Accupac, LLC | Mainland | — | ● ACTIVE |
Advanced Powder Products, INC. | Philipsburg | 100–499 | ● ACTIVE |
| AIArkema Inc/west Chester | West Chester | 20–99 | ● ACTIVE |
| BABorchers Americas | Franklin | 20–99 | ● ACTIVE |
Brooks Instrument LLC | Hatfield | 100–499 | ● ACTIVE |
| CKCalumet Karns City Refining | Karns City | 100–499 | ● ACTIVE |
Chemcoat, INC | Montoursville | 20–99 | ● ACTIVE |
Chemcut Holdings, LLC | State College | 20–99 | ● ACTIVE |
| CDChurch & Dwight Company, INC. | York | 500+ | ● ACTIVE |
Conductive Technologies INC | York | — | ● ACTIVE |
Cook Myosite INC | Pittsburgh | 100–499 | ● ACTIVE |
| CCCoopers Creek Chemical CORP | West Conshohocken | 20–99 | ● ACTIVE |
Copperhead Chemical Company INC. | Tamaqua | 20–99 | ● ACTIVE |
Creative Pultrusions INC | Alum Bank | 100–499 | ● ACTIVE |
| CICroda, INC. - Mill Hall, Pa | Mill Hall | 100–499 | ● ACTIVE |
| DNDe Nora Water Technologies LLC | Colmar | 20–99 | ● ACTIVE |
Dynalene INC | Whitehall | 20–99 | ● ACTIVE |
| ECEvonik Corp/chester | Chester | 20–99 | ● ACTIVE |
| FBFrontida Biopharm, INC | Philadelphia | 100–499 | ● ACTIVE |
Fujirebio Diagnostics, INC | Malvern | — | ● ACTIVE |
Gelest, INC | Morrisville | — | ● ACTIVE |
Global Tungsten & Powders LLC | Towanda | 100–499 | ● ACTIVE |
| JLJ Lok | Cresson | 20–99 | ● ACTIVE |
| KBKenvue Brands Llc/lititz | Lititz | 100–499 | ● ACTIVE |
Kvk-tech INC | Newtown | 100–499 | ● ACTIVE |
Latrobe Specialty Metals Co, LLC | Latrobe | — | ● ACTIVE |
| MPMedical Products Laboratories, INC. | Philadelphia | 100–499 | ● ACTIVE |
National Chemical Laboratories of Pa INC | Philadelphia | 20–99 | ● ACTIVE |
| NCNeville Chemical Company | Pittsburgh | 100–499 | ● ACTIVE |
Orasure Technologies INC | Bethlehem | 100–499 | ● ACTIVE |
| PIPalmer Intl INC | Skippack | 20–99 | ● ACTIVE |
| PCPecora CORP | Harleysville | 20–99 | ● ACTIVE |
| PIPhytogenx, INC | Morgantown | 100–499 | ● ACTIVE |
Piramal Critical Care INC | Bethlehem | 100–499 | ● ACTIVE |
Pleiger Plastic Company, Lllp | Washington | 20–99 | ● ACTIVE |
Polysciences INC | Warrington | 100–499 | ● ACTIVE |
Polytek Development CORP | Easton | 20–99 | ● ACTIVE |
Sauereisen INC | Pittsburgh | 20–99 | ● ACTIVE |
Smooth on INC | Macungie | 100–499 | ● ACTIVE |
| STSpecialty Tires of America INC | Indiana | 100–499 | ● ACTIVE |
| SIStoner INC | Quarryville | — | ● ACTIVE |
| SNSurteco North Amer Inc/jeannette Plt | Jeannette | 100–499 | ● ACTIVE |
The Bullen Companies | Folcroft | 20–99 | ● ACTIVE |
| VAVeltek Associates INC | Malvern | 100–499 | ● ACTIVE |
Abbey Color INC | Philadelphia | — | ● ACTIVE |
Acton Technologies INC | Pittston | — | ● ACTIVE |
| AMAtlas Minerals & Chemicals INC | Mertztown | 20–99 | ● ACTIVE |
Biotechnique LLC | York | — | ● ACTIVE |
Cdg Environmental, LLC | Allentown | — | ● ACTIVE |
Combined Systems INC | Jamestown | — | ● ACTIVE |