Century Seals, INC.

503 Harrington St, Seaford, DE 19973

ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 5 SOURCES

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

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Their homepage, crawled JUL 2026

What they make

Other Electronic Component Manufacturing334419

metal hermetically sealed components
FIN-TEC
plating finishes
microcircuit packaging industry
packages
relays
headers
feedthroughs
machined packaging

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

Products

Made or handled here · 6

custom packages · dual in line package dip header · machined kovar packages · relay header base · sensors to packages · sight glasses

Where these came from

6 from the company’s own website · Company website

url-slug on https://www.centuryseals.com/product/custom-packages.htm

CAREERS

Careers page — seen SEP 8, 2026

Where it is

38.63589, -75.62233 · CENSUS TIGER

COUNTY

Sussex County

METRO AREA

Seaford, DE

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STREET VIEW

Open street-level view — JUL 2024

Other plants nearby

Facility	City	Industry	Status	Distance
Craig Technologies INC	Seaford	All Other Plastics Product Manufacturing 326199	ACTIVE	2.2 KM
Mcv Microwave East INC	Laurel	Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220	ACTIVE	11.6 KM
Spectrum Control INC	Delmar	Other Electronic Component Manufacturing 334419	ACTIVE	20.1 KM
K&l Microwave LLC	Salisbury	Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220	LIKELY ACTIVE	25.9 KM
Filtronic Wireless INC.	Salisbury	Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220	ACTIVE	26.3 KM

Every listed plant in Sussex County

Also at this address

No other federal record shares this street address.

Where this record comes from

5 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 websiteOPERATING
first seen JUL 2026 · last seen OCT 2026
SAM.gov entity registrationOPERATING
Record T6L5BJUM1SP9 · first seen MAY 2026 · last seen AUG 2026
DOL Form 5500 retirement plan filingsOPERATING
Record 510395349|DE|19973|503 harrington st · first seen DEC 2024 · last seen DEC 2024
SBA Paycheck Protection Program loan recordsEXISTENCE
Record DE|seaford|503 harrington st · first seen APR 2020 · last seen APR 2020
SBA 7(a) and 504 loan recordsEXISTENCE
first seen AUG 2016 · last seen AUG 2016

IN SUSSEX COUNTY2 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 1 of them has 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: CENTURY SEALS, INC. · AUG 2026
Street address: SAM.gov: 503 HARRINGTON ST · AUG 2026
City: SAM.gov: SEAFORD · AUG 2026
State: SAM.gov: DE · AUG 2026
Coordinates: Census geocoder: 38.635891425768,-75.622325812768 · JUL 2026
Employees (band): DOL: 20-99 · DEC 2024
Website: SAM.gov: https://www.centuryseals.com · AUG 2026
Year established: Company website: 1999 · AUG 2026
CAGE code: SAM.gov: 3BW86 · AUG 2026
Retirement plan filing (Form 5500): DOL: 43 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
PPP loan: SBA PPP: PPP loan x1, approved 2020-04-15, 23 jobs reported · APR 2020
SAM registration expires: SAM.gov: 2027-08-03 · AUG 2026
SBA loans: SBA: 7a loan x1, jobs 1.0 · AUG 2016

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