| JSJefferson Smurfit CORP (us) | North Wales | PA | Paper Manufacturing322212 | — | ◇ UNVERIFIED |
| JWJeld Wen INC | Sidman | PA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| JJJet Jack INC | Carnegie | PA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| JRJf Rohrbaugh CO INC | Hanover | PA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| JCJ.h. & C.k. Eagle Mill Site | Kulpmont | PA | Textile Product Mills314999 | — | ◇ UNVERIFIED |
| JIJlg Ind/bedford | Bedford | PA | Fabricated Metal Product Manufacturing332991 | — | ◇ UNVERIFIED |
| JIJlg Ind Inc/state Line Wrecker Plt | Greencastle | PA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| JSJ&l Structural Aliquippa Div | Aliquippa | PA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| JLJ & L Structural INC | Ambridge | PA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| JKJoe Kelley Auto Body/center Square | Center Square | PA | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| JFJohn F Cope Company Incorporated | Rheems | PA | Food Manufacturing311411 | — | ◇ UNVERIFIED |
| JMJohn Maneely CO Wheatland Tube Div - Mill Street | Sharon | PA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| JMJohnson Matthey INC | Conshohocken | PA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| JAJohnstown America CORP. | Johnstown | PA | Furniture and Related Product Manufacturing337900 | — | ◇ UNVERIFIED |
| JSJohnstown Storage | Johnstown | PA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| JFJonah Frameworks | Meshoppen | PA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| JAJordan Acquisition LLC Dba Cylon Auto Matrix | Export | PA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| JMJoseph Mccormick Const/wesleyville | Erie | PA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| JIJostens INC State Coll Plt | State College | PA | Printing and Related Support Activities323117 | — | ◇ UNVERIFIED |
| JTJoy Tech Inc/buffalo St | Franklin | PA | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
| JCJuniata College | Huntingdon | PA | Nonmetallic Mineral Product Manufacturing327121 | — | ◇ UNVERIFIED |
| JCJuniata Concrete CO - Newport Plant 3 | Newport | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| JIJwf Ind Inc/environmental Tank & Container | Johnstown | PA | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| JHJw Harkins Auto Body | Southampton | PA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| KPKamp Printing | Philadelphia | PA | Printing and Related Support Activities323119 | — | ◇ UNVERIFIED |
| KCKaplans Careful Clnr/camp Hill | Camp Hill | PA | Fabricated Metal Product Manufacturing332510 | — | ◇ UNVERIFIED |
| KCKays Cleaners/donora | Donora | PA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| KSKearny Steel Container CORP | Jessup | PA | Paper Manufacturing322219 | — | ◇ UNVERIFIED |
| KBKelman Bottles Llc/glenshaw | Glenshaw | PA | Nonmetallic Mineral Product Manufacturing327213 | — | ◇ UNVERIFIED |
| KFKemps Foods Llc/lancaster | Lancaster | PA | Food Manufacturing311514 | — | ◇ UNVERIFIED |
| KIKennamental Inc/hempfield Twp | Irwin | PA | Machinery Manufacturing333511 | — | ◇ UNVERIFIED |
| KIKennametal INC. | Latrobe | PA | Machinery Manufacturing333511 | — | ◇ UNVERIFIED |
| KIKennametal Inc/colerain Twp Bedford Cast | Bedford | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| KIKennametal INC - Kingston Plant | Latrobe | PA | Primary Metal Manufacturing331491 | — | ◇ UNVERIFIED |
| KKKennametal Kingston Plt | Latrobe | PA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| KAKeystone Automatic Tech/emporium Plt | Emporium | PA | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| KLKeystone Lime Co/galley Quarry | Springs | PA | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| KPKeystone Printing Svc | Hatboro | PA | Printing and Related Support Activities323119 | — | ◇ UNVERIFIED |
| KRKeystone Resources | Mars | PA | Primary Metal Manufacturing331000 | — | ◇ UNVERIFIED |
| KMKiczan Manufacturing INC | N Versailles | PA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| KFKidde Fire Fighting INC | West Chester | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| KFKidde Fire Fighting INC - National Foam INC | Exton | PA | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| KMKim Manufacturing CO | Downingtown | PA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| KCKinder-morgan Company-indianola Refinery | Indianola | PA | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| KCKinsley Const Inc/w Filler Ensminger & Williams Quarries | York | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| KKlearfold/warrington | Warrington | PA | Paper Manufacturing322212 | — | ◇ UNVERIFIED |
| KPK&l Plating CO INC | Huntingdon | PA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| KLK & L Plating in - Lancaster Plant | Lancaster | PA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| KKme | Nesquehoning | PA | Transportation Equipment Manufacturing336120 | — | ◇ UNVERIFIED |
| KFKms Fab LLC | Luzerne | PA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
