| SESteel Erectors, INC. | Savannah | GA | — | ◇ UNVERIFIED |
| SISteeler INC | Seattle | WA | — | ◇ UNVERIFIED |
 Steele Solutions INC | Franklin | WI | — | ◇ UNVERIFIED |
| Steele Solutions INC | Milwaukee | WI | — | ◇ UNVERIFIED |
 Steel Fab Enterprises Inc/pequea | Lancaster | PA | — | ◇ UNVERIFIED |
| SFSteel Fab INC | Jackson | TN | — | ◇ UNVERIFIED |
 Steelfab, INC. | Rock Hill | SC | — | ◇ UNVERIFIED |
| Steelfab, INC. | Dublin | GA | — | ◇ UNVERIFIED |
| Steelfab, INC. | Charlotte | NC | — | ◇ UNVERIFIED |
| Steelfab Inc., Alabama | Roanoke | AL | — | ◇ UNVERIFIED |
| SFSteel Fabricators, INC. | Fort Collins | CO | — | ◇ UNVERIFIED |
| SFSteel Fabricators L.l.c. | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| SGSteel Girder LLC | Coolidge | AZ | — | ◇ UNVERIFIED |
 Steelhead Metal & Fab LLC | Salem | OR | — | ◇ UNVERIFIED |
| SKSteel King Industries, INC. | Aurora | IL | — | ◇ UNVERIFIED |
| SNSteel Nutz, Inc. | Murrieta | CA | — | ◇ UNVERIFIED |
| SPSteel Painters INC | Kelso | WA | — | ◇ UNVERIFIED |
| SPSteel Products Company | Leicester | MA | — | ◇ UNVERIFIED |
| SPSteel Products INC. | Los Angeles | CA | — | ◇ UNVERIFIED |
| SSSteel Services Storage Building | Indianapolis | IN | — | ◇ UNVERIFIED |
| SSSteel Specialties LLC | Point Pleasant | WV | — | ◇ UNVERIFIED |
| SSSteel Specialty Company of Belmont, INC. | Belmont | NC | — | ◇ UNVERIFIED |
| SSSteel Structures America, INC | Berthoud | CO | — | ◇ UNVERIFIED |
| SSSteel Structures of Ohio, LLC (1677010316) | Akron | OH | — | ◇ UNVERIFIED |
| STSteel Tech Division | Piscataway | NJ | — | ◇ UNVERIFIED |
| STSteel Tech Enterprises INC | Woodburn | OR | — | ◇ UNVERIFIED |
| STSteel Tech Partners LLC | Mitchell | IN | — | ◇ UNVERIFIED |
| SVSteel Ventures INC | Wurtland | KY | — | ◇ UNVERIFIED |
| SISteelway International, L.l.c. | Terrell | TX | — | ◇ UNVERIFIED |
| SISteelway International, LLC | Terrell | TX | — | ◇ UNVERIFIED |
| SISteelwind Industries, Inc | Oak Creek | WI | — | ◇ UNVERIFIED |
| SESteelworks Etc, INC | Oxnard | CA | — | ◇ UNVERIFIED |
| SFSteelworx Fabrication | Northridge | CA | — | ◇ UNVERIFIED |
| SUStellana U.s., INC. | Lake Geneva | WI | — | ◇ UNVERIFIED |
| SIStemel Investments, LLC | Russells Point | OH | — | ◇ UNVERIFIED |
| SSStephen Sera Studio | Richmond | CA | — | ◇ UNVERIFIED |
| SMStephens Metal Products | Yakima | WA | — | ◇ UNVERIFIED |
| SOStephens Ornamental Iron | Marietta | GA | — | ◇ UNVERIFIED |
 Stephens Pipe & Steel, LLC. | Winder | GA | — | ◇ UNVERIFIED |
| SASterling Atm INC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| SPSterling Products CORP. | Passaic | NJ | — | ◇ UNVERIFIED |
| SAStern Assembly INC | Brainerd | MN | — | ◇ UNVERIFIED |
| SAStern Assembly INC | East Gull Lake | MN | — | ◇ UNVERIFIED |
| SAStern Assembly INC Dba Stern Rotomolding | Brainerd | MN | — | ◇ UNVERIFIED |
| SBStetson Building Products, LLC. | Eldridge | IA | — | ◇ UNVERIFIED |
| SJSteve Johnson Companies | Wichita | KS | — | ◇ UNVERIFIED |
| SPSteven Plastics, INC. | Hoffman Estates | IL | — | ◇ UNVERIFIED |
| SSStevens Sheetmetal & Ironworks, INC. | Pearl | MS | — | ◇ UNVERIFIED |
 Steward Machine CO. INC Plant 2 | Birmingham | AL | — | ◇ UNVERIFIED |
| SIStewart Industrial | Tell City | IN | — | ◇ UNVERIFIED |
| SCStewart/walker Company | Tracy | CA | — | ◇ UNVERIFIED |
| SFSt Fabrication | Orting | WA | — | ◇ UNVERIFIED |
| S1Still 18 #1 Production Facility | Pleasant Hill | LA | — | ◇ UNVERIFIED |
| SLStl3dp LLC | Saint Louis | MO | — | ◇ UNVERIFIED |
| SIStm INC | Augusta | KS | — | ◇ UNVERIFIED |
| SGSTMP Group, LLC | Caro | MI | — | ◇ UNVERIFIED |
| SBStockade Buildings | Oran | MO | — | ◇ UNVERIFIED |
| SRStockhouse Realty LLC | Bozrah | CT | — | ◇ UNVERIFIED |
| SIStoesser Industries INC Dba Smc LTD | Santa Rosa | CA | — | ◇ UNVERIFIED |
| SCStolle CORP | Drew | MS | — | ◇ UNVERIFIED |
| SMStoll Metalcraft INC | Valencia | CA | — | ◇ UNVERIFIED |
| SFStone Flower LLC | Denham Springs | LA | — | ◇ UNVERIFIED |
| SBStonehouse Building Products LLC | Florence | KY | — | ◇ UNVERIFIED |
| SPStone Products of St Cloud INC | Sauk Rapids | MN | — | ◇ UNVERIFIED |
| SRStones River Steel | Miboro | TN | — | ◇ UNVERIFIED |
| SStoneycreek | Blairstown | IA | — | ◇ UNVERIFIED |
| SPStor-Mor Portable Buildings of Douglas | Douglas | GA | — | ◇ UNVERIFIED |
| SPStor-Mor Portable Buildings of Georgia, LLC | Douglas | GA | — | ◇ UNVERIFIED |
| SPStorm Products CO | Broomfield | CO | — | ◇ UNVERIFIED |
| SPSt. Paul Corrugating CO. | Minneapolis | MN | — | ◇ UNVERIFIED |
| SAStrand Art | Anaheim | CA | — | ◇ UNVERIFIED |
| SMStrand Manufacturing Company INC | Hopkins | MN | — | ◇ UNVERIFIED |
| SDStratasys Direct INC | Valencia | CA | — | ◇ UNVERIFIED |
| SIStrategic Industries, INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| SPStrategy Plastics, LLC | Williamston | SC | — | ◇ UNVERIFIED |
| SSStratford Steel, LLC | Stratford | CT | — | ◇ UNVERIFIED |
| SLStrawfish, LLC | Boca Raton | FL | — | ◇ UNVERIFIED |
| SIStreetscape INC | Huntington Beach | CA | — | ◇ UNVERIFIED |
| SSStreimer Sheet Metal Works INC | Corvallis | OR | — | ◇ UNVERIFIED |
| SSStreimer Sheet Metal Works INC | Portland | OR | — | ◇ UNVERIFIED |
| SSStressed Skin Design, INC. | Grand Junction | CO | — | ◇ UNVERIFIED |
| SCStrick Corporation | Abbeville | SC | — | ◇ UNVERIFIED |
| STStrike Tool INC | Cannon Falls | MN | — | ◇ UNVERIFIED |
| SIStronggo Industries LLC | Tucson | AZ | — | ◇ UNVERIFIED |
 Strong Structural Steel, LTD | Pharr | TX | — | ◇ UNVERIFIED |
| SStrongwell | San Jose | CA | — | ◇ UNVERIFIED |
| STStroud's Texas Sheetmetal, LLC | Lubbock | 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 |
| SCStructural Components INC | Yakima | WA | — | ◇ UNVERIFIED |
| SMStructural Modulars, INC. | Strattanville | PA | — | ◇ UNVERIFIED |
 Structural Plastics CORP | Holly | MI | — | ◇ 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 |
