| DSDave Steel Company | Asheville | NC | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| DMDekalb Metal Finishing Corporation | Auburn | IN | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
Device Technologies, INC | Southborough | MA | Fabricated Metal Product Manufacturing332618 | — | ◐ LIKELY ACTIVE |
| DQDewayne's Quality Metal Coatings INC | Lexington | TN | Fabricated Metal Product Manufacturing332813 | 100-499 | ◐ LIKELY ACTIVE |
| DFDexter Fastener Technologies | Dexter | MI | Fabricated Metal Product Manufacturing332722 | 100-499 | ◐ LIKELY ACTIVE |
| DRDexter Russell INC | Southbridge | MA | Fabricated Metal Product Manufacturing332211 | 100-499 | ◐ LIKELY ACTIVE |
Dickmann INC | Grafton | WI | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| DIDodge Industrial | Rogersville | TN | Fabricated Metal Product Manufacturing332991 | 100-499 | ◐ LIKELY ACTIVE |
| DTDowa Tht America INC | Bowling Green | OH | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| DLDriv - Lok INC | Sycamore | IL | Fabricated Metal Product Manufacturing332722 | 20-99 | ◐ LIKELY ACTIVE |
| DCDs Containers INC | Batavia | IL | Fabricated Metal Product Manufacturing332111 | 100-499 | ◐ LIKELY ACTIVE |
| DBDugas Bowers Plating CO | Fridley | MN | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| DMDuke Manufacturing CO | Sedalia | MO | Fabricated Metal Product Manufacturing332999 | 500+ | ◐ LIKELY ACTIVE |
| DIDurable Industrial Finishing CO INC | Tucker | GA | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| DHDuracoatings Holdings, LLC. | Oklahoma City | OK | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| DLDuvinage LLC | Hagerstown | MD | Wood Product Manufacturing321918 | 20-99 | ◐ LIKELY ACTIVE |
| DMDynamic Metal Treating, INC. | Canton | MI | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| ESEastern Sintered Alloys INC | Saint Marys | PA | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
| EFEco Finishing | Fridley | MN | Fabricated Metal Product Manufacturing332813 | 100-499 | ◐ LIKELY ACTIVE |
| ETEklind Tool CO | Franklin Park | IL | Fabricated Metal Product Manufacturing332216 | 100-499 | ◐ LIKELY ACTIVE |
| EMEk Machine CO INC | Fall River | WI | Fabricated Metal Product Manufacturing332000 | 20-99 | ◐ LIKELY ACTIVE |
| ECElectro Ceramic Industries | Hackensack | NJ | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| EMEllwood Mill Products | New Castle | PA | Fabricated Metal Product Manufacturing332111 | 20-99 | ◐ LIKELY ACTIVE |
| EPElm Plating Co-plt 1 | Jackson | MI | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| EFEmhart Fastening Teknologies | Danbury | CT | Fabricated Metal Product Manufacturing332510 | — | ◐ LIKELY ACTIVE |
| ECEngineered Controls International INC | Whitsett | NC | Fabricated Metal Product Manufacturing332721 | 100-499 | ◐ LIKELY ACTIVE |
| EBEnsign Bickford Aerospace & Defense CO | Simsbury | CT | Fabricated Metal Product Manufacturing332992 | 500+ | ◐ LIKELY ACTIVE |
| EIErico International CORP. | Solon | OH | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| EHEuclid Heat Treat CO. | Euclid | OH | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| FSFalls Stamping & Welding CO | Cuyahoga Falls | OH | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| FTFederal Tool & Engineering | West Bend | WI | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| FIFeeco International INC | Green Bay | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| FEFeldmeier Equipment | Syracuse | NY | Fabricated Metal Product Manufacturing332420 | 1-19 | ◐ LIKELY ACTIVE |
| FEFeldmeier Equipment INC | Shell Rock | IA | Fabricated Metal Product Manufacturing332420 | 20-99 | ◐ LIKELY ACTIVE |
| FEFeldmeier Equipment INC | Little Falls | NY | Fabricated Metal Product Manufacturing332420 | 20-99 | ◐ LIKELY ACTIVE |
| FAFic America CORP | Carol Stream | IL | Fabricated Metal Product Manufacturing332116 | 500+ | ◐ LIKELY ACTIVE |
| FOFiocchi of America | Ozark | MO | Fabricated Metal Product Manufacturing332992 | 100-499 | ◐ LIKELY ACTIVE |
| FAFirst American Resources Corporation | Mableton | GA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| FLFlomet LLC | Deland | FL | Fabricated Metal Product Manufacturing332117 | 20-99 | ◐ LIKELY ACTIVE |
| FMFord Meter Box Company INC | Wabash | IN | Primary Metal Manufacturing331525 | 500+ | ◐ LIKELY ACTIVE |
| FMFord Motor Company - Sterling Plant | Sterling Heights | MI | Fabricated Metal Product Manufacturing332812 | 500+ | ◐ LIKELY ACTIVE |
| FMForemost Manufacturing CO INC | Union | NJ | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| FFForesight Finishing LLC | Tempe | AZ | Fabricated Metal Product Manufacturing332813 | 100-499 | ◐ LIKELY ACTIVE |
| FPForged Products | Houston | TX | Fabricated Metal Product Manufacturing332111 | 20-99 | ◐ LIKELY ACTIVE |
| FGForge Group Star LLC | Freeport | IL | Fabricated Metal Product Manufacturing332111 | 20-99 | ◐ LIKELY ACTIVE |
| FWFort Wayne Anodizing Corporation | Fort Wayne | IN | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| FAFought and Company | Portland | OR | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| GRGambrinus Roller | Canton | OH | Fabricated Metal Product Manufacturing332991 | 20-99 | ◐ LIKELY ACTIVE |
| GEG E Mathis | Chicago | IL | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| GMGe Medical Systems LLC | Milwaukee | WI | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |