Manufacturing in St. Mary County, Louisiana
The register lists 81 facilities in St. Mary, Louisiana. The Bureau of Labor Statistics counted 77 establishments in St. Mary, Louisiana, in 2025.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and benchmark
Biggest cities
Federal labor statistics counted at least 77 manufacturing establishments in St. Mary County in 2025, employing about 2,625 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 81.
Facilities9 FACILITIES
Listing 9 of 12: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Industry | NAICS | Employees | Status |
|---|---|---|---|---|---|
| Conrad Shipyard LLC - Deepwater Shipyard | Amelia | Transportation Equipment Manufacturing | 336611 | 100–499 | ACTIVE |
| Bollinger Amelia Operations LLC - Amelia Operations | Amelia | Transportation Equipment Manufacturing | 336611 | 500+ | LIKELY ACTIVE |
| Conrad Amelia | Amelia | Transportation Equipment Manufacturing | 336611 | 100–499 | LIKELY ACTIVE |
| National Oilwell Varco LP - Amelia South Coating Plant | Amelia | Fabricated Metal Product Manufacturing | 332812 | — | LIKELY ACTIVE |
| Gss LLC | Amelia | Transportation Equipment Manufacturing | 336611 | — | LIKELY ACTIVE |
| Bollinger Morgan City LLC | Amelia | Transportation Equipment Manufacturing | 336611 | — | UNVERIFIED |
| Coral Marine | Amelia | Transportation Equipment Manufacturing | 336212 | — | UNVERIFIED |
| Marine Shale Processors INC | Amelia | Nonmetallic Mineral Product Manufacturing | 327000 | — | UNVERIFIED |
| Trelleborg Crp INC | Amelia | Paper Manufacturing | 322219 | — | UNVERIFIED |
