| SIServsteel Inc/morgan | Morgan | PA | — | ◇ UNVERIFIED |
 Sewer Equipment CO of America | Chadwick | IL | — | ◇ UNVERIFIED |
| SCSf Ch1, LLC | Chicago | IL | — | ◇ UNVERIFIED |
| SLShadow Lake Resort | Wilmington | IL | — | ◇ UNVERIFIED |
| SDShawn Daugherty | Mahomet | IL | — | ◇ UNVERIFIED |
| SBSh Bell CO | Chicago | IL | — | ◇ UNVERIFIED |
| SFShelf-kote Finishers LLC | Wheeling | IL | — | ◇ UNVERIFIED |
| SSSheridan Supply CO - Newmanstown | Newmanstown | PA | — | ◇ UNVERIFIED |
| SPShield Packaging CO INC | Canton | MA | — | ◇ UNVERIFIED |
| SCShmeker Construction | Libertyville | IL | — | ◇ UNVERIFIED |
| SOShoppes of Kildeer | Palatine | IL | — | ◇ UNVERIFIED |
| SESiemens Energy, INC | Geismar | LA | — | ◇ UNVERIFIED |
| SMSignet Machine INC | Grandville | MI | — | ◇ UNVERIFIED |
| SJSigrist Jason | Farina | IL | — | ◇ UNVERIFIED |
| SOSixty One Industrial Park | Memphis | TN | — | ◇ UNVERIFIED |
| SVSkokie, Village of | Skokie | IL | — | ◇ UNVERIFIED |
| SUSkulls Unlimited | Oklahoma City | OK | — | ◇ UNVERIFIED |
| SLS L Auburn INC | Auburn | NY | — | ◇ UNVERIFIED |
| SGSloan Glass INC | Culloden | WV | — | ◇ UNVERIFIED |
| SASmall Assemblies INC | Chicago | IL | — | ◇ UNVERIFIED |
| SSSmeal Sfa LLC | Snyder | NE | — | ◇ UNVERIFIED |
| SISmf INC | Minonk | IL | — | ◇ UNVERIFIED |
| SESmithco Engineering INC | Tulsa | OK | — | ◇ UNVERIFIED |
| SMSmith Mountain Industries INC | Forest | VA | — | ◇ UNVERIFIED |
| SMSmiths Machine and Welding Company INC | Brookhaven | MS | — | ◇ UNVERIFIED |
| STSmiths Tubular Systems | Laconia | NH | — | ◇ UNVERIFIED |
| SMSmtc Manufacturing CORP of Massachusetts | Franklin | MA | — | ◇ UNVERIFIED |
| SISnyder Industries INC | Seattle | WA | — | ◇ UNVERIFIED |
| SCSokol & Company | Countryside | IL | — | ◇ UNVERIFIED |
| SCSolbern CORP | Fairfield | NJ | — | ◇ UNVERIFIED |
| SCSolomon Corporation - Flandreau | Flandreau | SD | — | ◇ UNVERIFIED |
| SOSomerset Office Condominium | Boston | MA | — | ◇ UNVERIFIED |
| SESonny's Ent LLC | Tamarac | FL | — | ◇ UNVERIFIED |
| STSonny's the Carwash Factory | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| SPSoramatic Precision Machining | Warren | MI | — | ◇ UNVERIFIED |
| SBSotek Belrix | Hamburg | NY | — | ◇ UNVERIFIED |
| SPSouriau Paande Sequim | Sequim | WA | — | ◇ UNVERIFIED |
| SCSouth Chicago Property Mgmt LTD | Chicago | IL | — | ◇ UNVERIFIED |
| SMSouthern Metal Processing Company | Oxford | AL | — | ◇ UNVERIFIED |
| SMSouthern Miscellaneous Columbia LLC | West Columbia | SC | — | ◇ UNVERIFIED |
| SSSouthern Sales | Travelers Rest | SC | — | ◇ UNVERIFIED |
| SMSouthwest Management CO | Alsip | IL | — | ◇ UNVERIFIED |
| SMSouthwest Mill & Lumber Incorporated | N Hollywood | CA | — | ◇ UNVERIFIED |
| SISparkman Industries Plant 2 | Victoria | TX | — | ◇ UNVERIFIED |
| SMSpartech Marine Industries Florida | Rockledge | FL | — | ◇ UNVERIFIED |
| SFSpecial Fab & Machine, INC. | Lexington | NC | — | ◇ UNVERIFIED |
| SESpecial-t Engraving & Gifts | Rockford | IL | — | ◇ UNVERIFIED |
| SGSpecialty Groups INC Shop | Lost Creek | WV | — | ◇ UNVERIFIED |
| SASpectrum Aquatics | Missoula | MT | — | ◇ UNVERIFIED |
| SBSpectrum Brands Pet Group INC | Blacksburg | VA | — | ◇ UNVERIFIED |
| SMSpill-stop Mfg. LLC | Melrose Park | IL | — | ◇ UNVERIFIED |
| SRSpoon Ridge Landfill | Fairview | IL | — | ◇ UNVERIFIED |
| SRSport Redi-mix LLC | Mahomet | IL | — | ◇ UNVERIFIED |
| SSSpraying System CO | Wheaton | IL | — | ◇ UNVERIFIED |
| SSSpraying Systems CO | Merrimack | NH | — | ◇ UNVERIFIED |
| SWSpringbrook Waste Facility & Compost Site | Naperville | IL | — | ◇ UNVERIFIED |
| SFSpx Flow US LLC - Millstead Way | Rochester | NY | — | ◇ UNVERIFIED |
| SCSst Custom Fabricators | Okeechobee | FL | — | ◇ UNVERIFIED |
| SPStack-on Products | Wauconda | IL | — | ◇ UNVERIFIED |
| SGStandard Golf CO | Cedar Falls | IA | — | ◇ UNVERIFIED |
 Standard Machine Works INC | Houston | TX | — | ◇ UNVERIFIED |
| STStandard Technologies & Machine CO | Wilmington | DE | — | ◇ UNVERIFIED |
| STStandard Thomson CORP | Waltham | MA | — | ◇ UNVERIFIED |
| SWStandard Warehouse Company | Lugoff | SC | — | ◇ UNVERIFIED |
| SIStandex International Spincraft Division | Billerica | MA | — | ◇ UNVERIFIED |
| SIStanley Industries INC | Warrensville Hts | OH | — | ◇ UNVERIFIED |
| SAStark Auto Sales | Charleston | IL | — | ◇ UNVERIFIED |
| SEStark Excavating | Bloomington | IL | — | ◇ UNVERIFIED |
| SPStarro Precision Products INC | Elgin | IL | — | ◇ UNVERIFIED |
| SRStarved Rock Adventures, INC. | Ottawa | IL | — | ◇ UNVERIFIED |
| SRState Route 85 (sr-85) Landfill | Buckeye | AZ | — | ◇ UNVERIFIED |
| SSState Street Bank - Westwood | Westwood | MA | — | ◇ UNVERIFIED |
| SJStephanie Joos | Champaign | IL | — | ◇ UNVERIFIED |
| SCStephenson County Choppers | Freeport | IL | — | ◇ UNVERIFIED |
| SDSteris Distribution Center | Mentor | OH | — | ◇ UNVERIFIED |
| SESterling Engines | Rockford | IL | — | ◇ UNVERIFIED |
| SPSteven Piper & Sons | Naperville | IL | — | ◇ UNVERIFIED |
| SIStevers INC | Peoria | IL | — | ◇ UNVERIFIED |
| SLSt. Louis Metallizing Company | Saint Louis | MO | — | ◇ UNVERIFIED |
| SLSt Louis National Stockyards | East Saint Louis | IL | — | ◇ UNVERIFIED |
| SLSt Louis Regional Airport | East Alton | IL | — | ◇ UNVERIFIED |
| SIStoll Industries, INC. | Abbeville | SC | — | ◇ UNVERIFIED |
| SCStone Creek Brick CO | Stone Creek | OH | — | ◇ UNVERIFIED |
| SOStorage of America | Rock Island | IL | — | ◇ UNVERIFIED |
| SAStrickland Agriculture Services Incorporated | Spring Hope | NC | — | ◇ UNVERIFIED |
| SOStripmasters of Illinois | Granite City | IL | — | ◇ UNVERIFIED |
| SCStrombecker CORP | Chicago | IL | — | ◇ UNVERIFIED |
| SGStuart Gessner | Streator | IL | — | ◇ UNVERIFIED |
| SLSturdy Lantern Manufacturing | Franklin | MA | — | ◇ UNVERIFIED |
| SPSullivan Palatek | Michigan City | IN | — | ◇ UNVERIFIED |
| SPSulzer Pumps | Portland | OR | — | ◇ UNVERIFIED |
| SPSulzer Pump Services (us) INC. | Mobile | AL | — | ◇ UNVERIFIED |
| SWSunshine Welding, Scallop | Port Canaveral | FL | — | ◇ UNVERIFIED |
| SCSunsoft Corporation | Albuquerque | NM | — | ◇ UNVERIFIED |
| SWSun Way Forest Products | Wilmington | IL | — | ◇ UNVERIFIED |
| SCSuperior Cleaners | La Grange Park | IL | — | ◇ UNVERIFIED |
| SDSuperior Derrick Services LLC | New Iberia | LA | — | ◇ UNVERIFIED |
| SESuperior Environmental Remediation, INC | Waukegan | IL | — | ◇ UNVERIFIED |
| SMSuperior Machine & Pattern, INC. | Talladega | AL | — | ◇ UNVERIFIED |
| SSSuperior Solvents and Chemicals INC | Effingham | IL | — | ◇ UNVERIFIED |
