| RSRsd Security Scanners | El Paso | TX | — | ◇ UNVERIFIED |
| SISabia, Incorporated | San Diego | CA | — | ◇ UNVERIFIED |
| SCSaint-gobain Crystals | Newbury | OH | — | ◇ UNVERIFIED |
| SCSaint-gobain Crystals | Solon | OH | — | ◇ UNVERIFIED |
| STSAKOR Technologies Inc. | Owosso | MI | — | ◇ UNVERIFIED |
| SISales International | Carson | CA | — | ◇ UNVERIFIED |
| SISaltire Investment Corp | Midvale | UT | — | ◇ UNVERIFIED |
| SDSamaritan Diagnostics LLC | Maryville | TN | — | ◇ UNVERIFIED |
| SRSanta Rosa Ca/advanced Coating Group/photop Technologies INC | Santa Rosa | CA | — | ◇ UNVERIFIED |
| SESchneider Electric Engineering Services LLC | La Vergne | TN | — | ◇ UNVERIFIED |
| SPScott's Plating | Providence | RI | — | ◇ UNVERIFIED |
| SMSeco Manufacturing | Redding | CA | — | ◇ UNVERIFIED |
| SMSeco Mfg CO INC | Mound City | IL | — | ◇ UNVERIFIED |
| SISensitech, Incorporated | Redmond | WA | — | ◇ UNVERIFIED |
| SCSensor Control Corporation Dba Gentra and Linear Labs | Fremont | CA | — | ◇ UNVERIFIED |
| SESensor Electronics Corporation | Savage | MN | — | ◇ UNVERIFIED |
| SISensorEra Inc | Houston | TX | — | ◇ UNVERIFIED |
| SISensortronics INC | Covina | CA | — | ◇ UNVERIFIED |
| SSSetra Systems Incorporated | Acton | MA | — | ◇ UNVERIFIED |
| SISfs Intec INC. | West Sacramento | CA | — | ◇ UNVERIFIED |
| SHSharewell Hdd Services | Spring | TX | — | ◇ 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 |
| SSSignet Scientific CO | El Monte | 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 |
| SASmart Ag LLC | Big Lake | MN | — | ◇ UNVERIFIED |
| SCSolano County Water Agency | Winters | CA | — | ◇ UNVERIFIED |
 Southwestern Industries INC | Rancho Dominguez | CA | — | ◇ UNVERIFIED |
| SMSpecialty Manufacturing INC | Murfreesboro | TN | — | ◇ UNVERIFIED |
| SPSpecialty Product Technologies | Elizabethtown | NC | — | ◇ UNVERIFIED |
| SSSpectra Sensors INC | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| SHSplendid Home Workshop, LLC | Grant-Valkaria | FL | — | ◇ UNVERIFIED |
| SRSquare Robot INC | Marlborough | MA | — | ◇ UNVERIFIED |
| SBStarting Block, LLC | Anchorage | AK | — | ◇ UNVERIFIED |
| S3Stepper 3 LLC | Beverly | NJ | — | ◇ UNVERIFIED |
| SWStevens Water Monitoring Systems INC | Beaverton | OR | — | ◇ UNVERIFIED |
| SMStrain Measurement Devices, INC. | Wallingford | CT | — | ◇ UNVERIFIED |
| SCSuperior Control Systems INC | Phoenix | AZ | — | ◇ UNVERIFIED |
| SSSwitchback Systems INC | Santa Cruz | CA | — | ◇ UNVERIFIED |
| SSSwitchback Systems INC | Santa Cruz | CA | — | ◇ UNVERIFIED |
| SSymmetricom | Santa Clara | CA | — | ◇ UNVERIFIED |
| SISymmetricom INC | San Jose | CA | — | ◇ UNVERIFIED |
| SBSyntron Bioresearch INC | Carlsbad | CA | — | ◇ UNVERIFIED |
| SDSystem Dynamics Incorporated | Scottsdale | AZ | — | ◇ UNVERIFIED |
| S2Systems 2000 INC | Glendale | 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 |
| TETectron Engineering Company | Jacksonville | FL | — | ◇ UNVERIFIED |
| TMTeledyne Monitor Labs | Englewood, CO | CO | — | ◇ UNVERIFIED |
| TRTeledyne Rad-icon Imaging Corporation | Sunnyvale | CA | — | ◇ UNVERIFIED |
| TITelog Instruments INC. | Victor | NY | — | ◇ UNVERIFIED |
| TMTel-tru Manufacturing, INC. | Rochester | NY | — | ◇ UNVERIFIED |
| TPTest Products, Incorporated | Sterling Heights | MI | — | ◇ UNVERIFIED |
| TBThe Blodgett Company | Richmond | TX | — | ◇ UNVERIFIED |
| TEThe Energy Conservatory INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| TGThe Gas Co./ Sempra Energy | Pico Rivera | CA | — | ◇ UNVERIFIED |
| TEThermo Electric Company, INC. | West Chester | PA | — | ◇ UNVERIFIED |
| TFThermo Fisher Scientific (dba Dionex) | Sunnyvale | CA | — | ◇ UNVERIFIED |
| TNThermo Neslab | Newington | NH | — | ◇ UNVERIFIED |
| TTherm-x | Hayward | CA | — | ◇ UNVERIFIED |
| TOTherm-x of California INC | Hayward | CA | — | ◇ UNVERIFIED |
| TSThe Stratford Companies, Inc. | Hayden | ID | — | ◇ UNVERIFIED |
| TITmco, INC. | Simonton | TX | — | ◇ UNVERIFIED |
| TOTown of Parker - Wwtp - Outfall 001 | Parker | AZ | — | ◇ UNVERIFIED |
| TIToxalert International INC | Mound | MN | — | ◇ UNVERIFIED |
| TATried and True Metrology LLC | Chesapeake | VA | — | ◇ UNVERIFIED |
| TNTrimble Navigation | Milpitas | CA | — | ◇ UNVERIFIED |
| TITri-state Industries, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
 Tri-tech Forensics, INC. | Southport | NC | — | ◇ UNVERIFIED |
| TITurbines, INC | Altus | OK | — | ◇ UNVERIFIED |
 United Electric Controls Precision Sensors Divisions | Milford | CT | — | ◇ UNVERIFIED |
| UEUS Epa Region 2 - Ridgewood Summerfield St Mercury Site | Ridgewood | NY | — | ◇ UNVERIFIED |
| USU S Gauge | Bartow | FL | — | ◇ UNVERIFIED |
| UAUtc Aerospace Systems - Eagan | Eagan | MN | — | ◇ UNVERIFIED |
| VMV3 Manufacturing | San Jose | CA | — | ◇ UNVERIFIED |
| VFVacaville Fire Protection | Vacaville | CA | — | ◇ UNVERIFIED |
| VIVacmet, INC. | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| VIVacuum Instruments Corporation LLC | Ronkonkoma | NY | — | ◇ UNVERIFIED |
| VIVaisala, INC | Paw Paw | IL | — | ◇ UNVERIFIED |
 Validyne Engineering CORP | Northridge | CA | — | ◇ UNVERIFIED |
| VTVantage Technology Corporation | San Jose | CA | — | ◇ UNVERIFIED |
| VMVector Magnetics LLC | Ithaca | NY | — | ◇ UNVERIFIED |
| VCVericom Computers INC | Rogers | MN | — | ◇ UNVERIFIED |
| VIVeris Industries Site | Portland | OR | — | ◇ UNVERIFIED |
| VUVesper USA LLC | Brooklyn | NY | — | ◇ UNVERIFIED |
| VLVibrac, LLC | Manchester | NH | — | ◇ UNVERIFIED |
| VIVibro-meter INC | Londonderry | NH | — | ◇ UNVERIFIED |
| VWVisi-Trak Worldwide, LLC | Valley View | OH | — | ◇ UNVERIFIED |
| VLVortic LLC | Fort Collins | CO | — | ◇ UNVERIFIED |
| WMWa317945328 - Micro Radian Instruments (washington) INC | Bellingham | WA | — | ◇ UNVERIFIED |
| WEWa317947154 - Echo Ultrasonics LLC | Bellingham | WA | — | ◇ UNVERIFIED |
| WAWa317947631 - Advanced Wellness Products, INC. | Bellingham | WA | — | ◇ UNVERIFIED |
| WEWagner Electronic Products, INC. | Rogue River | OR | — | ◇ UNVERIFIED |
