Sylvester Sheet Metal
| Location | Manchester, New Hampshire |
| Website | ssmnh.com |
| Processes | Press brake bendingWelding |
| Certifications | None stated |
| Defense work | Not stated |
| Materials | Stated by the shop once the listing is claimed |
| Lead time | Stated by the shop once the listing is claimed |
| Listing | Indexed from public sources, updated October 12, 2026 |