| SPSemon Production Machining, Inc., Doug | Shreveport | LA | — | ◇ UNVERIFIED |
| SCSenju Comtek Corporation | San Jose | CA | — | ◇ UNVERIFIED |
| SWSensor Werks | Columbus | OH | — | ◇ UNVERIFIED |
| SFSentinela Folding Gate | Los Angeles | CA | — | ◇ UNVERIFIED |
| SFSentinel Fence, LLC | Lumberton | NC | — | ◇ UNVERIFIED |
| SWSentry Welding | Barstow | CA | — | ◇ UNVERIFIED |
| SPSerbin Precision Machining LLC | Saint Peters | MO | — | ◇ UNVERIFIED |
| SDSerenity Designs | Marshfield | WI | — | ◇ UNVERIFIED |
| SMSerley Manufacturing Company INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| SISerrano Industries | El Paso | TX | — | ◇ UNVERIFIED |
| SWServall Welding And Fabrication Inc | Greenville | NC | — | ◇ UNVERIFIED |
| SGService Grinding & Sharpening INC | Blaine | MN | — | ◇ UNVERIFIED |
| SPService Partners Gutter Supply LLC | Jackson | TN | — | ◇ UNVERIFIED |
| SSService Steel Aerospace | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| SPServitech Precision Machining Corporation | Baldwin Park | CA | — | ◇ UNVERIFIED |
| SWSetzers Welding and Manufacturing | Beatrice | NE | — | ◇ UNVERIFIED |
| SPSeven Peaks, LLC & Bratek Engineering & Manufacturing, Inc. | Denver | CO | — | ◇ UNVERIFIED |
| SMSewell Machine Shop | Dallas | GA | — | ◇ UNVERIFIED |
| SESeychelle Environmental Technologies | San Juan Capistrano | CA | — | ◇ UNVERIFIED |
| SESGH Enterprises, Inc. | Maple Grove | MN | — | ◇ UNVERIFIED |
| SPSGH Properties LLC | Rogers | MN | — | ◇ UNVERIFIED |
| SBSgjb Business Holdings INC Dba Progressive Enginee | Lino Lakes | MN | — | ◇ UNVERIFIED |
| SASGSM Auto Care Corp | Fort Worth | TX | — | ◇ UNVERIFIED |
| SSSg Steel Services CO. | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| SEShackelford Equipment Company | Plainview | TX | — | ◇ UNVERIFIED |
| SMShackelford Machine INC | Clearwater | KS | — | ◇ UNVERIFIED |
| SVShady Vent Aluminum Products INC. | Atlanta | GA | — | ◇ UNVERIFIED |
| SMShaffer Manufacturing | Urbana | OH | — | ◇ UNVERIFIED |
| SCShaklee CORP | Pleasanton | CA | — | ◇ UNVERIFIED |
| SIShanker Industries | Deer Park | NY | — | ◇ UNVERIFIED |
| SGShannon Gates INC | Deer Park | NY | — | ◇ UNVERIFIED |
| SVShared Vision LLC | Warren | MI | — | ◇ UNVERIFIED |
| SESharp Erectors LLC | Wentzville | MO | — | ◇ UNVERIFIED |
| SGSharp Grinding CO INC | West Springfield | MA | — | ◇ UNVERIFIED |
| SSSharp Steel Rule Die INC. | Emmaus | PA | — | ◇ UNVERIFIED |
| SPShattuck Precision Machining CO INC | Westford | MA | — | ◇ UNVERIFIED |
| SAShaw Alloy Piping Products, LLC | Houma | LA | — | ◇ UNVERIFIED |
| SCShaw Custom Metal Fabrication LLC | Bluffton | SC | — | ◇ UNVERIFIED |
| SWShawn Wallace Dba United Maintenance & Fabrication | Memphis | TN | — | ◇ UNVERIFIED |
| STShearer Tanks, LLC | Arco | ID | — | ◇ UNVERIFIED |
| SMShed Metalworks, LLC | Cunningham | KY | — | ◇ UNVERIFIED |
| SMSheelers Machine Shop | Branson | MO | — | ◇ UNVERIFIED |
| SMSheet Metal Designs | Jamesport | MO | — | ◇ UNVERIFIED |
| SMSheet Metal Engineers, INC. | Martinez | GA | — | ◇ UNVERIFIED |
| SMSheet Metal Forms L.l.c. | Glendale | AZ | — | ◇ UNVERIFIED |
 Sheet Metal Solutions INC | Tangent | OR | — | ◇ UNVERIFIED |
| Sheet Metal Solutions INC | Tangent | OR | — | ◇ UNVERIFIED |
| SMSheet Metal Specialist of Edmond, LLC | Edmond | OK | — | ◇ UNVERIFIED |
| SMSheet Metal Specialties Inc | Bismarck | ND | — | ◇ UNVERIFIED |
| SMSheet Metal Systems, INC | Pinellas Park | FL | — | ◇ UNVERIFIED |
