products
Where these came from
Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.
Where these came from
CERTIFICATIONS — LISTED ON THE COMPANY’S WEBSITE
- AS9100
- ISO 9001
- ITAR registered
Read from this company’s own website on September 11, 2026. Nobody at the facility has confirmed it here, and FactoryRegistry has not verified these — unlike operating status, which comes from independent public records. A certificate can lapse without the website changing, so ask the facility for current ones.
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| United Silicone INC | Lancaster | Industrial Mold Manufacturing 333511 | LIKELY ACTIVE | 0.8 KM |
| Seal & Design INC | Clarence | Gasket, Packing, and Sealing Device Manufacturing 339991 | ACTIVE | 3.9 KM |
| Innovative Concepts in Entertainment, Inc. | Clarence | Doll, Toy, and Game Manufacturing 339932 | ACTIVE | 5.7 KM |
| Apple Rubber Products, INC. | Lancaster | Rubber Product Manufacturing for Mechanical Use 326291 | ACTIVE | 4.5 KM |
| Sefar INC. | Depew | All Other Miscellaneous Manufacturing 339999 | LIKELY ACTIVE | 6.7 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
4 sources hold this plant, and 13 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 CJADL1FD6J88 · first seen JUN 2026 · last seen SEP 2026
- DOL Form 5500 retirement plan filingsOPERATINGRecord 160902968|NY|14086|4400 walden ave · first seen DEC 2024 · last seen DEC 2024
- SBA Paycheck Protection Program loan recordsEXISTENCERecord NY|lancaster|4400 walden ave · first seen APR 2020 · last seen APR 2020
IN ERIE COUNTY30 other plants share this one’s industry (Other Miscellaneous Manufacturing, NAICS 3399); 12 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: SEALING DEVICES INC. · SEP 2026
- Street address
- SAM.gov: 4400 WALDEN AVE · SEP 2026
- City
- SAM.gov: LANCASTER · SEP 2026
- State
- SAM.gov: NY · SEP 2026
- Coordinates
- Census geocoder: 42.926182324393,-78.607233874246 · JUL 2026
- Employees (band)
- DOL: 100-499 · DEC 2024
- Website
- SAM.gov: http://www.sealingdevices.com · SEP 2026
- Year established
- Company website: 1963 · AUG 2026
- CAGE code
- SAM.gov: 4H712 · SEP 2026
- Retirement plan filing (Form 5500)
- DOL: 229 active participants, plan year ending 2024-12-31, 2 plan(s) · DEC 2024
- PPP loan
- SBA PPP: PPP loan x1, approved 2020-04-15, 215 jobs reported · APR 2020
- SAM registration expires
- SAM.gov: 2027-09-10 · SEP 2026
- State business registrationSOURCES DISAGREE
- CO SOS: Sealing Devices Inc., registered with the Colorado Secretary of State; Corporation formed in New York; registered 2019-03-04; active, annual report filed 2026-04-07 · APR 2026
- Sunbiz: SEALING DEVICES INC, registered with the Florida Department of State, Division of Corporations; Corporation formed in New York; registered 2008-01-28; active, annual report filed 2026-07-22 · JUL 2026
- TX Comptroller: SEALING DEVICES INC, registered with the Texas Comptroller of Public Accounts; Corporation; active