| RSRoane Steel Corporation | Rockwood | TN | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| RMRocky Mountain Metals INC | Raton | NM | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| RMRocky Mountain Orthodontic, INC. | Denver | CO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| RIRohn Industries INC | Bessemer | AL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| RSRossin Steel INC | San Diego | CA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| RIRoura Iron Works INC | Holly Springs | MS | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| RSRule Steel | Caldwell | ID | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| RHRwe Holding CO | New Castle | PA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
 Schuff Steel - Atlantic, INC. | Orlando | FL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SSeatech | Belle Chasse | LA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SISemco Incorporated Chillicothe | Chillicothe | MO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SMSeminole Machine & Welding, INC. | Largo | FL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SFSenior Flexonics Pathway | Lewiston | ME | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SMSentry Metal Blast INC | Niagara Falls | NY | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SIService Iron Works-s Lyon | South Lyon | MI | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SAShaw App Tubeline | New Brunswick | NJ | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SPShaw Process Fabricators | West Monroe | LA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SSShaw Sss Fabricators | Addis | LA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SSShelby Steel LLC | Pell City | AL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SSShelco Steel Works INC | South Holland | IL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| STSheyenne Tooling & Mfg CO | Cooperstown | ND | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SSShoreline Steel South | Paducah | KY | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SASiag Aerisyn LLC | Chattanooga | TN | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SLSic Lazaro US INC | Milwaukee | WI | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SCSix C Fabrication INC | Winnfield | LA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SSmf | Minonk | IL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SJSmi Joist Sc | Eastover | SC | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SSSmi Steel Fabricators, INC. Dba Cmc Rebar-orlando | Kissimmee | FL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SISoelzer, INC Dba Firestone Fabricators | Signal Hill | CA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SASousa and Demayo INC | North Attleboro | MA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SFSoutheast Fabricators, INC. | Cottondale | AL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SMSouthern Metals Company of Mississippi INC | Laurel | MS | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| SSSouthern Steel Comapny Limited Liability Company | Charlotte | NC | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SSSouthern Structural Steel Incorporated | Smithfield | VA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SSSouthern Structural Steel of Fl, INC | St Petersburg | FL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SSSouth Sligo Compressor Station | Sligo | LA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SVSouth Valley Mfg | Springfield | MO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SHSouthwestern Hollow Metal | Raton | NM | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SSSouthwest Stair INC | El Mirage | AZ | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SPSpecial Products Energy | Canton | MA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SMSpecialties Mfg Co-brecon Ind Pk | Talladega | AL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SMSpecialty Manufacturing | Amesbury | MA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SSS & S Metal Fabricators | Chamois | MO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SSStandard Steel Fabricating CO INC | Seattle | WA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SFSteel Fabricators INC. | Lincoln | NE | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SFSteel Fabricators, INC. | Fort Collins | CO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SFSteel Fabricators L.l.c. | Fort Lauderdale | FL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SPSteel Painters INC | Kelso | WA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| STSteel Technologies CORP | Jersey City | NJ | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SPSteeltec Products | Cleveland | OH | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
