| QAQuad Avenue Chemical & Biofuels Site | Baltimore | MD | Computer and Electronic Product Manufacturing334418 | — | ◇ UNVERIFIED |
| QQualitel | Redmond | WA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| QCQuality Cleaners/indiana | Indiana | PA | Computer and Electronic Product Manufacturing334515 | — | ◇ UNVERIFIED |
| QCQuality Components | Ridgway | PA | Computer and Electronic Product Manufacturing334416 | — | ◇ UNVERIFIED |
| QRQuality Records Pressing | Salina | KS | Computer and Electronic Product Manufacturing334614 | — | ◇ UNVERIFIED |
| QCQuanta Computers USA | Fremont | CA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| QQuantegy | Opelika | AL | Computer and Electronic Product Manufacturing334610 | — | ◇ UNVERIFIED |
| QCQuantum Controls INC | Chanhassen | MN | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| QDQuantum Devices INC | Barneveld | WI | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| QCQuikflex Circuit INC | Haddon Twp | NJ | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| RDRacal Dana Instruments INC | Irvine | CA | Computer and Electronic Product Manufacturing334515 | — | ◇ UNVERIFIED |
| RCRadisys Corporation | Hillsboro | OR | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| RIRamp Industries | Binghamton | NY | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| RIRamtron International Corporation | Colorado Springs | CO | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| RIRanco INC | Delaware | OH | Computer and Electronic Product Manufacturing334512 | — | ◇ UNVERIFIED |
| RNRanco North America | Plain City | OH | Computer and Electronic Product Manufacturing334512 | — | ◇ UNVERIFIED |
| RCRanfac Corporation | Avon | MA | Computer and Electronic Product Manufacturing334517 | — | ◇ UNVERIFIED |
| RMRantec Microwave & Electronics INC | Durant | OK | Computer and Electronic Product Manufacturing334000 | — | ◇ UNVERIFIED |
| RMRantec Microwave System, Inc, | Calabasas | CA | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| RIRapco Internatonal INC | Jackson | MO | Computer and Electronic Product Manufacturing334290 | — | ◇ UNVERIFIED |
| RDRapid Die & Molding Company | Hamburg | AR | Computer and Electronic Product Manufacturing334310 | — | ◇ UNVERIFIED |
| RBRau Brothers | Winchendon | MA | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| RCRauland-borg CORP | Skokie | IL | Computer and Electronic Product Manufacturing334290 | — | ◇ UNVERIFIED |
| RIRaven Industries INC | Earth City | MO | Computer and Electronic Product Manufacturing334418 | — | ◇ UNVERIFIED |
 Raven Industries INC. | Sioux Falls | SD | Computer and Electronic Product Manufacturing334418 | — | ◇ UNVERIFIED |
| RSRavensworth Service | Annandale | VA | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| RCRaytheon Company | St Petersburg | FL | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| RCRaytheon Company Mpt | Waltham | MA | Computer and Electronic Product Manufacturing334411 | — | ◇ UNVERIFIED |
| RCRaytheon Company Ssc | Sudbury | MA | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| RFRaytheon Former Waltham Facil | Waltham | MA | Computer and Electronic Product Manufacturing334290 | — | ◇ UNVERIFIED |
| RWRaytheon-hollister (electronic Warfare) | Goleta | CA | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| RSRaytheon Seapower Capability Center | Portsmouth | RI | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| RSRaytheon Systems CO | Largo | FL | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| RSRaytheon Systems CO | Columbia City | IN | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| RVRaytheon Vision Systems, Building B-8 | Goleta | CA | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| RDRca Del Caribe Incorporated | Barceloneta | PR | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| RCRead-rite Corporation | Milpitas | CA | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| RLRed Lion Controls INC | York | PA | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| RMRed Metals Recycling | Redford | MI | Computer and Electronic Product Manufacturing334519 | — | ◇ UNVERIFIED |
| RTReliance Technical Services | Sunnyvale | CA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| RIRemtec INC Dba Tecmark | Norwood | MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| RIRenishaw, INC. | Schaumburg | IL | Computer and Electronic Product Manufacturing334519 | — | ◇ UNVERIFIED |
| RSRepco Sales | Spring Valley | CA | Computer and Electronic Product Manufacturing334416 | — | ◇ UNVERIFIED |
| RRevvity | Hopkinton | MA | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| RPRicoh Printing Systems America INC | Simi Valley | CA | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| RFRidgeway Furniture | Ridgeway | VA | Computer and Electronic Product Manufacturing334518 | — | ◇ UNVERIFIED |
| RCRinchem Company, LLC. (csc 24) | Flemington | NJ | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| RCRio Clnr/wyomissing | Wyomissing | PA | Computer and Electronic Product Manufacturing334411 | — | ◇ UNVERIFIED |
| RTRiviera Transformer CO | Elk Grove Village | IL | Computer and Electronic Product Manufacturing334416 | — | ◇ UNVERIFIED |
| RCRjr Circuits INC | Denver | CO | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
