| HPHale Prod Inc/spring Mill Ave | Conshohocken | — | ◇ UNVERIFIED |
| HAHanson Aggregates Bmc/whitney Quarry | Latrobe | — | ◇ UNVERIFIED |
| HCHarmony Cleaners & Alterations | Harmony | — | ◇ UNVERIFIED |
| HBHauck Burner Mfg Cleona | Cleona | — | ◇ UNVERIFIED |
| HMHauck Mfg Co/lebanon Plt | Lebanon | — | ◇ UNVERIFIED |
| HMHeidelberg Materials Ne Llc/torrance Quarry | Blairsville | — | ◇ UNVERIFIED |
| HCHoover Conveyor & Fab/meyersdale | Meyersdale | — | ◇ UNVERIFIED |
| HCHoover Conveyor & Fabrication CORP | Meyersdale | — | ◇ UNVERIFIED |
| ITIroquois Tool Sys - Wayne St Facility | Erie | — | ◇ UNVERIFIED |
| ICIrwin Car & Equipment | Blairsville | — | ◇ UNVERIFIED |
| IFIrwin Fac | Irwin | — | ◇ UNVERIFIED |
| JCJoy Clnr & Tailoring/harrisburg | Harrisburg | — | ◇ UNVERIFIED |
| JTJoy Tech Inc/buffalo St | Franklin | — | ◇ UNVERIFIED |
| KIKalumetals INC -derry Facility | Derry | — | ◇ UNVERIFIED |
| KCKays Cleaners/donora | Donora | — | ◇ UNVERIFIED |
| KAKeller's Auto Body INC | Selinsgrove | — | ◇ UNVERIFIED |
| KIKennamental Inc/hempfield Twp | Irwin | — | ◇ UNVERIFIED |
| KIKennametal INC. | Latrobe | — | ◇ UNVERIFIED |
| KFKidde Fire Fighting INC - National Foam INC | Exton | — | ◇ UNVERIFIED |
| KVKiski Valley Stp/allegheny Twp | Leechburg | — | ◇ UNVERIFIED |
| KKKoller Kleaners/york | York | — | ◇ UNVERIFIED |
| KMKrb Machinery Co/wrightsville | Wrightsville | — | ◇ UNVERIFIED |
| LPLancaster Pump | Lancaster | — | ◇ UNVERIFIED |
| LSLandis Solutions Llc/waynesboro | Waynesboro | — | ◇ UNVERIFIED |
| LVLeybold Vacuum Prods INC | Export | — | ◇ UNVERIFIED |
| LILumax Industries INC. | Altoona | — | ◇ UNVERIFIED |
| LALyons Auto Body | Muncy | — | ◇ UNVERIFIED |
| MSMajic Svc Yorgeys & Fillings Fine Cleaning Lancaster | Lancaster | — | ◇ UNVERIFIED |
| MAMas Air Systems LLC | New Castle | — | ◇ UNVERIFIED |
| MIMatthews Intl Marking Products Division | Pittsburgh | — | ◇ UNVERIFIED |
| MBMclanahan Beaver Street Facility | Hollidaysburg | — | ◇ UNVERIFIED |
| MCMellott Co/warfordsburg Mfg Fac | Warfordsburg | — | ◇ UNVERIFIED |
| MMMetso Minerals Ind INC | York | — | ◇ UNVERIFIED |
| MLMobile Lifts INC | Collegeville | — | ◇ UNVERIFIED |
| MMMonarch Mfg Works INC | Philadelphia | — | ◇ UNVERIFIED |
| MMMorgantown Mach & Hydraulic | Indiana | — | ◇ UNVERIFIED |
| MMMorgantown Machine & Hydraulics | Indiana | — | ◇ UNVERIFIED |
| MMMyers Mfg INC | Greencastle | — | ◇ UNVERIFIED |
| NTNational Torch Tip, INC. | Pittsburgh | — | ◇ UNVERIFIED |
| NTNational Torch Tip INC Weldit Bldg | Pittsburgh | — | ◇ UNVERIFIED |
| NDNoco Distributing | Youngwood | — | ◇ UNVERIFIED |
| NXNordson Xaloy | New Castle | — | ◇ UNVERIFIED |
| OHOne Hour Martinizing/uniontown | Uniontown | — | ◇ UNVERIFIED |
| OSOp Schuman 2001 County Line Road LLC | Warrington | — | ◇ UNVERIFIED |
| PIPax INC | Harrisburg | — | ◇ UNVERIFIED |
| PCPbs Coal Inc/shade Creek Plt | Central City | — | ◇ UNVERIFIED |
| PIPenn-field Industries INC | Quakertown | — | ◇ UNVERIFIED |
| PSPennsylvania Scale CO | Leola | — | ◇ UNVERIFIED |
| PHPeters Heat Treating | Meadville | — | ◇ UNVERIFIED |
| PCPratt Compressor Station | Waynesburg | — | ◇ UNVERIFIED |
