| RRRolls Royce Solutions America Inc. Industrial Rd Mankato, MN | Mankato | MN | Electrical Equipment, Appliance & Component Manufacturing335311 | 20-99 | ◐ LIKELY ACTIVE |
| RSRolls-Royce Solutions America Inc. Lundin Blvd. Mankato, MN | Mankato | MN | Machinery Manufacturing333611 | 20-99 | ◐ LIKELY ACTIVE |
| RRRolls Royce Solutions America Inc. Power Drive Mankato, MN | Mankato | MN | Electrical Equipment, Appliance & Component Manufacturing335122 | 100-499 | ◐ LIKELY ACTIVE |
| RERondo Energy INC | Alameda | CA | Electrical Equipment, Appliance & Component Manufacturing335999 | 100-499 | ◐ LIKELY ACTIVE |
| RIRonken Industries INC | Spring Valley | IL | Computer and Electronic Product Manufacturing334416 | 1-19 | ◐ LIKELY ACTIVE |
| RCRosini Carbons CO Inc/boyers | Boyers | PA | Electrical Equipment, Appliance & Component Manufacturing335991 | — | ◐ LIKELY ACTIVE |
| RMRussell Mun. Power Plant #1 | Russell | KS | Electrical Equipment, Appliance & Component Manufacturing335311 | — | ◐ LIKELY ACTIVE |
| SBSamsungSDI B1 | Auburn Hills | MI | Electrical Equipment, Appliance & Component Manufacturing335911 | 20-99 | ◐ LIKELY ACTIVE |
| SCSanta Clara | Santa Clara | CA | Printing and Related Support Activities323111 | 1-19 | ◐ LIKELY ACTIVE |
| SISaturn Industries, INC. | Hudson | NY | Electrical Equipment, Appliance & Component Manufacturing335991 | 20-99 | ◐ LIKELY ACTIVE |
S&c Electric Company | West Palm Beach | FL | Electrical Equipment, Appliance & Component Manufacturing335311 | — | ◐ LIKELY ACTIVE |
S&C Electric Company Alameda | Alameda | CA | Electrical Equipment, Appliance & Component Manufacturing335313 | 20-99 | ◐ LIKELY ACTIVE |
S&C Electric Company Palatine | Palatine | IL | Electrical Equipment, Appliance & Component Manufacturing335313 | 100-499 | ◐ LIKELY ACTIVE |
| SESchneider Electric | Smyrna | TN | Electrical Equipment, Appliance & Component Manufacturing335311 | 100-499 | ◐ LIKELY ACTIVE |
| SESchneider Electric - West Chester | West Chester | OH | Electrical Equipment, Appliance & Component Manufacturing335313 | 100-499 | ◐ LIKELY ACTIVE |
| SSScorpius Space Launch Company | Torrance | CA | Electrical Equipment, Appliance & Component Manufacturing335991 | — | ◐ LIKELY ACTIVE |
| SEScott Engineering INC | Chino | CA | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◐ LIKELY ACTIVE |
| SMScott Manufacturing Solutions | Chino | CA | Electrical Equipment, Appliance & Component Manufacturing335313 | 100-499 | ◐ LIKELY ACTIVE |
| SServtech | Louisville | CO | Machinery Manufacturing333132 | 100-499 | ◐ LIKELY ACTIVE |
| SCSgl Carbon Llc/spring Graphite Plt | Sinking Spring | PA | Electrical Equipment, Appliance & Component Manufacturing335991 | — | ◐ LIKELY ACTIVE |
| SLShat-r-shield Lighting, INC. | Salisbury | NC | Electrical Equipment, Appliance & Component Manufacturing335110 | — | ◐ LIKELY ACTIVE |
| SIShermco Industries | Irving | TX | Electrical Equipment, Appliance & Component Manufacturing335312 | 500+ | ◐ LIKELY ACTIVE |
Siemens Industry | Grand Prairie | TX | Electrical Equipment, Appliance & Component Manufacturing335313 | 100-499 | ◐ LIKELY ACTIVE |
Siemens Industry | Fort Worth | TX | Electrical Equipment, Appliance & Component Manufacturing335313 | 500+ | ◐ LIKELY ACTIVE |
| SISimplex INC | Springfield | IL | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| SBSk Battery America | Commerce | GA | Electrical Equipment, Appliance & Component Manufacturing335911 | — | ◐ LIKELY ACTIVE |
| SESolid Energy Systems INC | Woburn | MA | Electrical Equipment, Appliance & Component Manufacturing335911 | 1-19 | ◐ LIKELY ACTIVE |
| SSSolid State Devices INC | La Mirada | CA | Computer and Electronic Product Manufacturing334413 | 100-499 | ◐ LIKELY ACTIVE |
| SBSonin Beako, LLC | Queen City | TX | Electrical Equipment, Appliance & Component Manufacturing335999 | 20-99 | ◐ LIKELY ACTIVE |
| SPSora Power INC. | Corona | CA | Computer and Electronic Product Manufacturing334511 | — | ◐ LIKELY ACTIVE |
| S8South 8 Technologies, INC. | San Diego | CA | Electrical Equipment, Appliance & Component Manufacturing335910 | — | ◐ LIKELY ACTIVE |
| SBSouth Bay Wire and Cable Company, LLC | Idyllwild | CA | Electrical Equipment, Appliance & Component Manufacturing335929 | — | ◐ LIKELY ACTIVE |
| SASpf America, LLC | Fort Smith | AR | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| SCSpring City Electrical Mfg. Co. | Spring City | PA | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| STSpx Transformer Solutions | Dudley | NC | Electrical Equipment, Appliance & Component Manufacturing335311 | — | ◐ LIKELY ACTIVE |
| SDSquare D Company | Knightdale | NC | Electrical Equipment, Appliance & Component Manufacturing335314 | — | ◐ LIKELY ACTIVE |
| STSSI Technologies, LLC - Palmer | Janesville | WI | Electrical Equipment, Appliance & Component Manufacturing335314 | 100-499 | ◐ LIKELY ACTIVE |
| SEStaubli Electrical Connectors, INC. | Windsor | CA | Computer and Electronic Product Manufacturing334417 | — | ◐ LIKELY ACTIVE |
| SDSteel Dynamics, Inc. - Biocarbon Solutions | Columbus | MS | Electrical Equipment, Appliance & Component Manufacturing335991 | 20-99 | ◐ LIKELY ACTIVE |
| SBSterling Battery CO | Garden City | ID | Electrical Equipment, Appliance & Component Manufacturing335911 | — | ◐ LIKELY ACTIVE |
| SSSterling Systems & Controls | Sterling | IL | Electrical Equipment, Appliance & Component Manufacturing335314 | 20-99 | ◐ LIKELY ACTIVE |
| SEStryten Energy LLC | Alpharetta | GA | Electrical Equipment, Appliance & Component Manufacturing335911 | 100-499 | ◐ LIKELY ACTIVE |
| SSSunbelt Solomon - COGJ | Grand Junction | CO | Electrical Equipment, Appliance & Component Manufacturing335311 | 20-99 | ◐ LIKELY ACTIVE |
| SSSunbelt Solomon Services - TNDE | Decatur | TN | Electrical Equipment, Appliance & Component Manufacturing335311 | 100-499 | ◐ LIKELY ACTIVE |
| SBSunlight Batteries USA | Greensboro | NC | Electrical Equipment, Appliance & Component Manufacturing335911 | 20-99 | ◐ LIKELY ACTIVE |
| SBSuperior Battery Mfg CO | Russell Springs | KY | Electrical Equipment, Appliance & Component Manufacturing335910 | 100-499 | ◐ LIKELY ACTIVE |
| SBSuperior Battery Mfg CO Inc- Form and Finish Division | Russell Springs | KY | Electrical Equipment, Appliance & Component Manufacturing335911 | — | ◐ LIKELY ACTIVE |
| SGSuperior Graphite CO | Hopkinsville | KY | Petroleum and Coal Products Manufacturing324199 | 20-99 | ◐ LIKELY ACTIVE |
| SWSuper-temp Wire & Cable, LLC | South Burlington | VT | Primary Metal Manufacturing331420 | — | ◐ LIKELY ACTIVE |
| SESwam Elec Div Bj Baldwin Elec Inc/hanover | Hanover | PA | Electrical Equipment, Appliance & Component Manufacturing335313 | — | ◐ LIKELY ACTIVE |