| RSRaytheon Service Company | Virginia Beach | VA | — | ◇ UNVERIFIED |
| RCRead-rite Corporation | Milpitas | CA | — | ◇ UNVERIFIED |
| REReliance Electronics Inc. | Totowa | NJ | — | ◇ UNVERIFIED |
| RCRem Companies INC | Houston | TX | — | ◇ UNVERIFIED |
| RMRemec Magnum INC | Milpitas | CA | — | ◇ UNVERIFIED |
| RIRemtec INC | Norwood | MA | — | ◇ UNVERIFIED |
| RIRemtec INC Dba Tecmark | Norwood | MA | — | ◇ UNVERIFIED |
| RPResa Power Dba West Coast Switch Gear INC | Cerritos | CA | — | ◇ UNVERIFIED |
| RTRevere Transducers INC | Cerritos | CA | — | ◇ UNVERIFIED |
| RLRfidknow LLC | Greenville | SC | — | ◇ UNVERIFIED |
| RIRiber INC Dba Riber USA | Goleta | CA | — | ◇ UNVERIFIED |
| RKR Kerneng & Mfg CORP | Chino | CA | — | ◇ UNVERIFIED |
| RCRochester Circuits INC | Rochester | NY | — | ◇ UNVERIFIED |
| RIRockwell International Collins | Costa Mesa | CA | — | ◇ UNVERIFIED |
| RIRockwell International CORP | Parker Ford | PA | — | ◇ UNVERIFIED |
| RIRockwell Intl CORP | Winchester | KY | — | ◇ UNVERIFIED |
| RMRocky Mountain Center Innovation/carestr | Loveland | CO | — | ◇ UNVERIFIED |
| RCRogers CORP - Dobson Rd Site | Chandler | AZ | — | ◇ UNVERIFIED |
| RDRoi Development CORP | Santa Ana | CA | — | ◇ UNVERIFIED |
| RMR&r Machine Products INC. | San Bernardino | CA | — | ◇ UNVERIFIED |
| RTRubicon Technology INC | Franklin Park | IL | — | ◇ UNVERIFIED |
| RERX Electric LLC | Whichita | KS | — | ◇ UNVERIFIED |
| SLSafco LLC | Skokie | IL | — | ◇ UNVERIFIED |
| SCSanmina Corporation | Owego | NY | — | ◇ UNVERIFIED |
| SISaronix INC | Menlo Park | CA | — | ◇ UNVERIFIED |
| SESbd Electronic Systems INC | Amityville | NY | — | ◇ UNVERIFIED |
 Schneider Electric It Corporation | South Kingstown | RI | — | ◇ UNVERIFIED |
| SESchott Elecpac | Cary | IL | — | ◇ UNVERIFIED |
| SAScience Applications International Corpo | Oak Ridge | TN | — | ◇ UNVERIFIED |
 Seagate Technology LLC | Fremont | CA | — | ◇ UNVERIFIED |
| SASealed Air CORP - Bethel | Bethel | CT | — | ◇ UNVERIFIED |
| STSensata Technologies INC / Bei NA LLC | Vista | CA | — | ◇ UNVERIFIED |
| SCShasta Crystals, INC. | Anderson | CA | — | ◇ UNVERIFIED |
| SISheldahl Inc/orange County 059 | Tustin | CA | — | ◇ UNVERIFIED |
| SAShelly Associates INC | Irvine | CA | — | ◇ UNVERIFIED |
| STShocking Technologies, INC | San Jose | CA | — | ◇ UNVERIFIED |
| SCShore Circuit Manufacturers | Little Silver | NJ | — | ◇ UNVERIFIED |
| SPSiemens Postal, Parcel & Airport Logistics LLC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| STSignal Technology Corporation | Sunnyvale | CA | — | ◇ UNVERIFIED |
| SSSignet Scientific CO | El Monte | CA | — | ◇ UNVERIFIED |
| SCSipex Corporation | Billerica | MA | — | ◇ UNVERIFIED |
| STSirius Technologies, INC. | Alpharetta | GA | — | ◇ UNVERIFIED |
| SISl Industries INC | Mount Laurel | NJ | — | ◇ UNVERIFIED |
| SPSmart Parts Pc, LLC | Tucson | AZ | — | ◇ UNVERIFIED |
 Smiths Interconnect Americas INC | Costa Mesa | CA | — | ◇ UNVERIFIED |
| Smiths Interconnect, INC. | Northampton | MA | — | ◇ UNVERIFIED |
| SRSms Recording CO | Church Hill | TN | — | ◇ UNVERIFIED |
| SESolar Electronics Company | North Hollywood | CA | — | ◇ UNVERIFIED |
| SSolectron-california | Fremont | CA | — | ◇ UNVERIFIED |
| SCSolectron California B15 | Milpitas | CA | — | ◇ UNVERIFIED |
