| SCStott Craft, INC. | Mc Intosh | FL | — | ◇ UNVERIFIED |
| SIStoutco, INC. | Bristol | IN | — | ◇ UNVERIFIED |
| SMStout Machine INC | Corvallis | OR | — | ◇ UNVERIFIED |
| SPSt Paul Machine & Design INC | Shoreview | MN | — | ◇ UNVERIFIED |
| SPSt Paul Machine - Design INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| SPSt. Paul's Manor | San Diego | CA | — | ◇ UNVERIFIED |
| SMStp Machine, LLC | El Dorado | AR | — | ◇ UNVERIFIED |
| SPStraightline Performance Products INC | Forest Lake | MN | — | ◇ UNVERIFIED |
| SIStraitline, INC. | Okarche | OK | — | ◇ UNVERIFIED |
| SMStratford Metal Finishing | Winston Salem | NC | — | ◇ UNVERIFIED |
| SSStratford Steel, LLC | Stratford | CT | — | ◇ UNVERIFIED |
| SStratmet | Milpitas | CA | — | ◇ UNVERIFIED |
| SIStreamline Industries, LLC | Jeanerette | LA | — | ◇ UNVERIFIED |
| SPStreamline Precision INC. | Fairport | NY | — | ◇ UNVERIFIED |
 Streamline Tool & Engineering LLC | Grain Valley | MO | — | ◇ UNVERIFIED |
| SPStreamwood Plating CO | Streamwood | IL | — | ◇ UNVERIFIED |
| SMStrecker Machine INC. | Heizer | KS | — | ◇ UNVERIFIED |
| SFStreet Factory Media | Bloomington | MN | — | ◇ UNVERIFIED |
| SRSt Regis Manufacturing LLC Trading /rs Owens | Itasca | IL | — | ◇ UNVERIFIED |
| SCStrick Corporation | Abbeville | SC | — | ◇ UNVERIFIED |
| SAStrickland Agriculture Services Incorporated | Spring Hope | NC | — | ◇ UNVERIFIED |
| SOStripmasters of Illinois | Granite City | IL | — | ◇ UNVERIFIED |
| SCStripper Chrome Works LLC | Kingman | AZ | — | ◇ UNVERIFIED |
| STStripping The Gears LLC | Spanish Fork | UT | — | ◇ UNVERIFIED |
| SMStrobel Machine, INC. | Worthington | PA | — | ◇ UNVERIFIED |
| SEStrom Engineering Corporation | Louisville | OH | — | ◇ UNVERIFIED |
| SBStrong Built, INC | Waterproof | LA | — | ◇ UNVERIFIED |
 Strong Structural Steel, LTD | Pharr | TX | — | ◇ UNVERIFIED |
| SSStruc Steel INC | Spring Valley | CA | — | ◇ UNVERIFIED |
| SBStructall Building Systems, INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| SCStructural Coatings, INC. | Clayton | NC | — | ◇ UNVERIFIED |
| SCStructural Coatings, INC. - Clayton | Clayton | NC | — | ◇ UNVERIFIED |
| SSStructural Steel Fabricators INC | Stanton | CA | — | ◇ UNVERIFIED |
| SSStructural Steel of Carolina - Hickory Steel | Hickory | NC | — | ◇ UNVERIFIED |
| SSStructural Steel Products Corporation | Clayton | NC | — | ◇ UNVERIFIED |
| SSStructural Steel Services Inc, Plant 3 | Meridian | MS | — | ◇ UNVERIFIED |
| SSStructural Steel Services, Inc., Plant 6 | Meridian | MS | — | ◇ UNVERIFIED |
| SSStructural Steel Services Inc, Plants 1 | Meridian | MS | — | ◇ UNVERIFIED |
| SSStructural Steel Services, Plant 1 | Meridian | MS | — | ◇ UNVERIFIED |
| SFStructure Fabricators | Evansville | IN | — | ◇ UNVERIFIED |
| SWStruthers Wells Corp/warren | Warren | PA | — | ◇ UNVERIFIED |
| SMStryker Metals LLC | Dayton | OH | — | ◇ UNVERIFIED |
| SMSTS Machine Incorporated | Tomball | TX | — | ◇ UNVERIFIED |
| SMStuart Metal Finishing, INC | West Park | FL | — | ◇ UNVERIFIED |
| SStucke | Kent | WA | — | ◇ UNVERIFIED |
| SAStuebing Automatic Machine Company | Cincinnati | OH | — | ◇ UNVERIFIED |
| SDStull Design and Manufactruring LLC | Burlington | KY | — | ◇ UNVERIFIED |
| SBStupp Bros INC | Richardsville | KY | — | ◇ UNVERIFIED |
| SMSturbridge Machining Services LLC | Southbridge | MA | — | ◇ UNVERIFIED |
| SLSturdy Lantern Manufacturing | Franklin | MA | — | ◇ UNVERIFIED |
| SPStutzman Plating CO | Los Angeles | CA | — | ◇ UNVERIFIED |
| SVStutzman Virgil M INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| SBStyle By Design Properties, LLC | Beckley | WV | — | ◇ UNVERIFIED |
| STSubcon Tool Accutool Machine Group INC | Erie | PA | — | ◇ UNVERIFIED |
| SGSuburban Grinding CO | Tualatin | OR | — | ◇ UNVERIFIED |
| SMSuburban Machine Corporation | Wheeling | IL | — | ◇ UNVERIFIED |
| SMSuburban Metal Products | Circleville | OH | — | ◇ UNVERIFIED |
| SSSuburban Steel Supply Company LLC | Gahanna | OH | — | ◇ UNVERIFIED |
| SBSudbury Brass Goods Company Incorporated | Malden | MA | — | ◇ UNVERIFIED |
| SBSudbury Brass Goods Company Incorporated | Chelsea | MA | — | ◇ UNVERIFIED |
| SSSudden Services Inc, Distribution and Operations Center | Philadelphia | MS | — | ◇ UNVERIFIED |
| SPSuffern Plating | Lodi | NJ | — | ◇ UNVERIFIED |
| SCSufrank Corporation | Lawton | OK | — | ◇ UNVERIFIED |
| SHSugar Hollow Machine Shop INC | Jacksboro | TN | — | ◇ UNVERIFIED |
| SSSukup Steel Structures LLC | Ambridge | PA | — | ◇ UNVERIFIED |
| SDSulek Descartes LC | Lake Forest | CA | — | ◇ UNVERIFIED |
| SPSulfrian Prototype Machining Ltd. | Longmont | CO | — | ◇ UNVERIFIED |
| SSSulphur Sheet Metal & Fabrication, INC. | Sulphur | LA | — | ◇ UNVERIFIED |
| SMSulta Manufacturing Company | Sulphur Springs | TX | — | ◇ UNVERIFIED |
| SISulvan Industrial Piping | Perth Amboy | NJ | — | ◇ UNVERIFIED |
| SCSulzer Chemtech Usa, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| SPSulzer Pumps | Portland | OR | — | ◇ UNVERIFIED |
| SPSulzer Pump Services (us) INC. | Mobile | AL | — | ◇ UNVERIFIED |
| SISumatech, INC. | White Marsh | MD | — | ◇ UNVERIFIED |
| SISum Incorporated | Bakersfield | CA | — | ◇ UNVERIFIED |
| SGSummit Gold Enterprises LP | Rancho Cordova | CA | — | ◇ UNVERIFIED |
| SMSummit Machine Inc. | Saint Paul | MN | — | ◇ UNVERIFIED |
| SMSummit Machine INC | Shoreview | MN | — | ◇ UNVERIFIED |
| SMSummit Machine Prods INC | Kansas City | MO | — | ◇ UNVERIFIED |
| SMSummit Manufacturing Powder Coating | Pawtucket | RI | — | ◇ UNVERIFIED |
| SPSummit Peak Manufacturing INC. | Murray | UT | — | ◇ UNVERIFIED |
| SSSummit Steel Works CORP | San Jose | CA | — | ◇ UNVERIFIED |
| SUSummit Utility Structures, LLC | Allentown | PA | — | ◇ UNVERIFIED |
| SPSumner Plating CO | Honeoye Falls | NY | — | ◇ UNVERIFIED |
| SASun Architectural Products, LLC | Cumming | GA | — | ◇ UNVERIFIED |
| SFSunbelt Fabricator | Steele | AL | — | ◇ UNVERIFIED |
| SFSunburst Fabrications INC | Redmond | OR | — | ◇ UNVERIFIED |
| SISunchem INC | Berkeley | CA | — | ◇ UNVERIFIED |
| SMSuncoast Metal LLC | Sarasota | FL | — | ◇ UNVERIFIED |
| SASundrella Aluminum Products CO. | Phoenix | AZ | — | ◇ UNVERIFIED |
| SGSun - Glo Plating Company | Clearwater | FL | — | ◇ UNVERIFIED |
| SHSun Hydraulics Parking Lot and Truck Well | Sarasota | FL | — | ◇ UNVERIFIED |
| SPSunland Properties | Saint Louis | MO | — | ◇ UNVERIFIED |
| SMSunlast Metal, INC. | Palm City | FL | — | ◇ UNVERIFIED |
| SMSun Machine, LTD | Houston | TX | — | ◇ UNVERIFIED |
| SASunnen Abrasives | Saint Louis | MO | — | ◇ UNVERIFIED |
| SPSun Precision Machining, INC | Corona | CA | — | ◇ UNVERIFIED |
| SESunrise Erectors | Canton | MA | — | ◇ UNVERIFIED |
| SHSunrise Hydraulics INC | North Branch | MN | — | ◇ UNVERIFIED |
| SPSunrise Precision Machine CORP | Lindstrom | MN | — | ◇ UNVERIFIED |
