| RIRohr INC Operating As Goodrich Aerostructures a Utc Aerospace CO | Riverside | CA | — | ◇ UNVERIFIED |
| SESafran Electronics & Defense Avionics USA LLC | Costa Mesa | CA | — | ◇ UNVERIFIED |
| SISamsara INC. | San Francisco | CA | — | ◇ UNVERIFIED |
| SASandel Avionics INC | Vista | CA | — | ◇ 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 |
| 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 |
| 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 |
| 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 |
| S2Sv 214-01 John Wayne | Costa Mesa | CA | — | ◇ UNVERIFIED |
 Symbolic Displays INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| TSTektronix Service Solutions, INC. | Orlando | FL | — | ◇ UNVERIFIED |
| TETeledyne Electronic Systems | Northridge | CA | — | ◇ 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 |
| TAThe Aerospace CORP - Cos-2 | Colorado Springs | CO | — | ◇ UNVERIFIED |
| TBThe Boeing Company | Anaheim | CA | — | ◇ UNVERIFIED |
| TCThe Cardenas Family Trust November 7, 2001 | San Diego | CA | — | ◇ UNVERIFIED |
| TATowards Aviation | Victorville | CA | — | ◇ UNVERIFIED |
| TITrimble INC | Sunnyvale | CA | — | ◇ UNVERIFIED |
| TNTrimble Navigation | Milpitas | CA | — | ◇ UNVERIFIED |
