| RPRid-lom Precision Mfg. CORP. | Rochester | NY | — | ◇ UNVERIFIED |
| RIR & I Enterprises, INC. | Brownsville | TX | — | ◇ UNVERIFIED |
| RJR. J. Zeman Tool & Mfg. Co., INC. | Waukesha | WI | — | ◇ UNVERIFIED |
| RCR.k. Cylindrical Grinding INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| RTRml Tool and Die Company | Cleveland | OH | — | ◇ UNVERIFIED |
| RTRobbins Tools Die & Mfg CO INC | Henderson | TN | — | ◇ UNVERIFIED |
| RPRodak Plastics CO. INC. | Hayward | CA | — | ◇ UNVERIFIED |
| RPRoebuck Precision Machine, INC | Goldsboro | NC | — | ◇ UNVERIFIED |
| RSRolled Shapes & Engineering INC | Fraser | MI | — | ◇ UNVERIFIED |
| RMRomatic Manufacturing Company | Southbury | CT | — | ◇ UNVERIFIED |
| RSRosey Steel Rule Die Co., INC. | Dalton | GA | — | ◇ UNVERIFIED |
| RCRoto-die Company INC | Anaheim | CA | — | ◇ UNVERIFIED |
| RMRoyal Maple Metal Sales LLC | Mc Bain | MI | — | ◇ UNVERIFIED |
| RRR & R Tool & Die Company | Villa Ridge | MO | — | ◇ UNVERIFIED |
| RSRte St. Charles, INC. | Saint Charles | IL | — | ◇ UNVERIFIED |
| RDRule Designs INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| RTRural Tool & Die, INC. | Dodd City | TX | — | ◇ UNVERIFIED |
| S9Saltscepter 9 LLC | Hampshire | IL | — | ◇ UNVERIFIED |
| SPSalvador Pitones | Covina | CA | — | ◇ UNVERIFIED |
| SHSandvik Hyperion | Brooklyn Center | MN | — | ◇ UNVERIFIED |
| SCSanmina CORP | San Jose | CA | — | ◇ UNVERIFIED |
| SPSantos Precision INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| SISarcol INC | Chicago | IL | — | ◇ UNVERIFIED |
| SISat Industries, INC. | Schertz | TX | — | ◇ UNVERIFIED |
| SMSatterfield Manufacturing Solutions LLC | La Porte | IN | — | ◇ UNVERIFIED |
| SSSb Specialty Metals LLC | Meadville | PA | — | ◇ UNVERIFIED |
| SVSchroeger Ventures, INC | Kansas City | MO | — | ◇ UNVERIFIED |
| SCS & C Tool & Manufacturing, INC. | Livonia | MI | — | ◇ UNVERIFIED |
| SPSeabrook Plastics INC | Norton Shores | MI | — | ◇ UNVERIFIED |
| SPSeaway Pattern Manufacturing, Inc | Toledo | OH | — | ◇ UNVERIFIED |
| SCShape Corporation | Spring Lake | MI | — | ◇ UNVERIFIED |
| SMSharp Machine INC | Cannon Falls | MN | — | ◇ UNVERIFIED |
| SIShelby Industries | Shelbyville | KY | — | ◇ UNVERIFIED |
| STSiem Tool Company | Latrobe | PA | — | ◇ UNVERIFIED |
| SMSierra - Manufacturing Corporation | Addison | IL | — | ◇ UNVERIFIED |
| STSierra Tool & Die INC | Tuolumne | CA | — | ◇ UNVERIFIED |
| STSigg Tool & Machine Products | Levittown | PA | — | ◇ UNVERIFIED |
| SCSilgan Containers Mfg CORP | Oconomowoc | WI | — | ◇ UNVERIFIED |
| SCSilgan Containers Mfg CORP | Plover | WI | — | ◇ UNVERIFIED |
| SWSilgan White Cap/hazleton Plt | Hazleton | PA | — | ◇ UNVERIFIED |
| SMSilver Maple LLC | Hillman | MI | — | ◇ UNVERIFIED |
| STSirois Tool Company, INC. | Berlin | CT | — | ◇ UNVERIFIED |
| SESk Engineering | Long Beach | CA | — | ◇ UNVERIFIED |
| SASlidematic Acquisition, LLC Dba Slidematic Products | Chicago | IL | — | ◇ UNVERIFIED |
| SMS & M Machining Company | Wixom | MI | — | ◇ UNVERIFIED |
| SPSonoco - Phoenix | Memphis | TN | — | ◇ UNVERIFIED |
 Sonoco Products Company | Henderson | KY | — | ◇ UNVERIFIED |
| STSoutheastern Tool Co., INC. | Aiken | SC | — | ◇ UNVERIFIED |
| SMSouthern Metalcraft, INC | Lithonia | GA | — | ◇ UNVERIFIED |
| SESpantek Expanded Metal INC | Hopkins | MN | — | ◇ UNVERIFIED |
