Industrial Metal Plating INC | Reading | — | ● ACTIVE |
| ARAlcon Research LLC | Reading | — | ● ACTIVE |
| ESElectro Space Fabricators INC | Topton | 20–99 | ● ACTIVE |
Fabricon, INC. | Temple | — | ● ACTIVE |
Levan Machine CO INC | Fleetwood | 20–99 | ● ACTIVE |
Tactical Ar500 Targets INC | Robesonia | — | ● ACTIVE |
B&b Firearms LLC | Robesonia | — | ● ACTIVE |
Berks Engineering Company | Reading | — | ● ACTIVE |
Maidencreek Manufacturing Sales Limited Liability CO | Shoemakersville | — | ● ACTIVE |
Tancredi Machining INC | Topton | — | ● ACTIVE |
| RTReading Truck Body, LLC | Reading | 500+ | ◐ LIKELY ACTIVE |
| CFCampbell Fittings INC | Boyertown | 20–99 | ◐ LIKELY ACTIVE |
| CCCan CORP of Amer/blandon Plt | Blandon | — | ◐ LIKELY ACTIVE |
| DMDor Mae Industries INC | Reading | 20–99 | ◐ LIKELY ACTIVE |
| CMCampbell Manufacturing LLC | Bechtelsville | — | ◐ LIKELY ACTIVE |
| DLDirect Ltx/bern Twp Fac | Reading | — | ◐ LIKELY ACTIVE |
| FSFleetwood Sewage Treatment Plant | Fleetwood | — | ◐ LIKELY ACTIVE |
| MWMorgan's Welding, INC. | Myerstown | 20–99 | ◐ LIKELY ACTIVE |
| RPReading Plating & Polishing/reading Plt | Reading | — | ◐ LIKELY ACTIVE |
| SESchneider Elec USA INC | Leesport | — | ◐ LIKELY ACTIVE |
| SGSfs Group USA Inc/wyomissing | Wyomissing | — | ◐ LIKELY ACTIVE |
| SISfs Intec Screw Mfg Exeter Plt | Reading | — | ◐ LIKELY ACTIVE |
| SSSummit Steel Fabricating Group, INC. | Reading | — | ◐ LIKELY ACTIVE |
| TRThe Rose Corp/reading | Reading | — | ◐ LIKELY ACTIVE |
| VIVan Industries INC | Birdsboro | — | ◐ LIKELY ACTIVE |
| WMWilliams Metalfinishing/sinking Spring | Sinking Spring | — | ◐ LIKELY ACTIVE |
| BIBachman Iron Works INC | Reading | — | ◐ LIKELY ACTIVE |
| BCBerks Can CO Inc/berks Can Plant | Reading | — | ◐ LIKELY ACTIVE |
| AFAlloy Fabrication INC | Reading | — | ◇ UNVERIFIED |
| AFApex Fabrication & Design INC | Boyertown | — | ◇ UNVERIFIED |
| BEBally Eng Struc Inc/washington | Bally | — | ◇ UNVERIFIED |
| BIBarco Ind | Reading | — | ◇ UNVERIFIED |
Behringer Saws Inc/morgantown | Morgantown | — | ◇ UNVERIFIED |
| FCFabrication Concepts INC | Palm | — | ◇ UNVERIFIED |
| JMJohn M Hill Mach CO | Hamburg | — | ◇ UNVERIFIED |
| MSMetropolitan Steel I/steelco | Sinking Spring | — | ◇ UNVERIFIED |
| PHParker Hannifin CORP | Reading | — | ◇ UNVERIFIED |
| RIR-v Industries - New Morgan Plant | Morgantown | — | ◇ UNVERIFIED |
| TRTmap Realty Llc/reading | Reading | — | ◇ UNVERIFIED |
| TITroutman Ind Inc/spring Twp | West Lawn | — | ◇ UNVERIFIED |
| CCCan Corporation of America | Blandon | 100–499 | ◐ LIKELY ACTIVE |
| CCCan Corporation of America - Berks | Reading | 20–99 | ◐ LIKELY ACTIVE |
| EIEnersys INC | Reading | 100–499 | ◐ LIKELY ACTIVE |
| MLMaterion - Leesport | Leesport | 100–499 | ◐ LIKELY ACTIVE |
Nasatka Barrier, Incorporated | Boyertown | 20–99 | ◐ LIKELY ACTIVE |
| PWPeirce Welding & Fabricating Inc | Bethel | 20–99 | ◐ LIKELY ACTIVE |
| SCService Caster Corporation | Reading | — | ◐ LIKELY ACTIVE |
| SGSFS Group USA INc | Wyomissing | 20–99 | ◐ LIKELY ACTIVE |
| TTrimMaster | Temple | 20–99 | ◐ LIKELY ACTIVE |
| UAUS Anodize | Reading | 20–99 | ◐ LIKELY ACTIVE |