Manufacturing in St. Lawrence County, New York
The register lists 68 facilities in St. Lawrence, New York. According to the Bureau of Labor Statistics, 40 establishments were counted in St. Lawrence in 2025.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and benchmark
Biggest cities
Federal labor statistics counted at least 40 manufacturing establishments in St. Lawrence County in 2025, employing about 1,061 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 68.
Facilities7 FACILITIES
Listing 7 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 |
|---|---|---|---|---|---|
| Alcoa USA CORP. | Massena | Primary Metal Manufacturing | 331313 | 100–499 | LIKELY ACTIVE |
| Alcoa USA CORP | Massena | Primary Metal Manufacturing | 331312 | 100–499 | LIKELY ACTIVE |
| Curran Renewable Energy LLC | Massena | Fabricated Metal Product Manufacturing | 332811 | 20–99 | LIKELY ACTIVE |
| Alcoa Massena Operations - West Plant | Massena | Primary Metal Manufacturing | 331312 | — | LIKELY ACTIVE |
| Reynolds Metal CO LLC | Massena | Primary Metal Manufacturing | 331312 | — | LIKELY ACTIVE |
| Gm Powertrain - Massena Plant | Massena | Primary Metal Manufacturing | 331524 | — | UNVERIFIED |
| seaway pharma inc | Massena | Miscellaneous Manufacturing | 339113 | 1–19 | UNVERIFIED |