Pine Test Equipment INC | Grove City | PA | Computer and Electronic Product Manufacturing334516 | — | ● ACTIVE |
Piramal Critical Care INC | Bethlehem | PA | Chemical Manufacturing325411 | 100-499 | ● ACTIVE |
| PSPixelle Spec Solutions Llc/spring Grove | Spring Grove | PA | Paper Manufacturing322110 | 500+ | ● ACTIVE |
| PFPlainville Farms | New Oxford | PA | Food Manufacturing311615 | 500+ | ● ACTIVE |
Pleiger Plastic Company, Lllp | Washington | PA | Chemical Manufacturing325211 | 20-99 | ● ACTIVE |
Plouse Machine Shop, INC. | Highspire | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
Polysciences INC | Warrington | PA | Chemical Manufacturing325199 | 100-499 | ● ACTIVE |
Polytek Development CORP | Easton | PA | Chemical Manufacturing325211 | 20-99 | ● ACTIVE |
Powerex, INC. | Youngwood | PA | Machinery Manufacturing333924 | 100-499 | ● ACTIVE |
| PDPrecision Defense Services INC | Irwin | PA | Fabricated Metal Product Manufacturing332710 | 100-499 | ● ACTIVE |
| PRPrecision Roll Grinders INC | Allentown | PA | Fabricated Metal Product Manufacturing332710 | 100-499 | ● ACTIVE |
| PIPre-mach INC | York | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
| PMPride Mobility Products Corporation | Duryea | PA | Electrical Equipment, Appliance & Component Manufacturing335999 | 500+ | ● ACTIVE |
| PCPrysmian Cables & Sys USA Llc/williamsport Plt | Williamsport | PA | Primary Metal Manufacturing331318 | 100-499 | ● ACTIVE |
Pulse Technologies INC | Quakertown | PA | Fabricated Metal Product Manufacturing332721 | — | ● ACTIVE |
| PLPyromet LLC | Aston | PA | Primary Metal Manufacturing331314 | 20-99 | ● ACTIVE |
Radius Corporation | Kutztown | PA | Miscellaneous Manufacturing339994 | — | ● ACTIVE |
Ralph S Alberts CO INC | Montoursville | PA | Plastics and Rubber Products Manufacturing326150 | 20-99 | ● ACTIVE |
Reading Precast INC | Leesport | PA | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ● ACTIVE |
Reimel Machine INC | Willow Grove | PA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Rex Heat Treat Lansdale INC | Lansdale | PA | Fabricated Metal Product Manufacturing332811 | — | ● ACTIVE |
Richter Precision INC | East Petersburg | PA | Fabricated Metal Product Manufacturing332812 | 100-499 | ● ACTIVE |
| RMRoechling Medical Lancaster | Denver | PA | Miscellaneous Manufacturing339112 | 100-499 | ● ACTIVE |
Sauereisen INC | Pittsburgh | PA | Chemical Manufacturing325510 | 20-99 | ● ACTIVE |
Say Plastics, INC. | Mcsherrystown | PA | Plastics and Rubber Products Manufacturing326199 | 20-99 | ● ACTIVE |
Scheerer Bearing CORP | Willow Grove | PA | Fabricated Metal Product Manufacturing332911 | 20-99 | ● ACTIVE |
Schott North America, INC. | Duryea | PA | Nonmetallic Mineral Product Manufacturing327212 | 100-499 | ● ACTIVE |
Sealstrip CORP | Gilbertsville | PA | Paper Manufacturing322220 | 20-99 | ● ACTIVE |
| SCShalmet CORP | Orwigsburg | PA | Primary Metal Manufacturing331221 | 100-499 | ● ACTIVE |
Sharpsville Container CORP | Sharpsville | PA | Fabricated Metal Product Manufacturing332420 | 20-99 | ● ACTIVE |
| SCSignature Custom Cabinetry/ephrata | Ephrata | PA | Furniture and Related Product Manufacturing337110 | 100-499 | ● ACTIVE |
Smooth on INC | Macungie | PA | Chemical Manufacturing325212 | 100-499 | ● ACTIVE |
Solar Atmospheres INC. | Souderton | PA | Fabricated Metal Product Manufacturing332811 | 100-499 | ● ACTIVE |
| STSpecialty Tires of America INC | Indiana | PA | Chemical Manufacturing325400 | 100-499 | ● ACTIVE |
| SMSpectrum Microwave, INC. | State College | PA | Computer and Electronic Product Manufacturing334416 | — | ● ACTIVE |
| SCSpeer Carbon CO | Saint Marys | PA | Electrical Equipment, Appliance & Component Manufacturing335991 | 1-19 | ● ACTIVE |
| SGSpring Glen Fresh Foods | Ephrata | PA | Food Manufacturing311411 | 100-499 | ● ACTIVE |
| SSStandard Steel-burnham Plant | Burnham | PA | Primary Metal Manufacturing331110 | 500+ | ● ACTIVE |
State of the Art, INC. | State College | PA | Computer and Electronic Product Manufacturing334415 | — | ● ACTIVE |
| SDSteel Dynamics, Inc., Flat Roll Group, the Techs Division, Galvtech Plant | Pittsburgh | PA | Fabricated Metal Product Manufacturing332812 | 100-499 | ● ACTIVE |
| SSStellant Systems INC | Williamsport | PA | Computer and Electronic Product Manufacturing334419 | 100-499 | ● ACTIVE |
| SMSt Marys Carbon Co., INC. | Saint Marys | PA | Electrical Equipment, Appliance & Component Manufacturing335991 | — | ● ACTIVE |
| SIStoner INC | Quarryville | PA | Chemical Manufacturing325612 | — | ● ACTIVE |
Strait Steel INC | Greencastle | PA | Fabricated Metal Product Manufacturing332312 | 20-99 | ● ACTIVE |
Strategy Milling, LLC | Leetsdale | PA | Miscellaneous Manufacturing339116 | — | ● ACTIVE |
Sun Precast Co., INC. | Beaver Springs | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ● ACTIVE |
| STSuperior Tire & Rubber/warren | Warren | PA | Plastics and Rubber Products Manufacturing326211 | 100-499 | ● ACTIVE |
Superior Tube Company, INC. | Collegeville | PA | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
| SNSurteco North Amer Inc/jeannette Plt | Jeannette | PA | Chemical Manufacturing325211 | 100-499 | ● ACTIVE |
Sussex Wire INC | Easton | PA | Fabricated Metal Product Manufacturing332618 | 20-99 | ● ACTIVE |