| DWDel West Engineering | Valencia | CA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| DADesign Analysis Associates | Logan | UT | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| DFDesign Fabricators INC | Boulder | CO | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| DCDeutsch CO Electronic Compone | Banning | CA | Computer and Electronic Product Manufacturing334417 | — | ◇ UNVERIFIED |
| DCDickey-john CORP | Auburn | IL | Computer and Electronic Product Manufacturing334519 | — | ◇ UNVERIFIED |
| DLDielectric, LLC | Lewiston | ME | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| D1Digital 128 First Avenue LLC | Needham | MA | Computer and Electronic Product Manufacturing334210 | — | ◇ UNVERIFIED |
| DEDigital Equipment | Westfield | MA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| DEDigital Equipment Company | Hudson | MA | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| DGDigital Globe Westminster Campus | Westminster | CO | Computer and Electronic Product Manufacturing334000 | — | ◇ UNVERIFIED |
| DFDiodes Fabtech INC | Lees Summit | MO | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| DCDionex CORP B5 | Sunnyvale | CA | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| DCDionex Corporation | Sunnyvale | CA | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| DCDme CORP | Fort Lauderdale | FL | Computer and Electronic Product Manufacturing334290 | — | ◇ UNVERIFIED |
 Doble Engineering Company | Watertown | MA | Computer and Electronic Product Manufacturing334515 | — | ◇ UNVERIFIED |
| DDoorking | Inglewood | CA | Computer and Electronic Product Manufacturing334418 | — | ◇ UNVERIFIED |
| DIDotronix INC | Boulder | CO | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| DIDovatron International, INC. | Longmont | CO | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| DLDpix LLC | Palo Alto | CA | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| DSDrs-signal Solutions INC | Gaithersburg | MD | Computer and Electronic Product Manufacturing334310 | — | ◇ UNVERIFIED |
| DOD-tech Optoelectronics | Rowland Heights | CA | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| DCDukane CORP | Saint Charles | IL | Computer and Electronic Product Manufacturing334290 | — | ◇ UNVERIFIED |
| DDDunlee Div of Philips Medical Systems Cleveland INC | Aurora | IL | Computer and Electronic Product Manufacturing334517 | — | ◇ UNVERIFIED |
| DCDupont Corporate Park | Dupont | WA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| DTDupont Tau Laboratories INC | Poughkeepsie | NY | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| DIDwyer Instruments INC | Wolcott | IN | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| DLDyad Labs and Sensapure | Salt Lake City | UT | Computer and Electronic Product Manufacturing334515 | — | ◇ UNVERIFIED |
| DCDynaco CORP | Tempe | AZ | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| DDynalyst | Taylor | TX | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| DDDynamic Details INC | Anaheim | CA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| DDDynamic Details INC | Colorado Springs | CO | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| DCDysan CORP | Colorado Springs | CO | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| DCDytro CORP | Plainview | NY | Computer and Electronic Product Manufacturing334415 | — | ◇ UNVERIFIED |
| EIEagle-picher Industries, INC | Colorado Springs | CO | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| ECEaton CORP Cutler Hammer | Westampton | NJ | Computer and Electronic Product Manufacturing334418 | — | ◇ UNVERIFIED |
| ETEbara Technologies | Beaverton | OR | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| EPEbj Partners | Woodinville | WA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| ECEby CO | Philadelphia | PA | Computer and Electronic Product Manufacturing334417 | — | ◇ UNVERIFIED |
| ECEcc Corporation | Holden (jefferson) | MA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| EIEcd INC | Sebring | OH | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| EBEchostar Broadcasting CORP - Quicksburg | Quicksburg | VA | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| ELEdo LLC a Wholly Owned Subsidiary of Harris CORP | Bohemia | NY | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| EPEg Pump Controls INC | Jacksonville | FL | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| EDEi Detection & Imaging Systems | Saxonburg | PA | Computer and Electronic Product Manufacturing334519 | — | ◇ UNVERIFIED |
| ESElbit Systems of America Merrimack Operations | Merrimack | NH | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| EIElecsys INC | Peoria | IL | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| EWElectric Wire Products CORP | St Louis Park | MN | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| EElectro | Rolling Meadows | IL | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| ECElectro Circuits Incorporated | Lowell | MA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| ECElectro Core | Washington | MO | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
