| RERite Engineering & Manufacturing CORP | Commerce | CA | — | ◇ UNVERIFIED |
| RPRite-hite Products Corporation | Memphis | TN | — | ◇ UNVERIFIED |
| RCRiver City Metal Fabrication, LLC | Baton Rouge | LA | — | ◇ UNVERIFIED |
| RKR K Fabrication | Anaheim | CA | — | ◇ UNVERIFIED |
| RWRLC Welding & Fabrication, LLC | Louisville | KY | — | ◇ UNVERIFIED |
| RVR&n Ventures, INC | Houston | TX | — | ◇ UNVERIFIED |
| RFRobertson Fabrication, INC | Greenwood | MS | — | ◇ UNVERIFIED |
| RTRocore Thermal Systems LLC | Burkesville | KY | — | ◇ UNVERIFIED |
| RARotary Airlock LLC | Rock Falls | IL | — | ◇ UNVERIFIED |
| RMRoura Material Handling INC | Holly Springs | MS | — | ◇ UNVERIFIED |
 Roy E Hanson Jr Mfg CO | Los Angeles | CA | — | ◇ UNVERIFIED |
| RPRudco Products INC. | Vineland | NJ | — | ◇ UNVERIFIED |
| RMRyan Manufacturing, INC. | East Palatka | FL | — | ◇ UNVERIFIED |
| SPSamuel Plate Processing Johnstown LLC | Johnstown | PA | — | ◇ UNVERIFIED |
| SLSan Luis Garbage | San Luis Obispo | CA | — | ◇ UNVERIFIED |
| SBS Bravo Systems INC | Commerce | CA | — | ◇ UNVERIFIED |
| SISeestra, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| SESellers Engineering Company | Danville | KY | — | ◇ UNVERIFIED |
| SPSen-dure Products INC | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| SWServall Welding And Fabrication Inc | Greenville | NC | — | ◇ UNVERIFIED |
| SWService Welding and Machine | Louisville | KY | — | ◇ UNVERIFIED |
| SASfc Adams INC. | Buffalo | NY | — | ◇ UNVERIFIED |
| SPSheet Pile LLC | Holderness | NH | — | ◇ UNVERIFIED |
| SSShelby Steel Vincent Incorporated | Vincent | AL | — | ◇ UNVERIFIED |
| SPSoutheastern Plateworks | Birmingham | AL | — | ◇ UNVERIFIED |
| SBSouthern Boiler & Tank Works, Incorporat | Memphis | TN | — | ◇ UNVERIFIED |
| SESouthern Erectors INC | Pensacola | FL | — | ◇ UNVERIFIED |
| SMSouthern Machinery CORP | Lakeland | FL | — | ◇ UNVERIFIED |
| SGSouth Gate Engineering LLC | Chino | CA | — | ◇ UNVERIFIED |
| SSSouthwestern Supply & Machine Works* | Saint Joseph | MO | — | ◇ UNVERIFIED |
| SSpincraft | Billerica | MA | — | ◇ UNVERIFIED |
| SLSpire, LLC | Troy | VA | — | ◇ UNVERIFIED |
| SWSsab Wear Solutions LLC | Birmingham | AL | — | ◇ UNVERIFIED |
| SFStainless Fabricators, INC. | Belle Chasse | LA | — | ◇ UNVERIFIED |
| SMStar Manufacturing,llc | Orange | CA | — | ◇ UNVERIFIED |
| SFState Fabricators | Livonia | MI | — | ◇ UNVERIFIED |
| SFState Fabricators, INC. | Farmingtn Hls | MI | — | ◇ UNVERIFIED |
| SISteelworks INC | Trenton | MI | — | ◇ UNVERIFIED |
| SMSteffes Metal Products, LLC - Grand Forks West | Grand Forks | ND | — | ◇ UNVERIFIED |
| SMStellar Mold & Tool, INC. | Galesville | WI | — | ◇ UNVERIFIED |
| SWStevens Welding and Fabrication LLC | Eveleth | MN | — | ◇ UNVERIFIED |
| SZSteve Zappetini & Son INC | San Rafael | CA | — | ◇ UNVERIFIED |
| SLSt Lucie County International Airport | Fort Pierce | FL | — | ◇ UNVERIFIED |
| SRStoney Ridge Fabricators | Palmerton | PA | — | ◇ UNVERIFIED |
| SWStruthers Wells Corp/warren | Warren | PA | — | ◇ UNVERIFIED |
| SBStupp Bros INC | Richardsville | KY | — | ◇ UNVERIFIED |
| SBStyle By Design Properties, LLC | Beckley | WV | — | ◇ UNVERIFIED |
| SSSudden Services Inc, Distribution and Operations Center | Philadelphia | MS | — | ◇ UNVERIFIED |
| SSSulphur Sheet Metal & Fabrication, INC. | Sulphur | LA | — | ◇ UNVERIFIED |
| SFSunbelt Fabricator | Steele | AL | — | ◇ UNVERIFIED |
