| ABAmer Biodiesel Energy/erie | Erie | — | ◇ UNVERIFIED |
| AMAmerican Machine & Tool CO | Royersford | — | ◇ UNVERIFIED |
| AHAndritz Herr-voss Stamco, INC. | Ambridge | — | ◇ UNVERIFIED |
| AMAsgco Mfg Inc/allentown | Allentown | — | ◇ UNVERIFIED |
| AAtr | Altoona | — | ◇ UNVERIFIED |
| BABeverage Air Brookville Plt | Brookville | — | ◇ UNVERIFIED |
| BCBlaw-knox CORP Chambersburg Facility | Chambersburg | — | ◇ UNVERIFIED |
| BFBrad Foote Gear Works Inc/neville Twp | Pittsburgh | — | ◇ UNVERIFIED |
| BLBurnham LLC Dba Burnham Commercial/dillerville Rd | Lancaster City | — | ◇ UNVERIFIED |
| CGCaterpillar Global Mining Amer Llc/houston | Houston | — | ◇ UNVERIFIED |
| CCegelec | Canonsburg | — | ◇ UNVERIFIED |
| CHCemcolift Hatfield Fac | Hatfield | — | ◇ UNVERIFIED |
| CUCeratizit Usa/latrobe Plt | Latrobe | — | ◇ UNVERIFIED |
| CEChem Equip Labs Inc/marcus Hook | Marcus Hook | — | ◇ UNVERIFIED |
| CACnh Amer LLC - Belleville Facility | Belleville | — | ◇ UNVERIFIED |
| CCCromaglass Corp/williamsport Plt | Williamsport | — | ◇ UNVERIFIED |
| CSCurry Supply CO | Hollidaysburg | — | ◇ UNVERIFIED |
| CECurtis-wright Electromechanical CORP | Cheswick | — | ◇ UNVERIFIED |
| DODev of Sharpsville Furnace/quarry Development | Sharpsville | — | ◇ UNVERIFIED |
| DTDrilling Tools Charleroi | Charleroi | — | ◇ UNVERIFIED |
| EEEarl E Knox CO | Erie | — | ◇ UNVERIFIED |
| EMElkin Mfg INC | Indiana | — | ◇ UNVERIFIED |
| FCFlowserve CORP Scranton Pmc | Clarks Summit | — | ◇ UNVERIFIED |
| FSFl Smidth Inc/manheim Fka Fuller CO | Manheim | — | ◇ UNVERIFIED |
| GWGamesa Wind/fairless Hills Wind Turbine Nacelle Mfg | Fairless Hills | — | ◇ UNVERIFIED |
| GIGasboy Intl Inc/lansdale | Lansdale | — | ◇ UNVERIFIED |
| GFGlenshaw Fac | Glenshaw | — | ◇ UNVERIFIED |
| GMGraham Machinery Group | York | — | ◇ UNVERIFIED |
| HPHale Prod Inc/spring Mill Ave | Conshohocken | — | ◇ UNVERIFIED |
| HAHanson Aggregates Bmc/whitney Quarry | Latrobe | — | ◇ UNVERIFIED |
| HCHarmony Cleaners & Alterations | Harmony | — | ◇ UNVERIFIED |
| HMHeidelberg Materials Ne Llc/torrance Quarry | Blairsville | — | ◇ UNVERIFIED |
| HCHoover Conveyor & Fab/meyersdale | Meyersdale | — | ◇ UNVERIFIED |
| ITIroquois Tool Sys - Wayne St Facility | Erie | — | ◇ UNVERIFIED |
| ICIrwin Car & Equipment | Blairsville | — | ◇ UNVERIFIED |
| IFIrwin Fac | Irwin | — | ◇ UNVERIFIED |
| JIJlg Ind Inc/state Line Wrecker Plt | Greencastle | — | ◇ UNVERIFIED |
| JTJoy Tech Inc/buffalo St | Franklin | — | ◇ UNVERIFIED |
| KCKays Cleaners/donora | Donora | — | ◇ UNVERIFIED |
| KIKennamental Inc/hempfield Twp | Irwin | — | ◇ UNVERIFIED |
| KIKennametal INC. | Latrobe | — | ◇ UNVERIFIED |
| KFKidde Fire Fighting INC - National Foam INC | Exton | — | ◇ UNVERIFIED |
| KKKoller Kleaners/york | York | — | ◇ UNVERIFIED |
| LPLancaster Pump | Lancaster | — | ◇ UNVERIFIED |
| LSLandis Solutions Llc/waynesboro | Waynesboro | — | ◇ UNVERIFIED |
| LVLeybold Vacuum Prods INC | Export | — | ◇ UNVERIFIED |
| LILumax Industries INC. | Altoona | — | ◇ UNVERIFIED |
| MSMajic Svc Yorgeys & Fillings Fine Cleaning Lancaster | Lancaster | — | ◇ UNVERIFIED |
| MAMas Air Systems LLC | New Castle | — | ◇ UNVERIFIED |
| MBMclanahan Beaver Street Facility | Hollidaysburg | — | ◇ UNVERIFIED |
