| SAShaw Aero Devices | Fort Myers | FL | — | ◇ UNVERIFIED |
| SAShaw Aero Devices INC | Wainscott | NY | — | ◇ UNVERIFIED |
| SISick INC | Savage | MN | — | ◇ UNVERIFIED |
| SISick, INC. | Bloomington | MN | — | ◇ UNVERIFIED |
| SCSico Control Systems INC | Dover | NJ | — | ◇ UNVERIFIED |
| SFSiemans - Furnas Controls | West Chicago | IL | — | ◇ UNVERIFIED |
| SESiemens Energy & Automation INC | Batavia | IL | — | ◇ UNVERIFIED |
| SESiemens Energy & Automation INC | Marysville | OH | — | ◇ UNVERIFIED |
| SESiemens Energy, INC. | Wendell | NC | — | ◇ UNVERIFIED |
 Siemens Industry INC | Mountain View | HI | — | ◇ UNVERIFIED |
| SISiemens Industry INC. | Plano | TX | — | ◇ UNVERIFIED |
| SISiemens Industry, INC. | Chalfont | PA | — | ◇ UNVERIFIED |
| SISiemens Industry INC Building Technologies Div | Florham Park | NJ | — | ◇ UNVERIFIED |
| SISiemens Industry INC -scc Enterprise Campus Authority '94 Warehouse | Duncan | SC | — | ◇ UNVERIFIED |
| SMSiemens Medical Solutions Usa, INC | Flanders | NJ | — | ◇ UNVERIFIED |
| SSierracin-harrison | Burbank | CA | — | ◇ UNVERIFIED |
| SHSierra Hotel Aero INC | South Saint Paul | MN | — | ◇ UNVERIFIED |
| SSSierra Space A2 Centennial Location | Centennial | CO | — | ◇ UNVERIFIED |
| SSSignet Scientific CO | El Monte | CA | — | ◇ UNVERIFIED |
| SGSign Guy DFW Inc. | Terrell | TX | — | ◇ UNVERIFIED |
| SASikorski Aircraft Corporation | Fairburn | GA | — | ◇ UNVERIFIED |
| SMSilicon Mechanics | Bothell | WA | — | ◇ UNVERIFIED |
| SVSilicon Valley Group Thermco | Orange | CA | — | ◇ UNVERIFIED |
| SNSinandode North America | Moses Lake | WA | — | ◇ 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 |
| SESkyline Electric and Mfg CO INC | Seattle | WA | — | ◇ UNVERIFIED |
| SISkytronics, INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| SISlammers INC. | Paradise | UT | — | ◇ UNVERIFIED |
| SESmart Electronics & Assembly, INC | Anaheim | CA | — | ◇ UNVERIFIED |
| SASmiths Aerospace | Santa Ana | CA | — | ◇ UNVERIFIED |
| SISmiths Industrial Aerospace Signal Proce | San Diego | CA | — | ◇ UNVERIFIED |
 Smiths Interconnect Americas INC | Costa Mesa | CA | — | ◇ UNVERIFIED |
| SSSmith & Smith Aircraft International, LTD. | Wichita | KS | — | ◇ UNVERIFIED |
| SCSolano County Water Agency | Winters | CA | — | ◇ UNVERIFIED |
| SISolarbos, INC. | Livermore | CA | — | ◇ UNVERIFIED |
| SESolar Electric Texas, LLC | San Antonio | TX | — | ◇ UNVERIFIED |
| SESoles Electric of Huntington, INC. | Huntington | WV | — | ◇ UNVERIFIED |
| SISonfarrel INC | Anaheim | CA | — | ◇ UNVERIFIED |
| SBSony Biotechnology INC. | San Jose | CA | — | ◇ UNVERIFIED |
| SMSOS Mfg., Inc. | Roberts | WI | — | ◇ UNVERIFIED |
| SESouthbay Electrical Supply CORP | South El Monte | CA | — | ◇ UNVERIFIED |
| SESouthern Electrical Equipment Company, INC. | Reno | NV | — | ◇ UNVERIFIED |
 Southwestern Industries INC | Rancho Dominguez | CA | — | ◇ UNVERIFIED |
| SLSpace Lok Incorporated | Gardena | CA | — | ◇ UNVERIFIED |
| SISpan.io. INC | San Francisco | CA | — | ◇ UNVERIFIED |
| SISpares INC | Florence | OR | — | ◇ UNVERIFIED |
| SLSparton LLC Irvine | Irvine | CA | — | ◇ UNVERIFIED |
| SESpd Electrical Systems | Philadelphia | PA | — | ◇ UNVERIFIED |
