| RPRiker Products | Toledo | OH | Fabricated Metal Product Manufacturing332996 | 100-499 | ◐ LIKELY ACTIVE |
| RBRobert Bosch Tool Corporation | Lincolnton | NC | Nonmetallic Mineral Product Manufacturing327910 | 100-499 | ◐ LIKELY ACTIVE |
| RSRockford Spring CO | Rockford | IL | Fabricated Metal Product Manufacturing332613 | 20-99 | ◐ LIKELY ACTIVE |
| RMRocky Mountain Hardware Hailey | Hailey | ID | Fabricated Metal Product Manufacturing332510 | 20-99 | ◐ LIKELY ACTIVE |
| RCRollex CORP | Elk Grove Village | IL | Primary Metal Manufacturing331524 | 100-499 | ◐ LIKELY ACTIVE |
| RPRovanco Piping System Inc-treatment Plant | Joliet | IL | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| RLRoyston L L C | Jasper | GA | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| RARti Advanced Forming INC | Washington | MO | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| SLSaferack LLC | Andrews | SC | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| SBSan Bernardino Steel | San Bernardino | CA | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| SGSchaeffler Group USA INC - Plants Iii & Vi | Fort Mill | SC | Fabricated Metal Product Manufacturing332911 | 20-99 | ◐ LIKELY ACTIVE |
| SGSchaffer Grinding CO | Montebello | CA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| STSchlumberger Technology | Houston | TX | Fabricated Metal Product Manufacturing332996 | 100-499 | ◐ LIKELY ACTIVE |
| SMScott Manufacturing | Wolfforth | TX | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| S1Seabee - 1st St - Hampton Hydraulics | Hampton | IA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| SGSeattle Galvanizing CO INC Arlington | Arlington | WA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| SFSeneca Foods CORP | Baraboo | WI | Fabricated Metal Product Manufacturing332430 | 100-499 | ◐ LIKELY ACTIVE |
| SOSfi of Tennessee | Memphis | TN | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| SPShannon Precision Fastener LLC | Auburn Hills | MI | Fabricated Metal Product Manufacturing332111 | 20-99 | ◐ LIKELY ACTIVE |
| SCSharon Coating | Sharon | PA | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| SPSharretts Plating CO INC | Emigsville | PA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| SAShaw Alloy Piping Products INC | Shreveport | LA | Fabricated Metal Product Manufacturing332996 | 100-499 | ◐ LIKELY ACTIVE |
| SEShaw El Dorado, LLC | El Dorado | AR | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |
| SSSig Sauer, INC. | Jacksonville | AR | Fabricated Metal Product Manufacturing332992 | — | ◐ LIKELY ACTIVE |
| SCSilgan Containers Manufacturing CORP | Edison | NJ | Fabricated Metal Product Manufacturing332431 | 100-499 | ◐ LIKELY ACTIVE |
| SCSilvestri California | Los Angeles | CA | Fabricated Metal Product Manufacturing332618 | 20-99 | ◐ LIKELY ACTIVE |
| SLSintermet LLC | Kittanning | PA | Fabricated Metal Product Manufacturing332117 | 20-99 | ◐ LIKELY ACTIVE |
| SWSmith & Wesson INC | Springfield | MA | Leather and Allied Product Manufacturing316999 | 500+ | ◐ LIKELY ACTIVE |
| SPSnap-on Power Tools INC. | Murphy | NC | Fabricated Metal Product Manufacturing332212 | 100-499 | ◐ LIKELY ACTIVE |
| SASoleras Advanced Coatings | Biddeford | ME | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| SMSonoco Metal Packaging LLC | Milwaukee | WI | Fabricated Metal Product Manufacturing332430 | 100-499 | ◐ LIKELY ACTIVE |
| SMSonoco Metal Packaging, LLC - Warner Road (1576051610) | Canton | OH | Fabricated Metal Product Manufacturing332431 | 100-499 | ◐ LIKELY ACTIVE |
| SMSouthern Machine & Fabrication CO | Cartersville | GA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| SSSpartan Steel Coating | Monroe | MI | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| SRSpecialty Ring Products INC | Bensalem | PA | Fabricated Metal Product Manufacturing332111 | 20-99 | ◐ LIKELY ACTIVE |
| SFSpirit Fabs INC | Wrightstown | WI | Fabricated Metal Product Manufacturing332310 | 20-99 | ◐ LIKELY ACTIVE |
| SISpokane Industries | Spokane | WA | Beverage and Tobacco Product Manufacturing312111 | 1-19 | ◐ LIKELY ACTIVE |
| SSS & S Steel Fabrication | Hurricane | UT | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| SFStainless Fabrication, INC. | Springfield | MO | Fabricated Metal Product Manufacturing332313 | 100-499 | ◐ LIKELY ACTIVE |
| SCSteel Craft CORP | Hartford | WI | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| SKSteel King Industries INC | Stevens Point | WI | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| SSteelscape | Rancho Cucamonga | CA | Fabricated Metal Product Manufacturing332812 | 100-499 | ◐ LIKELY ACTIVE |
| SMStephens Machine Incorporated | Kokomo | IN | Fabricated Metal Product Manufacturing332312 | 1-19 | ◐ LIKELY ACTIVE |
| SCSteris Corporation | Montgomery | AL | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| SMSterling Machinery CO | Mena | AR | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| SSSterling Sintered Technologies INC | Winsted | CT | Fabricated Metal Product Manufacturing332117 | 20-99 | ◐ LIKELY ACTIVE |
Stever Locke, INC | Honeoye Falls | NY | Fabricated Metal Product Manufacturing332119 | — | ◐ LIKELY ACTIVE |
| SEStewart Efi Ct LLC | Thomaston | CT | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| SMS&t Manufacturing | Tulsa | OK | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| SLStueken LLC | Fountain Inn | SC | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |