| PFPrototype Fabricators Co. | Cleveland | OH | — | ◇ UNVERIFIED |
| QAQuailty Automotive | Westminster | CA | — | ◇ UNVERIFIED |
 Quality Aluminum Forge INC | Long Beach | CA | — | ◇ UNVERIFIED |
| QEQuality Engineered Steels, LLC Dba Wv Cold Drawn | Point Pleasant | WV | — | ◇ UNVERIFIED |
 Quality Metal Works | Plant City | FL | — | ◇ UNVERIFIED |
| RGRaiden Group Site Development | Atwood | KS | — | ◇ UNVERIFIED |
| RSRegional Steel CORP | Fontana | CA | — | ◇ UNVERIFIED |
| RTReliable Temps, INC. | Palmer | MA | — | ◇ UNVERIFIED |
| RWReliable Welding, INC. | Tampa | FL | — | ◇ UNVERIFIED |
| RERepublic Engineered Products, LLC - Gary Dunes Plant | Gary | IN | — | ◇ UNVERIFIED |
| RERepublic Engineered Steel, INC | Naperville | IL | — | ◇ UNVERIFIED |
| RTRepublic Technologies International LLC | Harvey | IL | — | ◇ UNVERIFIED |
| RCRidgeline Capital Holding Corp. | Waltham | MA | — | ◇ UNVERIFIED |
| RMRoler Machine Shop Incorporated | Brownsville | TX | — | ◇ UNVERIFIED |
| RFRoll Former Corporation | Chalfont | PA | — | ◇ UNVERIFIED |
| RTRolling, Tank and Fabrication Inc | Eighty Four | PA | — | ◇ UNVERIFIED |
| RIRyerson INC. | Eldridge | IA | — | ◇ UNVERIFIED |
| SSSamuel Steel Pickling CO * | Cleveland | OH | — | ◇ UNVERIFIED |
| SHSamuel-whittar Holdings INC | Troy | MI | — | ◇ UNVERIFIED |
| SRSa Recycling LLC | Missouri | MO | — | ◇ UNVERIFIED |
| SBSbc Building Systems, LLC. | Ambridge | PA | — | ◇ UNVERIFIED |
| SESet Enterprises INC | New Boston | MI | — | ◇ UNVERIFIED |
| SWSeverstal Wheeling/allenport | Allenport | PA | — | ◇ UNVERIFIED |
| SFSherwood Friction Materials | Detroit | MI | — | ◇ UNVERIFIED |
| SSShoreline Steel Supply INC | New Haven | MI | — | ◇ UNVERIFIED |
| SASierra Alloys Company | Azusa | CA | — | ◇ UNVERIFIED |
| SWSkipper Wright INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| SSSolid Steel Sales, INC. | Acworth | GA | — | ◇ UNVERIFIED |
| SMSquires Metal Fabrication INC. | Tyler | TX | — | ◇ UNVERIFIED |
| SMSsab Minnesota INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| SDStainless Designs Inc.cn | Fort Collins | CO | — | ◇ UNVERIFIED |
| SSStainless Steel Concepts | Amarillo | TX | — | ◇ UNVERIFIED |
| SSStainless Steel Fabrications | West Milford | NJ | — | ◇ UNVERIFIED |
| STStandard Tool and Manufacturing | Grain Valley | MO | — | ◇ UNVERIFIED |
| STStandard Tube Sales CORP of Ne | Perth Amboy | NJ | — | ◇ UNVERIFIED |
| SEStatoil - Eisenbarth Pad | Clarington | OH | — | ◇ UNVERIFIED |
| SISteelcase INC | Athens | AL | — | ◇ UNVERIFIED |
| SCSteel Ceilings INC | Johnstown | OH | — | ◇ UNVERIFIED |
| SUSteelco U.S.A; Great Pacific Elbow Company; Deluxe Building Products | Chino | CA | — | ◇ UNVERIFIED |
| SCSteel Craft Rolling Door | New York | NY | — | ◇ UNVERIFIED |
| SFSteel Fab | Lebanon | VA | — | ◇ UNVERIFIED |
| SMSteel Mill Components INC | Warren | MI | — | ◇ UNVERIFIED |
| SSSteel Services, INC. | Weirton | WV | — | ◇ UNVERIFIED |
| SSSteel Surplus, INC. | Houston | TX | — | ◇ UNVERIFIED |
| STSteel Technologies LLC | Greensburg | IN | — | ◇ UNVERIFIED |
| STSteel Technologies LLC | Blytheville | AR | — | ◇ UNVERIFIED |
| STSteel Technologies LLC | Murfreesboro | TN | — | ◇ UNVERIFIED |
| SVSteel Ventures | North Kansas City | MO | — | ◇ UNVERIFIED |
| SVSteel Ventures, LLC | North Kansas City | MO | — | ◇ UNVERIFIED |
| SWSteel Warehouse CO LLC | South Bend | IN | — | ◇ UNVERIFIED |
