| FBFizzano Bros | Crum Lynne | PA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| FCFlexible Circuits Inc/warrington | Warrington | PA | Computer and Electronic Product Manufacturing334412 | 100-499 | ◐ LIKELY ACTIVE |
| FBFox Bindery Inc | Hatfield | PA | Machinery Manufacturing333243 | 20-99 | ◐ LIKELY ACTIVE |
| FLFrito Lay Inc/york | York | PA | Food Manufacturing311919 | 100-499 | ◐ LIKELY ACTIVE |
| FSFrog Switch & Manufacturing CO | Carlisle | PA | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| FSF & S Tool, INC. | Erie | PA | Machinery Manufacturing333249 | 20-99 | ◐ LIKELY ACTIVE |
| FOFunction of Beauty | Paxinos | PA | Chemical Manufacturing325620 | 20-99 | ◐ LIKELY ACTIVE |
Gasbarre Products INC | Dubois | PA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| GMGemini Machining Company, INC. | Easton | PA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
General Carbide CORP | Greensburg | PA | Machinery Manufacturing333511 | 100-499 | ◐ LIKELY ACTIVE |
| GDGeneral Dynamics Ots (pa) INC | Red Lion | PA | Fabricated Metal Product Manufacturing332992 | 100-499 | ◐ LIKELY ACTIVE |
| GPGeneral Partitions | Erie | PA | Fabricated Metal Product Manufacturing332311 | 20-99 | ◐ LIKELY ACTIVE |
| GPGeon Performance Solutions | Croydon | PA | Chemical Manufacturing325991 | 20-99 | ◐ LIKELY ACTIVE |
| GIGeorgeko Industries, INC. | Erie | PA | Plastics and Rubber Products Manufacturing326111 | 20-99 | ◐ LIKELY ACTIVE |
| GNGeorge Nakashima Woodworker | New Hope | PA | Furniture and Related Product Manufacturing337122 | 20-99 | ◐ LIKELY ACTIVE |
| GCGlobal Custom Decorating | Curwensville | PA | Nonmetallic Mineral Product Manufacturing327211 | 20-99 | ◐ LIKELY ACTIVE |
| GOG. O. Carlson, INC. | Oil City | PA | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
Golis Machine Incorporated | Montrose | PA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| GAGraham Architectural Products CORP | York | PA | Fabricated Metal Product Manufacturing332321 | 100-499 | ◐ LIKELY ACTIVE |
| GUGraphics Universal INC | Greencastle | PA | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| GIGreenray Industries, INC. | Mechanicsburg | PA | Computer and Electronic Product Manufacturing334419 | 20-99 | ◐ LIKELY ACTIVE |
| GCGrit Commercial Printing INC | Montoursville | PA | Printing and Related Support Activities323110 | 20-99 | ◐ LIKELY ACTIVE |
| GIGVM Inc | Biglerville | PA | Machinery Manufacturing333111 | 20-99 | ◐ LIKELY ACTIVE |
| HMHarley-davidson Motor CO Operations INC | York | PA | Transportation Equipment Manufacturing336991 | — | ◐ LIKELY ACTIVE |
| HCHarmony Castings | Harmony | PA | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| HPHeeter Printing CO | Canonsburg | PA | Printing and Related Support Activities323111 | 100-499 | ◐ LIKELY ACTIVE |
Helder Technology INC | Reading | PA | Computer and Electronic Product Manufacturing334419 | — | ◐ LIKELY ACTIVE |
| HIHennecke INC | Bridgeville | PA | Machinery Manufacturing333249 | 20-99 | ◐ LIKELY ACTIVE |
| HCHenwil CORP | Newell | PA | Chemical Manufacturing325311 | 20-99 | ◐ LIKELY ACTIVE |
| HHH & H Castings | York | PA | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| HTHighland Tank, LLC (Stoystown, PA) | Stoystown | PA | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
Homewood Energy Services CORP | Pittsburgh | PA | Electrical Equipment, Appliance & Component Manufacturing335312 | 20-99 | ◐ LIKELY ACTIVE |
| HTHoover Treated Wood Products Oxford Facility | Oxford | PA | Wood Product Manufacturing321114 | 20-99 | ◐ LIKELY ACTIVE |
| HTHytech Tool & Design CO. | Edinboro | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| IIIgs Industries INC | Meadow Lands | PA | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| ITIndiana Tool & Die | Indiana | PA | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
| ISIndustrial Sales & Manufacturing | Erie | PA | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| IBInsul Board/erie | Erie | PA | Plastics and Rubber Products Manufacturing326140 | 1-19 | ◐ LIKELY ACTIVE |
| IFIntegrated Fabrication & Machine, Inc. | Greenville | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| ITIon Technologies | Ridgway | PA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| IKIpsco Koppel Tubulars CORP | Koppel | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| JAJames Austin Company | Mars | PA | Chemical Manufacturing325611 | 100-499 | ◐ LIKELY ACTIVE |
| JPJamestown Paint Co/mercer | Jamestown | PA | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| JEJeraco Enterprises Inc/milton Plt | Milton | PA | Transportation Equipment Manufacturing336212 | 1-19 | ◐ LIKELY ACTIVE |
| JLJ Lok | Cresson | PA | Chemical Manufacturing325991 | 20-99 | ◐ LIKELY ACTIVE |
| JWJohnstown Wire Tech/johnstown Wire Plt | Johnstown | PA | Primary Metal Manufacturing331222 | 100-499 | ◐ LIKELY ACTIVE |
| JAJowitt and Rodgers Co/state Rd Fac | Philadelphia | PA | Nonmetallic Mineral Product Manufacturing327910 | 20-99 | ◐ LIKELY ACTIVE |
| JFJtm Foods LLC | Erie | PA | Food Manufacturing311812 | 100-499 | ◐ LIKELY ACTIVE |
| KBK B Offset Printing INC | State College | PA | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| KPKenson Plastics | Beaver Falls | PA | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |