6k Additive, INC. | Burgettstown, PA | Primary Metal Manufacturing331492 | 20–99 | ● ACTIVE |
Advanced Pultrusions LLC | West Mifflin, PA | Plastics and Rubber Products Manufacturing326130 | — | ● ACTIVE |
| APAllegheny Performance Plastics, LLC | Leetsdale, PA | Plastics and Rubber Products Manufacturing326199 | 20–99 | ● ACTIVE |
| CKCalumet Karns City Refining | Karns City, PA | Petroleum and Coal Products Manufacturing324199 | 100–499 | ● ACTIVE |
| CRChestnut Ridge Foam INC | Latrobe, PA | Plastics and Rubber Products Manufacturing326150 | 100–499 | ● ACTIVE |
Chick Machine Company, LLC | Butler, PA | Fabricated Metal Product Manufacturing332710 | 20–99 | ● ACTIVE |
Cid Associates INC | Sarver, PA | Fabricated Metal Product Manufacturing332311 | 20–99 | ● ACTIVE |
C-k Composites Co., LLC | Mount Pleasant, PA | Plastics and Rubber Products Manufacturing326121 | — | ● ACTIVE |
| CIClassic Industries Corporation | Latrobe, PA | Plastics and Rubber Products Manufacturing326199 | 100–499 | ● ACTIVE |
Cook Myosite INC | Pittsburgh, PA | Chemical Manufacturing325414 | 100–499 | ● ACTIVE |
Corestar International Corporation | Irwin, PA | Fabricated Metal Product Manufacturing332710 | 20–99 | ● ACTIVE |
| CCCse Corporation | Export, PA | Machinery Manufacturing333131 | 20–99 | ● ACTIVE |
| DVDanzer Veneer Americas, INC | Darlington, PA | Wood Product Manufacturing321211 | 100–499 | ● ACTIVE |
Du-co Ceramics Company | Saxonburg, PA | Nonmetallic Mineral Product Manufacturing327110 | 100–499 | ● ACTIVE |
| DCDura-bond Coating, INC. -- Duquesne | Duquesne, PA | Fabricated Metal Product Manufacturing332312 | 20–99 | ● ACTIVE |
Duraloy Technologies, INC. | Scottdale, PA | Primary Metal Manufacturing331110 | 100–499 | ● ACTIVE |
Dynamic Manufacturing LLC | Freeport, PA | Computer and Electronic Product Manufacturing334412 | 20–99 | ● ACTIVE |
| ECEaton CORP | Beaver, PA | Nonmetallic Mineral Product Manufacturing327991 | — | ● ACTIVE |
Ellwood City Forge Company | Ellwood City, PA | Fabricated Metal Product Manufacturing332111 | 100–499 | ● ACTIVE |
Fleming Steel CO | New Castle, PA | Fabricated Metal Product Manufacturing332321 | 20–99 | ● ACTIVE |
| GIGatan INC | Warrendale, PA | Computer and Electronic Product Manufacturing334419 | 100–499 | ● ACTIVE |
Gbc Advanced Materials LLC | Latrobe, PA | Nonmetallic Mineral Product Manufacturing327110 | 20–99 | ● ACTIVE |
| HEHoneywell Electronic Materials | Fombell, PA | Primary Metal Manufacturing331410 | 20–99 | ● ACTIVE |
Industrial Scientific Corporation | Pittsburgh, PA | Computer and Electronic Product Manufacturing334513 | 100–499 | ● ACTIVE |
Instrumentation Industries, Incorporated | Bethel Park, PA | Miscellaneous Manufacturing339112 | 20–99 | ● ACTIVE |
Irwin Automation INC | Greensburg, PA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
J.v. Manufacturing CO INC | Natrona Heights, PA | Machinery Manufacturing333514 | 20–99 | ● ACTIVE |
Latrobe Specialty Metals Co, LLC | Latrobe, PA | Chemical Manufacturing325311 | — | ● ACTIVE |
| LCLibertas Copper | Leetsdale, PA | Primary Metal Manufacturing331410 | 100–499 | ● ACTIVE |
L.p. Aero Plastics, INC | Jeannette, PA | Plastics and Rubber Products Manufacturing326199 | — | ● ACTIVE |
Matthews International Corporation | Pittsburgh, PA | Primary Metal Manufacturing331523 | — | ● ACTIVE |
Microsonic, INC | Ambridge, PA | Machinery Manufacturing333248 | — | ● ACTIVE |
| NCNeville Chemical Company | Pittsburgh, PA | Chemical Manufacturing325199 | 100–499 | ● ACTIVE |
Oberg Industries LLC | Freeport, PA | Fabricated Metal Product Manufacturing332710 | 100–499 | ● ACTIVE |
Penn United Technologies INC | Cabot, PA | Fabricated Metal Product Manufacturing332710 | 100–499 | ● ACTIVE |
Pleiger Plastic Company, Lllp | Washington, PA | Chemical Manufacturing325211 | 20–99 | ● ACTIVE |
Powerex, INC. | Youngwood, PA | Machinery Manufacturing333924 | 100–499 | ● ACTIVE |
| PDPrecision Defense Services INC | Irwin, PA | Fabricated Metal Product Manufacturing332710 | 100–499 | ● ACTIVE |
Sauereisen INC | Pittsburgh, PA | Chemical Manufacturing325510 | 20–99 | ● ACTIVE |
| SDSteel Dynamics, Inc., Flat Roll Group, the Techs Division, Galvtech Plant | Pittsburgh, PA | Fabricated Metal Product Manufacturing332812 | 100–499 | ● ACTIVE |
Strategy Milling, LLC | Leetsdale, PA | Miscellaneous Manufacturing339116 | — | ● ACTIVE |
| SNSurteco North Amer Inc/jeannette Plt | Jeannette, PA | Chemical Manufacturing325211 | 100–499 | ● ACTIVE |
Turner Dairy Farms INC | Pittsburgh, PA | Food Manufacturing311511 | 100–499 | ● ACTIVE |
Universal Manufacturing CORP. | Zelienople, PA | Nonmetallic Mineral Product Manufacturing327900 | 20–99 | ● ACTIVE |
Universal Stainless & Alloy Products INC | Bridgeville, PA | Primary Metal Manufacturing331110 | — | ● ACTIVE |
| UGUS Gypsum CO - Aliquippa Facility | Aliquippa, PA | Nonmetallic Mineral Product Manufacturing327420 | 100–499 | ● ACTIVE |
| VIVeka INC | Fombell, PA | Plastics and Rubber Products Manufacturing326121 | 500+ | ● ACTIVE |
| VIVersa-fab INC. | New Kensington, PA | Fabricated Metal Product Manufacturing332322 | 20–99 | ● ACTIVE |
Accutrex Products INC | Canonsburg, PA | Plastics and Rubber Products Manufacturing326130 | 100–499 | ● ACTIVE |
Advanced Computer and Network Corporation | Pittsburgh, PA | Computer and Electronic Product Manufacturing334112 | — | ● ACTIVE |