| 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 |
| RHReno Hydraulic & Rebuild INC. | Sparks | NV | — | ◇ UNVERIFIED |
| RCRockwell Collins Display Syste | San Jose | CA | — | ◇ UNVERIFIED |
| RWRock West Composites | San Diego | 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 |
| RERonco Engineering Sales INC | Winona | MN | — | ◇ UNVERIFIED |
| RCRotork Controls INC | Petaluma | CA | — | ◇ UNVERIFIED |
| SESafran Electronics & Defense Avionics USA LLC | Costa Mesa | CA | — | ◇ UNVERIFIED |
| SISamsara INC. | San Francisco | CA | — | ◇ UNVERIFIED |
| SASandel Avionics INC | Vista | CA | — | ◇ UNVERIFIED |
| SSauer-danfoss | Lasalle | IL | — | ◇ UNVERIFIED |
| SEScelzi Equipment, INC | Azusa | CA | — | ◇ UNVERIFIED |
| STSchlumberger Tech CORP C/o Weiss Associates | Moffett Field Nas | CA | — | ◇ UNVERIFIED |
| SISchonstedt Instrument Company, LLC | Kearneysville | WV | — | ◇ UNVERIFIED |
| SSSedco Systems INC | Melville | NY | — | ◇ UNVERIFIED |
| SISemco Instruments INC. | Valencia | 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 |
| SLShadin LP | Saint Louis Park | MN | — | ◇ UNVERIFIED |
| SIShc, INC. | Athens | TN | — | ◇ UNVERIFIED |
| SLSierra Lobo INC | Pasadena | CA | — | ◇ UNVERIFIED |
| SNSierra Nevada Corporation - Cc5 | Colorado Springs | CO | — | ◇ UNVERIFIED |
| SASikorsky Aircraft Corporation | San Diego | CA | — | ◇ UNVERIFIED |
| SESlocombe Enterprises INC Dba Halseys Auto Center | Canyon Country | CA | — | ◇ UNVERIFIED |
| SDSmart Demolition & Excavation INC | San Francisco | CA | — | ◇ UNVERIFIED |
| SDSonatech Division | Santa Barbara | CA | — | ◇ UNVERIFIED |
| SESonoma Eo | Santa Rosa | CA | — | ◇ UNVERIFIED |
| SHSouthern Hydraulic Cylinder INC. | Athens | TN | — | ◇ UNVERIFIED |
| SASouthwest Aerospace Corporatio | Tustin | CA | — | ◇ UNVERIFIED |
| SESpace Exploration Technologies | Hawthorne | CA | — | ◇ UNVERIFIED |
| SISpace Information Laboratories LLC | Santa Maria | CA | — | ◇ UNVERIFIED |
| SVSpace Vector Corporation | Chatsworth | CA | — | ◇ UNVERIFIED |
| SISpectralytics INC | Dassel | MN | — | ◇ UNVERIFIED |
| SASpeqtrum Aerospace | Fort Worth | TX | — | ◇ UNVERIFIED |
| SISpinlaunch INC | Long Beach | CA | — | ◇ UNVERIFIED |
| SFSpx Flow US LLC | Rockford | IL | — | ◇ UNVERIFIED |
| SAStandard Aero Business Aviation Services LLC | Van Nuys | CA | — | ◇ UNVERIFIED |
| SJSteve J. Crisanti and Tammy A. Crisanti, Trustees of Crisanti Living Trust, date | Whittier | CA | — | ◇ UNVERIFIED |
| SPSundstrand Power Systems | San Diego | CA | — | ◇ 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 |
