| APAdvantage Precision Plastics | Meadville | — | ◇ UNVERIFIED |
| AHAdventaire Hoods, LLC | Schuylkill Haven | — | ◇ UNVERIFIED |
 Advent Design Corporation | Bristol | — | ◇ UNVERIFIED |
| AIAerotek INC | York | — | ◇ UNVERIFIED |
| AMAlbertini Manufacturing and Supply INC | Lansford | — | ◇ UNVERIFIED |
| AUAlcoil USA LLC | York | — | ◇ UNVERIFIED |
| APAlign Precision | Huntingdon Valley | — | ◇ UNVERIFIED |
| ATAllegheny Tool and Manufacturing Company INC. | Meadville | — | ◇ UNVERIFIED |
| AEAll-fill Expansion | Caln, Township of | — | ◇ UNVERIFIED |
| ALAmeriscend, LLC. | Warminster | — | ◇ UNVERIFIED |
| AIAmity Industries | Alburtis | — | ◇ UNVERIFIED |
| AWA&M Welding and Supply LLC | Tunkhannock | — | ◇ UNVERIFIED |
| AIAndritz INC | Montoursville | — | ◇ UNVERIFIED |
| AIAntares Instruments. INC. | Horsham | — | ◇ UNVERIFIED |
| AHApex Hydraulic & Machine Incorporated | Philipsburg | — | ◇ UNVERIFIED |
| AIArcos Ind Llc/mt Carmel Plt | Mount Carmel | — | ◇ UNVERIFIED |
| ARAsl Refrigeration INC. | Bethlehem | — | ◇ UNVERIFIED |
| ASA. Stucki Company | Farrell | — | ◇ UNVERIFIED |
| ACAti Corporation | East Earl | — | ◇ UNVERIFIED |
| ATAtlantis Technologies LLC | McDonald | — | ◇ UNVERIFIED |
| AUAugers Unlimited, INC. | Coatesville | — | ◇ UNVERIFIED |
| BBBabcock Borsig Power | Erie | — | ◇ UNVERIFIED |
| BBBakerly Barn, LLC | Easton | — | ◇ UNVERIFIED |
| BCBandwidth Company | Warminster | — | ◇ UNVERIFIED |
| BLBcsi, LLC. | Mckeesport | — | ◇ UNVERIFIED |
| BTBeck Tool, INC. | Edinboro | — | ◇ UNVERIFIED |
| BMBec Machine Products, INC. | Harleysville | — | ◇ UNVERIFIED |
| BTBelco Tool & Mfg., INC. | Meadville | — | ◇ UNVERIFIED |
| BIBenson Industries INC | Lebanon | — | ◇ UNVERIFIED |
| BMBergen Machine | Mountain Top | — | ◇ UNVERIFIED |
| BTBertram Tool and Machine Company INC. | Farrell | — | ◇ UNVERIFIED |
| BSBlue Stone, Inc. | Churchville | — | ◇ UNVERIFIED |
| BMBms Machine, INC. | Allentown | — | ◇ UNVERIFIED |
| BPBMW Partners, LLC | Bristol | — | ◇ UNVERIFIED |
| BPBrickhouse Precision, LLC | Erie | — | ◇ UNVERIFIED |
| BWBritton West M-y Lane | Morrisville | — | ◇ UNVERIFIED |
| BLBurnham LLC - Burnham Commercial | Lancaster | — | ◇ UNVERIFIED |
| BMBurrell Mining International | Waynesburg | — | ◇ UNVERIFIED |
 Calgon Carbon Uv Technologies LLC | Coraopolis | — | ◇ UNVERIFIED |
| CICarnot Industries, LLC | Pittsburgh | — | ◇ UNVERIFIED |
| CBCbf Bakery Systems | York | — | ◇ UNVERIFIED |
| CFCeco Filters | Conshohocken | — | ◇ UNVERIFIED |
| CRCelich Real Estate Enterprises LLC | Cochranton | — | ◇ UNVERIFIED |
| CRChinco Resources | Trainer | — | ◇ UNVERIFIED |
| CCChromatan CORP | Ambler | — | ◇ UNVERIFIED |
| CClarcor | Pittston | — | ◇ UNVERIFIED |
| CACnh American Llc/case New Holland | New Holland | — | ◇ UNVERIFIED |
| CICnh Industrial America, LLC | New Holland | — | ◇ UNVERIFIED |
| CCConrail Cabin Service Facility | Conway | — | ◇ UNVERIFIED |
| CWCoolspring Wood Products Sawmill Development | Delaware, Township of | — | ◇ UNVERIFIED |
