Solenoid Solutions, INC | Erie | PA | Fabricated Metal Product Manufacturing332911 | 20-99 | ● ACTIVE |
| SLSolo Laboratories, INC. | Kutztown | PA | Miscellaneous Manufacturing339113 | 20-99 | ● ACTIVE |
Sonic Systems INC | Warminster | PA | Electrical Equipment, Appliance & Component Manufacturing335999 | 20-99 | ● ACTIVE |
Spartronics Williamsport, INC. | Williamsport | PA | Computer and Electronic Product Manufacturing334412 | — | ● 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 |
Spike's Trophies, Limited | Philadelphia | PA | Miscellaneous Manufacturing339999 | 20-99 | ● ACTIVE |
| SGSpring Glen Fresh Foods | Ephrata | PA | Food Manufacturing311411 | 100-499 | ● ACTIVE |
Sps Technologies, LLC | Jenkintown | PA | Fabricated Metal Product Manufacturing332722 | 500+ | ● ACTIVE |
Src Elastomerics, INC. | Philadelphia | PA | Chemical Manufacturing325212 | 100-499 | ● ACTIVE |
Staar Distributing LLC | Reynoldsville | PA | Fabricated Metal Product Manufacturing332312 | 1-19 | ● ACTIVE |
Standard Offset Printing Co., INC. | Lititz | PA | Printing and Related Support Activities323110 | 100-499 | ● ACTIVE |
| SSStandard Steel-burnham Plant | Burnham | PA | Primary Metal Manufacturing331110 | 500+ | ● ACTIVE |
Starfire CORP | Carrolltown | PA | Chemical Manufacturing325920 | 1-19 | ● ACTIVE |
Starn Tool & Manufacturing Company | Meadville | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
Stauffer Diesel, INC. | Ephrata | PA | Machinery Manufacturing333611 | 20-99 | ● ACTIVE |
| SDSteel Dynamics, Inc., Flat Roll Group, the Techs Division, Galvtech Plant | Pittsburgh | PA | Fabricated Metal Product Manufacturing332812 | 100-499 | ● ACTIVE |
Steel Fab Enterprises, INC | Lancaster | PA | Fabricated Metal Product Manufacturing332312 | — | ● ACTIVE |
Stein Seal Company | Kulpsville | PA | Transportation Equipment Manufacturing336412 | 100-499 | ● ACTIVE |
| SSStellant Systems INC | Williamsport | PA | Computer and Electronic Product Manufacturing334419 | 100-499 | ● ACTIVE |
Sterling Machine Technologies, INC. | Palmyra | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
Stewart-amos Steel, INC | Harrisburg | PA | Fabricated Metal Product Manufacturing332312 | 20-99 | ● ACTIVE |
| SMSt Marys Carbon Co., INC. | Saint Marys | PA | Electrical Equipment, Appliance & Component Manufacturing335991 | 20-99 | ● ACTIVE |
Stoltzfus Structures LLC | Atglen | PA | Wood Product Manufacturing321992 | 20-99 | ● ACTIVE |
| SIStoner INC | Quarryville | PA | Chemical Manufacturing325612 | 100-499 | ● ACTIVE |
St Products LLC | Duncansville | PA | Primary Metal Manufacturing331420 | 100-499 | ● ACTIVE |
Strait Steel INC | Greencastle | PA | Fabricated Metal Product Manufacturing332312 | 20-99 | ● ACTIVE |
| SSStrata Skin Sciences INC. | Horsham | PA | Computer and Electronic Product Manufacturing334510 | 20-99 | ● ACTIVE |
Strategy Milling, LLC | Leetsdale | PA | Miscellaneous Manufacturing339116 | 1-19 | ● ACTIVE |
Structural Metal Fabricators, INC. | Palmerton | PA | Transportation Equipment Manufacturing336211 | 20-99 | ● ACTIVE |
Suburban Tool & Die Co., INC. | Erie | PA | Machinery Manufacturing333511 | 20-99 | ● ACTIVE |
Sumitomo (shi) Cryogenics of America INC | Allentown | PA | Machinery Manufacturing333415 | 100-499 | ● ACTIVE |
Sunburst Electronics, LLC | Erie | PA | Computer and Electronic Product Manufacturing334418 | 20-99 | ● ACTIVE |
Sun Precast Co., INC. | Beaver Springs | PA | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ● ACTIVE |
Superbolt INC | Clinton | PA | Fabricated Metal Product Manufacturing332722 | 100-499 | ● 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 |
Swab Wagon Company | Elizabethville | PA | Transportation Equipment Manufacturing336211 | 20-99 | ● ACTIVE |
Swanson Erie Corporation | Erie | PA | Machinery Manufacturing333249 | 20-99 | ● ACTIVE |
Tagline INC | Exton | PA | Paper Manufacturing322299 | 1-19 | ● ACTIVE |
Taktl LLC | Turtle Creek | PA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ● ACTIVE |
Tancredi Machining INC | Topton | PA | Fabricated Metal Product Manufacturing332721 | 1-19 | ● ACTIVE |
Tech Met INC | Glassport | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
| TTTech Tube, INC. | King of Prussia | PA | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
Tecklane Manufacturing INC | Springdale | PA | Chemical Manufacturing325510 | 1-19 | ● ACTIVE |
Te Connectivity Corporation | Mount Joy | PA | Computer and Electronic Product Manufacturing334417 | — | ● ACTIVE |
Teletrix Corporation | Pittsburgh | PA | Computer and Electronic Product Manufacturing334519 | 1-19 | ● ACTIVE |
The Beistle Company | Shippensburg | PA | Paper Manufacturing322299 | 100-499 | ● ACTIVE |