| GDGeneral Dynamics Ordnance and Tactical Systems, INC. | Red Lion | PA | Machinery Manufacturing333998 | — | ◐ LIKELY ACTIVE |
| GGenesis | Honey Brook | PA | Machinery Manufacturing333993 | 20-99 | ◐ LIKELY ACTIVE |
| GMGold Medal Products Company - Allentown | Allentown | PA | Machinery Manufacturing333241 | 1-19 | ◐ LIKELY ACTIVE |
| GMGold Medal Products Company - Pittsburgh | Pittsburgh | PA | Machinery Manufacturing333241 | 1-19 | ◐ LIKELY ACTIVE |
| GCGreat Coasters International Inc. | Sunbury | PA | Machinery Manufacturing333318 | 20-99 | ◐ LIKELY ACTIVE |
| GUGrove U.s. LLC | Shady Grove | PA | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| HSH2O Solutions LLC | Telford | PA | Machinery Manufacturing333318 | 20-99 | ◐ LIKELY ACTIVE |
| HFHall Fluid Power, LLC. | Grove City | PA | Machinery Manufacturing333995 | 1-19 | ◐ LIKELY ACTIVE |
| HCHanover Conveying Systems | Hanover | PA | Machinery Manufacturing333922 | 1-19 | ◐ LIKELY ACTIVE |
| HPHavis PA2 | Ivyland | PA | Machinery Manufacturing333249 | 20-99 | ◐ LIKELY ACTIVE |
| HSHay Street | York | PA | Machinery Manufacturing333249 | 20-99 | ◐ LIKELY ACTIVE |
| HEHeidelberg East | Ivyland | PA | Machinery Manufacturing333244 | 20-99 | ◐ LIKELY ACTIVE |
| HUHerkules USA CORP | Ford City | PA | Machinery Manufacturing333519 | — | ◐ LIKELY ACTIVE |
| HHorsham | Horsham | PA | Machinery Manufacturing333242 | 100-499 | ◐ LIKELY ACTIVE |
| HHotronix | Carmichaels | PA | Machinery Manufacturing333249 | 20-99 | ◐ LIKELY ACTIVE |
| HSHydro Service & Supplies, INC. | Tullytown | PA | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
| ITID Technology-New Freedom | New Freedom | PA | Machinery Manufacturing333993 | 20-99 | ◐ LIKELY ACTIVE |
| ITID Technology-York | York | PA | Machinery Manufacturing333993 | 20-99 | ◐ LIKELY ACTIVE |
| IFImperial Filtration | Mercer | PA | Machinery Manufacturing333413 | 20-99 | ◐ LIKELY ACTIVE |
| IMInnovative Machining Technology, Inc. Boyertown, PA | Boyertown | PA | Machinery Manufacturing333611 | 20-99 | ◐ LIKELY ACTIVE |
| ICInsingerMachine Company | Philadelphia | PA | Machinery Manufacturing333241 | 20-99 | ◐ LIKELY ACTIVE |
| ITIntegrity Tool & Supply CO | Horsham | PA | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
| IDItoh Denki USA Inc,Waynesboro | Waynesboro | PA | Machinery Manufacturing333922 | 1-19 | ◐ LIKELY ACTIVE |
| JJeannette | Jeannette | PA | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| JHJ Hilbert Anderson Inc | Jacobus | PA | Machinery Manufacturing333613 | 20-99 | ◐ LIKELY ACTIVE |
| JTJit Tool & Die, INC | Brockport | PA | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
| JJJLG - JerrDan | Mcconnellsburg | PA | Machinery Manufacturing333923 | 20-99 | ◐ LIKELY ACTIVE |
| JJJLG - JerrDan Molly Pitcher | Greencastle | PA | Machinery Manufacturing333923 | 1-19 | ◐ LIKELY ACTIVE |
| JMJLG - McConnellsburg | Mcconnellsburg | PA | Machinery Manufacturing333923 | 500+ | ◐ LIKELY ACTIVE |
| JSJLG - Shippensburg | Shippensburg | PA | Machinery Manufacturing333923 | 100-499 | ◐ LIKELY ACTIVE |
| JAJLS Automation | York | PA | Machinery Manufacturing333993 | 100-499 | ◐ LIKELY ACTIVE |
| JMJV Manufacturing - Plant 16 | Natrona Heights | PA | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
| KEKemper Equipment, Inc. | Honey Brook | PA | Machinery Manufacturing333922 | 20-99 | ◐ LIKELY ACTIVE |
| KOKevin O'Brien | Philadelphia | PA | Machinery Manufacturing333999 | 1-19 | ◐ LIKELY ACTIVE |
| KDKey Dies Inc | Annville | PA | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
| KMKeystone Maintenance Services CORP | Reading | PA | Machinery Manufacturing333923 | — | ◐ LIKELY ACTIVE |
| KLKleanserve, LLC | Harrisburg | PA | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
| LDLittle David (Loveshaw) | South Canaan | PA | Machinery Manufacturing333993 | 20-99 | ◐ LIKELY ACTIVE |
| MOMain Office | Souderton | PA | Machinery Manufacturing333413 | 20-99 | ◐ LIKELY ACTIVE |
| MPMann+Hummel PPA | Allentown | PA | Machinery Manufacturing333413 | 1-19 | ◐ LIKELY ACTIVE |
Matthews International, Cranberry | Cranberry Township | PA | Machinery Manufacturing333993 | 20-99 | ◐ LIKELY ACTIVE |
| M7MayekawaUSA 7 | York | PA | Machinery Manufacturing333912 | 1-19 | ◐ LIKELY ACTIVE |
| MIMelissa Industrial, INC. | Washington | PA | Machinery Manufacturing333914 | — | ◐ LIKELY ACTIVE |
| MUMersen USA GS - ACT Corp. | Topton | PA | Machinery Manufacturing333994 | 1-19 | ◐ LIKELY ACTIVE |
| MRMF&B Restaurant Systems | Uniontown | PA | Machinery Manufacturing333310 | 20-99 | ◐ LIKELY ACTIVE |
| MPM. Powell Enterprises LLC | Bensalem | PA | Machinery Manufacturing333921 | — | ◐ LIKELY ACTIVE |
| MPMt. Pleasant Mine Service LLC | Mount Pleasant | PA | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| NANalco, an Ecolab Company | Pittsburgh | PA | Machinery Manufacturing333249 | 20-99 | ◐ LIKELY ACTIVE |
| NHNew Holland Engineering | New Holland | PA | Machinery Manufacturing333111 | 500+ | ◐ LIKELY ACTIVE |
| NJNew Jersey Branch | Bethlehem | PA | Machinery Manufacturing333995 | 20-99 | ◐ LIKELY ACTIVE |