Primary Metal Manufacturing in Pennsylvania
NAICS 331 · PA
This register lists 761 facilities in Pennsylvania. The Bureau of Labor Statistics counted 388 establishments in Pennsylvania. VICTAULIC CO/FORKS FACILITY, located in Easton, employed 1567 people in 2025.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and product lines
Plants in Pennsylvania566 FACILITIES
Listing 566 of 761: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Hydro Mountain Top | Mountain Top | 100–499 | LIKELY ACTIVE |
| Irvin Plant | West Mifflin | 500+ | LIKELY ACTIVE |
| J&K Salvage | York | 20–99 | LIKELY ACTIVE |
| Jm Steel, Pa | Leetsdale | 20–99 | LIKELY ACTIVE |
| Johnstown Facility | Johnstown | 100–499 | LIKELY ACTIVE |
| Kalas Corporate Center - KC | Denver | 20–99 | LIKELY ACTIVE |
| Kalas Plant 2 - K2 | Denver | 100–499 | LIKELY ACTIVE |
| Latrobe Operations | Latrobe | 100–499 | LIKELY ACTIVE |
| Loucks Mill | York | 20–99 | LIKELY ACTIVE |
| LSM - Latrobe | Latrobe | 500+ | LIKELY ACTIVE |
| LSM - Sandy Creek | Franklin | 20–99 | LIKELY ACTIVE |
| Luxfer MEL Technologies - Tamaqua | Tamaqua | 20–99 | LIKELY ACTIVE |
| Materion - Shoemakersville | Shoemakersville | 100–499 | LIKELY ACTIVE |
| Matthews International Corporation - Pittsburgh Bronze | Pittsburgh | 100–499 | LIKELY ACTIVE |
| Metalac | Latrobe | 1–19 | LIKELY ACTIVE |
| Metallurgical Products Company | West Chester | 1–19 | LIKELY ACTIVE |
| Midland Operations | Midland | 1–19 | LIKELY ACTIVE |
| Nelson Wire & Steel | New Salem | 20–99 | LIKELY ACTIVE |
| NF&M International, Inc. | Monaca | 1–19 | LIKELY ACTIVE |
| NORTH AMERICAN STAINLESS-Wrightsville | Whrightsville | 1–19 | LIKELY ACTIVE |
| Nucor Skyline | Camp Hill | 20–99 | LIKELY ACTIVE |
| nVent ILSCO | Greenville | 20–99 | LIKELY ACTIVE |
| Oci LLC | Brookville | 100–499 | LIKELY ACTIVE |
| ONI Industries | Ambridge | 100–499 | LIKELY ACTIVE |
| OPTA-Edgar Thomson | Braddock | 1–19 | LIKELY ACTIVE |
| Pennex Aluminum Company - Greenville | Greenville | 20–99 | LIKELY ACTIVE |
| Perma Cast | Export | 20–99 | LIKELY ACTIVE |
| Perryman Company Melt Shop | Coal Center | 100–499 | LIKELY ACTIVE |
| Perryman Frackville Operations | Frackville | 1–19 | LIKELY ACTIVE |
| Perryman Ti Conversion | Houston | 100–499 | LIKELY ACTIVE |
| Pittsburgh Service Center | Pittsburgh | 100–499 | LIKELY ACTIVE |
| Prime Metals Acquisition, LLC | Homer City | 20–99 | LIKELY ACTIVE |
| P.t.i. Machine, Incorporated | Delta | — | LIKELY ACTIVE |
| Research and Technology Center | Munhall | 100–499 | LIKELY ACTIVE |
| Rochester Operations | Rochester | 1–19 | LIKELY ACTIVE |
| Sibanye Stillwater Reldan - PA | Fairless Hills | 100–499 | LIKELY ACTIVE |
| Superior Forge & Steel New Castle | New Castle | 20–99 | LIKELY ACTIVE |
| Swagelok Koppel | Koppel | 20–99 | LIKELY ACTIVE |
| Tidewood | Tamaqua PA | 20–99 | LIKELY ACTIVE |
| TIMET-Morgantown | Morgantown | 100–499 | LIKELY ACTIVE |
| Tubecraft Flange LLC | Marienville | — | REPORTED CLOSED |
| Union Electric Steel- Carnegie Plant | Carnegie | 100–499 | LIKELY ACTIVE |
| Union Electric Steel- Harmon Creek Plant | Burgettstown | 100–499 | LIKELY ACTIVE |
| Vandergrift Operations | Vandergrift | 100–499 | LIKELY ACTIVE |
| Viant Collegeville LLC | Collegeville | 100–499 | LIKELY ACTIVE |
| Washington Operations | Washington | 100–499 | LIKELY ACTIVE |
| Webco VAF | Reno | 20–99 | LIKELY ACTIVE |
| Welding Shops | Grindstone | 1–19 | LIKELY ACTIVE |
| Westinghouse Electric Company - Specialty Metals Plant | Blairsville | 100–499 | LIKELY ACTIVE |
| Zelienople Operations | Zelienople | 20–99 | LIKELY ACTIVE |
All primary metal manufacturing nationwide · All manufacturing in Pennsylvania