| 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 |
| TNTrimble Navigation | Sunnyvale | CA | — | ◇ UNVERIFIED |
| TNTrimble Navigation Limited | Englewood | CO | — | ◇ UNVERIFIED |
| TNTrimble Navigation Limited INC | Broomfield | CO | — | ◇ UNVERIFIED |
| TNTrimble Navigation LTD | Sunnyvale | CA | — | ◇ UNVERIFIED |
| TFTriumph Fabrications - San Diego | El Cajon | CA | — | ◇ UNVERIFIED |
| THTroy Hill Industrial Park - Ngsc Msat3 | Elkridge | MD | — | ◇ UNVERIFIED |
| TNTrue North Apartment Building | Seattle | WA | — | ◇ UNVERIFIED |
| TETrw Electromagnetic Systems | Sunnyvale | CA | — | ◇ UNVERIFIED |
| TSTrw Systems Integration Group | Sunnyvale | CA | — | ◇ UNVERIFIED |
| UEUltra Electronics Ocean Systems | Braintree | MA | — | ◇ UNVERIFIED |
| UEUltra Electronics Ocean Systems INC | Quincy | MA | — | ◇ UNVERIFIED |
| UEUltra Electronics - Ussi | Columbia City | IN | — | ◇ UNVERIFIED |
 Undersea Sensor Systems, INC. | Columbia City | IN | — | ◇ UNVERIFIED |
| ULUnited Launch Alliance LLC | Vandenberg Afb | CA | — | ◇ UNVERIFIED |
| UPUnited Paradyne Corporation | Vandenberg Afb | CA | — | ◇ UNVERIFIED |
| UTUnited Technologies Corporation Dba Atlantic Inertial Systems | Heath | OH | — | ◇ UNVERIFIED |
 Universal Avionics Systems CORP Willows | Redmond | WA | — | ◇ UNVERIFIED |
| UNUrsa Navigation Solutions, Inc. | North Billerica | MA | — | ◇ UNVERIFIED |
| UOUsdol Osha- North Aurora | Loves Park | IL | — | ◇ UNVERIFIED |
| UNU.s. Navy Combat System Engineering Development Site | Moorestown | NJ | — | ◇ UNVERIFIED |
| UAUtc Aerospace Systems - Eagan | Eagan | MN | — | ◇ UNVERIFIED |
| ULUtiliquest LLC | Beltsville | MD | — | ◇ UNVERIFIED |
| VIVaisala INC. | Woburn | MA | — | ◇ UNVERIFIED |
| VIVaisala, INC | Kodiak | AK | — | ◇ UNVERIFIED |
| VAVal Avionics LTD | Salem | OR | — | ◇ UNVERIFIED |
| VAVazquez Auto Electric | Jurupa Valley | CA | — | ◇ UNVERIFIED |
| VTVictor Tool Co., INC. | Meriden | CT | — | ◇ UNVERIFIED |
| VIVisioneering INC | Fraser | MI | — | ◇ UNVERIFIED |
| WTWa317947476 - Trufab LLC | Shelton | WA | — | ◇ UNVERIFIED |
| WAWa317947827 - Afab Enterprises LLC | Anacortes | WA | — | ◇ UNVERIFIED |
| WHWa317948263 - Honeywell International | Renton | WA | — | ◇ UNVERIFIED |
| WSWards Science | Rochester | NY | — | ◇ UNVERIFIED |
 Williamsrdm, INC. | Fort Worth | TX | — | ◇ UNVERIFIED |
