Tb Ammunition LLC | Ridgway | PA | Fabricated Metal Product Manufacturing332992 | — | ● ACTIVE |
| AMAdvantage Metal Powders | Ridgway | PA | Fabricated Metal Product Manufacturing332117 | 20-99 | ◐ LIKELY ACTIVE |
| ASAlpha Sintered Metals | Ridgway | PA | Primary Metal Manufacturing331523 | 100-499 | ◐ LIKELY ACTIVE |
| ITIon Technologies | Ridgway | PA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| CSClarion Sintered Metals | Ridgway | PA | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| ACAllegheny Coatings | Ridgway | PA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| ACAllegheny Coatings-boot Jack | Ridgway | PA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| SDSecondary Development and Research, INC. | Ridgway | PA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| SMSt Marys Pressed Metals INC | Ridgway | PA | Fabricated Metal Product Manufacturing332117 | 1-19 | ◇ UNVERIFIED |
| BTBluewater Thermal Solutions - Ridgway | Ridgway | PA | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| MSMetaldyne Sintered Components Ridgway | Ridgway | PA | Fabricated Metal Product Manufacturing332117 | — | ◐ LIKELY ACTIVE |
| AAAmerican Axle & Manufacturing Ridgway | Ridgway | PA | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
| CSClarion Sintered Metals, Inc. Main Plant | Ridgway | PA | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
| CSClarion Sintered Metals, Inc. South Plant | Ridgway | PA | Fabricated Metal Product Manufacturing332117 | 20-99 | ◐ LIKELY ACTIVE |
| SSSami Super Abrasive Machining and Innovations, LLC | Ridgway | PA | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |