| DEDesman Engineering INC | Alexandria | MN | — | ◇ UNVERIFIED |
| DTDetroit Tool Engineering | Lebanon | MO | — | ◇ UNVERIFIED |
| DCDff CORP | Agawam | MA | — | ◇ UNVERIFIED |
| DCD-g Custom Chrome LLC | Cincinnati | OH | — | ◇ UNVERIFIED |
| DIDiebold INC | Sumter | SC | — | ◇ UNVERIFIED |
| DSDietze & Schell Manufacturing Solutions Na, INC. | Anderson | SC | — | ◇ UNVERIFIED |
| DTDigital Tool & Automation | Ramsey | MN | — | ◇ UNVERIFIED |
| DDDillon Decanter & Machine INC | Eleanor | WV | — | ◇ UNVERIFIED |
| DMDimar Manufacturing | Cheektowaga | NY | — | ◇ UNVERIFIED |
| DFDiversified Fabricating INC | Oneonta | AL | — | ◇ UNVERIFIED |
| DFDiversified Fabricators, INC. | Clinton Township | MI | — | ◇ UNVERIFIED |
| DLDiversified Lancaster | Lancaster | NY | — | ◇ UNVERIFIED |
| DSDiversified Steel Fabricators, INC. | Wetumpka | AL | — | ◇ UNVERIFIED |
| D5Division 5, LLC (dba Structural Steel of Carolina) | Hickory | NC | — | ◇ UNVERIFIED |
| DSDixie Southern Industrial INC | Auburndale | FL | — | ◇ UNVERIFIED |
| DJD & J Metal Products, INC. | Memphis | TN | — | ◇ UNVERIFIED |
 Donaldson CO INC - Minneapolis | Bloomington | MN | — | ◇ UNVERIFIED |
| DEDoor Engineering & Manufacturing | Kasota | MN | — | ◇ UNVERIFIED |
| DSDoudney Sheet Metal Works INC | Sarasota | FL | — | ◇ UNVERIFIED |
| DTDover Tubular Alloys INC | Dover | NJ | — | ◇ UNVERIFIED |
| DPDragon Products | La Porte | TX | — | ◇ UNVERIFIED |
| DBDs Brown\lewis Engineering Division | Chaska | MN | — | ◇ UNVERIFIED |
| DPDuco Pipe Manufacturing Facility | Houston | TX | — | ◇ UNVERIFIED |
| DMDuffin Mfg CO | Elyria | OH | — | ◇ UNVERIFIED |
| DPDurasteel Products CO | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| DCDuroweld CO INC | Lake Bluff | IL | — | ◇ UNVERIFIED |
| DSDurr Systems, INC. | Plymouth | MI | — | ◇ UNVERIFIED |
| DEDynamic Enterprises INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| DIDynamic Industries INC | New Iberia | LA | — | ◇ UNVERIFIED |
| DIDynamic Industries INC - Lake Charles Facility | Lake Charles | LA | — | ◇ UNVERIFIED |
 Dynamic Industries - Topside West Yard | New Iberia | LA | — | ◇ UNVERIFIED |
| DODynamic Offshore Contractors INC | New Iberia | LA | — | ◇ UNVERIFIED |
| DWDynamic West Virginia - Site 1 | Morgantown | WV | — | ◇ UNVERIFIED |
| EIEagle Innovations INC. | Hurricane | UT | — | ◇ UNVERIFIED |
| EMEagle Machine Products | Sterling Heights | MI | — | ◇ UNVERIFIED |
| EMEagle Metalcraft, INC. | East Syracuse | NY | — | ◇ UNVERIFIED |
| EPEagle Precision Tooling INC | Erie | PA | — | ◇ UNVERIFIED |
| ESEaglespan Steel Structures | Fort Collins | CO | — | ◇ UNVERIFIED |
| ETEagle Tubular Products INC | Alton | IL | — | ◇ UNVERIFIED |
| ECEastern Cast Hardware CO INC | West Springfield | MA | — | ◇ UNVERIFIED |
| ESEastern Sheet Metal INC | Dothan | AL | — | ◇ UNVERIFIED |
| EIEastpointe Industries | Muskogee | OK | — | ◇ UNVERIFIED |
| EREast River Metals Incorporated | Rocky Gap | VA | — | ◇ UNVERIFIED |
| ESEaton Steel Corp-taylor | Taylor | MI | — | ◇ UNVERIFIED |
| EIEckel Industries Noise Control Technologies | Cambridge | MA | — | ◇ UNVERIFIED |
| EIEckman Industries INC | Richmond | CA | — | ◇ UNVERIFIED |
| EIEdker Industries INC | Cinnaminson | NJ | — | ◇ UNVERIFIED |
| EFEdsco Fasteners | Denton | TX | — | ◇ UNVERIFIED |
| EMEd's Machining & Fabrication | Wray | CO | — | ◇ UNVERIFIED |
| EPEga Products INC | Brookfield | WI | — | ◇ UNVERIFIED |
| EBElectroimpact Building G | Mukilteo | WA | — | ◇ UNVERIFIED |
| EIElectrolabs INC | Fraser | MI | — | ◇ UNVERIFIED |
| ECElectronic Chrome & Grinding Company | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| EMElement Materials Technology | Daleville | IN | — | ◇ UNVERIFIED |
| EMElkins Machine & Tool-romulus | Romulus | MI | — | ◇ UNVERIFIED |
| ECEllwood City Forge - X Plant | Ellwood City | PA | — | ◇ UNVERIFIED |
| ESElm Solutions CORP | Seattle | WA | — | ◇ UNVERIFIED |
| EMEmats Manufacturing, LLC | Cedar Bluff | VA | — | ◇ UNVERIFIED |
| EFEmerson Fabrication Group LLC | Oneonta | AL | — | ◇ UNVERIFIED |
| EMEmerson Mfg / Dmd Mfg | Pender | NE | — | ◇ UNVERIFIED |
| EFEmmerson Fabrication Group LLC | Oneonta | AL | — | ◇ UNVERIFIED |
| EIEmpire Industrial Fabricators CORP | Albany | NY | — | ◇ UNVERIFIED |
| ECEnerfab CORP | Cincinnati | OH | — | ◇ UNVERIFIED |
| EIEnersys INC | Sumter | SC | — | ◇ UNVERIFIED |
| EIEngineering & Industrial Services Incorporated | Logansport | IN | — | ◇ UNVERIFIED |
| EIEngines, Incorporated | Milton | WV | — | ◇ UNVERIFIED |
| EEEnglert Engineering Co* | Nashville | TN | — | ◇ UNVERIFIED |
| EIEnvirex, INC | Madison | IN | — | ◇ UNVERIFIED |
| EIEnvirofab INC. | Cleveland | OH | — | ◇ UNVERIFIED |
 Equipment Fabricators INC | Pell City | AL | — | ◇ UNVERIFIED |
| EFEta Fabrication, INC. | Avilla | IN | — | ◇ UNVERIFIED |
| ECEutectic Corporation | Menomonee Falls | WI | — | ◇ UNVERIFIED |
| EHEvans Houston CORP | Houston | TX | — | ◇ UNVERIFIED |
| ENExcelco Newbrook INC | Silver Creek | NY | — | ◇ UNVERIFIED |
| EFExcel Fabrication INC. | Paramount | CA | — | ◇ UNVERIFIED |
| EIExcel Ind | Clarence | NY | — | ◇ UNVERIFIED |
| EMExpress Metal Fabricators Llc-st George Steel Division | Murray | UT | — | ◇ UNVERIFIED |
| ESExpress Scale Parts | Shawnee | KS | — | ◇ UNVERIFIED |
| ESExtra Space Storage | Portland | OR | — | ◇ UNVERIFIED |
| FIFabral INC | Gridley | IL | — | ◇ UNVERIFIED |
| FPFabricated Products of Tampa, INC. | Tampa | FL | — | ◇ UNVERIFIED |
| FCFabrication Concepts INC | Palm | PA | — | ◇ UNVERIFIED |
| FFabtech | Freeport | NY | — | ◇ UNVERIFIED |
| FCFactory Company International INC the | Spokane | WA | — | ◇ UNVERIFIED |
| FPFairlead Precision Manufacturing & Integration | Portsmouth | VA | — | ◇ UNVERIFIED |
| FRFaith Regional Health Services | Norfolk | NE | — | ◇ UNVERIFIED |
| FMFalso Metal Fabricating | Syracuse | NY | — | ◇ UNVERIFIED |
| FTFargo Tank Company | Fargo | ND | — | ◇ UNVERIFIED |
| FAFarr Air Pollution Control | Jonesboro | AR | — | ◇ UNVERIFIED |
| FIFashion INC | Ottawa | KS | — | ◇ UNVERIFIED |
| FFFast Fabricator INC Dba Water Works Mfg | Olivehurst | CA | — | ◇ UNVERIFIED |
| FFFerguson Facility #3314 | Theodore | AL | — | ◇ UNVERIFIED |
| FRFerrell-ross Roll Manufacturing | Hereford | TX | — | ◇ UNVERIFIED |
 Fiba Technologies INC | Millbury | MA | — | ◇ UNVERIFIED |
| Fiba Technologies INC | Louisville | KY | — | ◇ UNVERIFIED |
| FFibrebond | Edelstein | IL | — | ◇ UNVERIFIED |
| FMFidelity Manufacturing LLC | Ocala | FL | — | ◇ UNVERIFIED |
| FLFischer Lime & Cement Garage | Memphis | TN | — | ◇ UNVERIFIED |
| FLFisher & Ludlow Inc/saegertown | Saegertown | PA | — | ◇ UNVERIFIED |
| FMFlorida Metal Products | Jacksonville | FL | — | ◇ UNVERIFIED |
