Douglas Marine Group LLC
At a glance
EmployeesNot reported
In business sinceNot reported
Industry
HeadquartersShelby Township, MI
US patents1
SAM.gov UEIT4NLYRMB9KJ8
CAGE code16K45
Incorporated inMI
- boat covers
- convertible tops
- complete enclosures
- repairs
- custom-made services
- canvas accessories
- boating
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
1 US patent granted AUG 11, 2009.
Transport 1
- Marine outdriveUS 7,572,158 · granted AUG 11, 2009
Granted to Douglas Marine Corporation · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Douglas Marine Group LLC | Shelby Township | MI | — | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.

