Detyens Shipyards INC

What they make

• repairs
• East Coast USA
• drydocks
• cranes
• warehouses
• machine shops
• Marine Atlantic
• Bay Ferries Limited

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

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Main Industries, Inc - South Carolina	North Charleston	Ship Building and Repairing 336611	◐ LIKELY ACTIVE	0.0 KM
DSDetyens Shipyard INC. Charleston	North Charleston	Ship Building and Repairing 336611	◐ LIKELY ACTIVE	0.1 KM
CMCarver Maritime, LLC	North Charleston	Ship Building and Repairing 336611	◐ LIKELY ACTIVE	1.1 KM
Dock Blocks of North America, LLC	North Charleston	Sporting and Athletic Goods Manufacturing 339920	● ACTIVE	3.9 KM
ATAnnex to Charleston Naval Complex	N Charleston	Ship Building and Repairing 336611	◇ UNVERIFIED	6.6 KM

Every listed plant in Charleston County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 sources hold this plant, and 10 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 VLXGTHQE5ES7 · first seen JUN 2026 · last seen JUN 2026
• OSHA injury and illness reportsOPERATING
  Record 1427108 · first seen DEC 2025 · last seen DEC 2025
• DOL Form 5500 retirement plan filingsOPERATING
  Record 570421496|SC|29405|1670 drydock ave · first seen DEC 2024 · last seen DEC 2024

IN CHARLESTON COUNTY30 other plants share this one’s industry (Ship and Boat Building, NAICS 3366); 4 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: DETYENS SHIPYARDS INC · JUN 2026

Street address

SAM.gov: 1670 DRYDOCK AVE BIDG 236 · JUN 2026

City

SAM.gov: N CHARLESTON · JUN 2026

State

SAM.gov: SC · JUN 2026

Coordinates

Census geocoder: 32.860908173561,-79.964048759328 · JUL 2026

Employees (band)

OSHA: 100-499 · DEC 2025

Website

SAM.gov: http://www.detyens.com · JUN 2026

CAGE code

SAM.gov: 4D428 · JUN 2026

Retirement plan filing (Form 5500)

DOL: 246 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024

SAM registration expires

SAM.gov: 2027-06-26 · JUN 2026