| RCRaytheon Company | Huntsville | AL | — | ◇ UNVERIFIED |
| RCRaytheon Company | El Segundo | CA | — | ◇ UNVERIFIED |
| RCRaytheon Company | Ontario | CA | — | ◇ UNVERIFIED |
| RCRaytheon Company C/o Rmt, INC | Moffett Field | CA | — | ◇ UNVERIFIED |
| RCRaytheon Company Poulsbo | Poulsbo | WA | — | ◇ UNVERIFIED |
| RCRaytheon Company Ssc | Sudbury | MA | — | ◇ UNVERIFIED |
| RIRaytheon Independence Site | Plano | TX | — | ◇ UNVERIFIED |
| RMRaytheon Mckinney Site | Mckinney | TX | — | ◇ UNVERIFIED |
| RSRaytheon Seapower Capability Center | Portsmouth | RI | — | ◇ UNVERIFIED |
| RSRaytheon Systems CO | Columbia City | IN | — | ◇ UNVERIFIED |
| RTRaytheon Technical Services Company, LLC | Indianapolis | IN | — | ◇ UNVERIFIED |
| RTRaytheon Technologies | Portsmouth | RI | — | ◇ UNVERIFIED |
| RTRaytheon Technologies | San Jose | CA | — | ◇ UNVERIFIED |
| RVRaytheon Vision Systems | Goleta | CA | — | ◇ UNVERIFIED |
| RORemote Ocean Systems INC | San Diego | CA | — | ◇ UNVERIFIED |
 Remote Sensing Solutions, Inc. | Barnstable | MA | — | ◇ UNVERIFIED |
| RIRheosense INC | San Ramon | CA | — | ◇ UNVERIFIED |
| RERmh Enterprises, INC | Cincinnati | OH | — | ◇ UNVERIFIED |
 Rockwell Automation Houston Cdv | Houston | TX | — | ◇ UNVERIFIED |
| RCRockwell Collins Display Syste | San Jose | CA | — | ◇ UNVERIFIED |
| RWRock West Composites | San Diego | CA | — | ◇ UNVERIFIED |
| RCRohrback Cosasco System | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| RIRohr Inc, a Utc Aerospace Systems Company | Chula Vista | CA | — | ◇ UNVERIFIED |
| RIRohr INC Operating As Goodrich Aerostructures a Utc Aerospace CO | Riverside | CA | — | ◇ UNVERIFIED |
| RERonan Engineering Company | Valencia | CA | — | ◇ UNVERIFIED |
| SISabia, Incorporated | San Diego | CA | — | ◇ UNVERIFIED |
| SESafran Electronics & Defense Avionics USA LLC | Costa Mesa | CA | — | ◇ UNVERIFIED |
| SISamsara INC. | San Francisco | CA | — | ◇ UNVERIFIED |
| SASandel Avionics INC | Vista | CA | — | ◇ UNVERIFIED |
| SRSanta Rosa Ca/advanced Coating Group/photop Technologies INC | Santa Rosa | CA | — | ◇ UNVERIFIED |
| SEScelzi Equipment, INC | Azusa | CA | — | ◇ UNVERIFIED |
| STSchlumberger Tech CORP C/o Weiss Associates | Moffett Field Nas | CA | — | ◇ UNVERIFIED |
| SESchneider Electric Engineering Services LLC | La Vergne | TN | — | ◇ UNVERIFIED |
| SISchonstedt Instrument Company, LLC | Kearneysville | WV | — | ◇ UNVERIFIED |
| SSSedco Systems INC | Melville | NY | — | ◇ UNVERIFIED |
| SISemco Instruments INC. | Valencia | CA | — | ◇ UNVERIFIED |
| SISensitech, Incorporated | Redmond | WA | — | ◇ UNVERIFIED |
| SCSensor Control Corporation Dba Gentra and Linear Labs | Fremont | CA | — | ◇ UNVERIFIED |
| SDSensor Development INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| SESensormatic Electronics, LLC | Bronx | NY | — | ◇ UNVERIFIED |
| SLSerinus Labs INC | Berkeley | CA | — | ◇ UNVERIFIED |
| SLSerinus Labs INC C/o Wework | Berkeley | CA | — | ◇ UNVERIFIED |
| SSServicon Systems, INC. | Thousand Oaks | CA | — | ◇ UNVERIFIED |
| SSSetra Systems Incorporated | Acton | MA | — | ◇ UNVERIFIED |
| SLShadin LP | Saint Louis Park | MN | — | ◇ UNVERIFIED |
| SISick, INC. | Bloomington | MN | — | ◇ UNVERIFIED |
| SFSiemans - Furnas Controls | West Chicago | IL | — | ◇ UNVERIFIED |
 Siemens Industry INC | Mountain View | HI | — | ◇ UNVERIFIED |
| SISiemens Industry, INC. | Chalfont | PA | — | ◇ UNVERIFIED |
| SLSierra Lobo INC | Pasadena | CA | — | ◇ UNVERIFIED |
| SNSierra Nevada Corporation - Cc5 | Colorado Springs | CO | — | ◇ UNVERIFIED |
| SSSignet Scientific CO | El Monte | CA | — | ◇ UNVERIFIED |
| SASikorsky Aircraft Corporation | San Diego | CA | — | ◇ UNVERIFIED |
| SISipix Imaging INC | Fremont | CA | — | ◇ UNVERIFIED |
| SJS J Electro Systems INC Dba Sje Rhombus | Detroit Lakes | MN | — | ◇ UNVERIFIED |
| SUSkf USA INC. | San Diego | CA | — | ◇ UNVERIFIED |
| SESlocombe Enterprises INC Dba Halseys Auto Center | Canyon Country | CA | — | ◇ UNVERIFIED |
| SDSmart Demolition & Excavation INC | San Francisco | CA | — | ◇ UNVERIFIED |
| SCSolano County Water Agency | Winters | CA | — | ◇ UNVERIFIED |
| SDSonatech Division | Santa Barbara | CA | — | ◇ UNVERIFIED |
| SESonoma Eo | Santa Rosa | CA | — | ◇ UNVERIFIED |
| SASouthwest Aerospace Corporatio | Tustin | CA | — | ◇ UNVERIFIED |
 Southwestern Industries INC | Rancho Dominguez | CA | — | ◇ UNVERIFIED |
| SESpace Exploration Technologies | Hawthorne | CA | — | ◇ UNVERIFIED |
| SISpace Information Laboratories LLC | Santa Maria | CA | — | ◇ UNVERIFIED |
| SVSpace Vector Corporation | Chatsworth | CA | — | ◇ UNVERIFIED |
| SPSpecialty Product Technologies | Elizabethtown | NC | — | ◇ UNVERIFIED |
| SISpectralytics INC | Dassel | MN | — | ◇ UNVERIFIED |
| SSSpectra Sensors INC | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| SASpeqtrum Aerospace | Fort Worth | TX | — | ◇ UNVERIFIED |
| SISpinlaunch INC | Long Beach | CA | — | ◇ UNVERIFIED |
| SHSplendid Home Workshop, LLC | Grant-Valkaria | FL | — | ◇ UNVERIFIED |
| SAStandard Aero Business Aviation Services LLC | Van Nuys | CA | — | ◇ UNVERIFIED |
| SBStarting Block, LLC | Anchorage | AK | — | ◇ UNVERIFIED |
| S3Stepper 3 LLC | Beverly | NJ | — | ◇ UNVERIFIED |
| SJSteve J. Crisanti and Tammy A. Crisanti, Trustees of Crisanti Living Trust, date | Whittier | CA | — | ◇ UNVERIFIED |
| SWStevens Water Monitoring Systems INC | Beaverton | OR | — | ◇ UNVERIFIED |
| SPSundstrand Power Systems | San Diego | CA | — | ◇ UNVERIFIED |
| SCSuperior Control Systems INC | Phoenix | AZ | — | ◇ UNVERIFIED |
| SGSupreme Gear CO | Roseville | MI | — | ◇ UNVERIFIED |
| STSurface Technologies Corporation- Naval Base San Diego 32nd St | San Diego | CA | — | ◇ UNVERIFIED |
| S1Sv 166-16 Woodson Mtn | Ramona | CA | — | ◇ UNVERIFIED |
| S2Sv 214-01 John Wayne | Costa Mesa | CA | — | ◇ UNVERIFIED |
| SSSwitchback Systems INC | Santa Cruz | CA | — | ◇ UNVERIFIED |
| SSSwitchback Systems INC | Santa Cruz | CA | — | ◇ UNVERIFIED |
 Symbolic Displays INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| SDSystem Dynamics Incorporated | Scottsdale | AZ | — | ◇ UNVERIFIED |
| TITa Instruments - Waters LLC | Wakefield | MA | — | ◇ UNVERIFIED |
| TTTaylor Technologies | Hunt Valley | MD | — | ◇ UNVERIFIED |
| TWTaylor Water Technologies LLC - R&d | Sparks Glencoe | MD | — | ◇ UNVERIFIED |
| TCTD Companies, LLC | Fargo | ND | — | ◇ UNVERIFIED |
| TLTecsis LP | Worthington | OH | — | ◇ UNVERIFIED |
| TSTektronix Service Solutions, INC. | Orlando | FL | — | ◇ UNVERIFIED |
| TETeledyne Electronic Systems | Northridge | CA | — | ◇ UNVERIFIED |
| TMTeledyne Monitor Labs | Englewood, CO | CO | — | ◇ UNVERIFIED |
| TSTeledyne Seabotix Incorporated | San Diego | CA | — | ◇ UNVERIFIED |
| TETemple Electronics | Houston | TX | — | ◇ UNVERIFIED |
| TITexas Instruments INC | Lewisville | TX | — | ◇ UNVERIFIED |
| TThales | Kansas City | KS | — | ◇ UNVERIFIED |
| TAThales Aerospace Communications Fullerton INC Dba Comant Industries | Fullerton | CA | — | ◇ UNVERIFIED |
