| SASukup Arkansas Distribution Center | Jonesboro | AR | 1–19 | ◐ LIKELY ACTIVE |
| SCSukup Clear Lake Manufacturing | Clear Lake | IA | 20–99 | ◐ LIKELY ACTIVE |
| SHSukup Hampton 11 Manufacturing Facility | Hampton | IA | 1–19 | ◐ LIKELY ACTIVE |
| SHSukup Hampton 12 Manufacturing Facility | Hampton | IA | 20–99 | ◐ LIKELY ACTIVE |
| SISukup Illinois Distribution Center | Arcola | IL | 1–19 | ◐ LIKELY ACTIVE |
| SMSukup Manly Steel Coil Facility | Manly | IA | 1–19 | ◐ LIKELY ACTIVE |
| SMSukup Missouri Distribution Center | Cameron | MO | 1–19 | ◐ LIKELY ACTIVE |
| SNSukup Nebraska Distribution Center | York | NE | 1–19 | ◐ LIKELY ACTIVE |
| SOSukup Ohio Distribution Center | Defiance | OH | 1–19 | ◐ LIKELY ACTIVE |
| SSSukup Sheffield Manufacturing Facility | Sheffield | IA | 500+ | ◐ LIKELY ACTIVE |
| SSSukup South Dakota Distribution Center | Watertown | SD | 1–19 | ◐ LIKELY ACTIVE |
| SWSukup West Des Moines Satellite Office | West Des Moines | IA | 1–19 | ◐ LIKELY ACTIVE |
| SISummit Industry Partners, LLC | Englewood | CO | — | ◐ LIKELY ACTIVE |
| SMSummit Machine Company, INC. | Alverton | PA | — | ◐ LIKELY ACTIVE |
| SMSummit Mfg. Corp. | Gaylord | MI | 20–99 | ◐ LIKELY ACTIVE |
| SSSummit Sales & Equipment, INC | Wooster | OH | 1–19 | ◐ LIKELY ACTIVE |
| SPSun-air Products Inc | Belmont | MS | 20–99 | ◐ LIKELY ACTIVE |
| SFSun Fast International LLC (Brea) | Brea | CA | 1–19 | ◐ LIKELY ACTIVE |
| SFSun Fast International LLC (Indiana) | New Albany | IN | 1–19 | ◐ LIKELY ACTIVE |
| SFSun Fast International LLC (Temecula) | Temecula | CA | 1–19 | ◐ LIKELY ACTIVE |
| SGSUNKIST GROWERS INC - Lindsay - RTS | Lindsay | CA | 1–19 | ◐ LIKELY ACTIVE |
| SGSUNKIST GROWERS INC - Rancho Cucamonga - RTS | Rancho Cucamonga | CA | 1–19 | ◐ LIKELY ACTIVE |
| SPSunnen Products CO | Saint Louis | MO | — | ◐ LIKELY ACTIVE |
| SNSun Nuclear CORP. | Middleton | WI | — | ◐ LIKELY ACTIVE |
| SPSun Prairie Operations | Sun Prairie | WI | 100–499 | ◐ LIKELY ACTIVE |
| SSunset | Brookshire | TX | 100–499 | ◐ LIKELY ACTIVE |
| SSSunspot Solutions LLC | Lyons | IN | — | ◐ LIKELY ACTIVE |
| SVSun Valley Hay Inc | Brawley | CA | 20–99 | ◐ LIKELY ACTIVE |
| SLSupera, LLC | Estacada | OR | — | ◐ LIKELY ACTIVE |
| SISuperion Inc | Xeina | OH | 1–19 | ◐ LIKELY ACTIVE |
| SCSuperior Controls INC | Plymouth | MI | — | ◐ LIKELY ACTIVE |
| SFSuperior Fruit Equipment | East Wenatchee | WA | 20–99 | ◐ LIKELY ACTIVE |
| SGSuperior Gearbox Company | Waterville | MN | 1–19 | ◐ LIKELY ACTIVE |
| SGSuperior Gearbox Company - Kearney | Kearney | NE | 1–19 | ◐ LIKELY ACTIVE |
| SISuperior Industries ( 102 ) Equipment | Morris | MN | 100–499 | ◐ LIKELY ACTIVE |
| SLSuperior Lighthouse Restoration LLC | Negaunee | MI | — | ◐ LIKELY ACTIVE |
| SMSuperior Machine Company INC | Cedar Crest | NM | — | ◐ LIKELY ACTIVE |
Superior Metal Products, Inc. | Chuckey | TN | 20–99 | ◐ LIKELY ACTIVE |
| SLSupermill, LLC | Berlin | CT | 20–99 | ◐ LIKELY ACTIVE |
Super Radiator Coils Chanhassen Plant 2&3 | Chanhassen | MN | 20–99 | ◐ LIKELY ACTIVE |
| SSupplyone | Clearwater | FL | 100–499 | ◐ LIKELY ACTIVE |
| SESupport Equipment Manufacturing LLC | Easton | PA | — | ◐ LIKELY ACTIVE |
| SCSupreme Cores Holdings, LLC - Alabaster, AL Facility | Alabaster | AL | 20–99 | ◐ LIKELY ACTIVE |
| SCSupreme Cores Holdings, LLC - Lancaster, SC Facility | Lancaster | SC | 20–99 | ◐ LIKELY ACTIVE |
| SCSupreme Cores Holdings, LLC - Milwaukee, WI Facility | Milwaukee | WI | 20–99 | ◐ LIKELY ACTIVE |
| SISupreme Integrated Technology, INC. | Houma | LA | — | ◐ LIKELY ACTIVE |
| STSupreme Tool Manufacturing, LLC | Kansas City | MO | — | ◐ LIKELY ACTIVE |
| STSurbo Tubular Services, Inc | Houma | LA | 20–99 | ◐ LIKELY ACTIVE |
| SMSurefire Mechanical CORP | Yaphank | NY | — | ◐ LIKELY ACTIVE |
| SASure-loc Aluminum Edging | Holland | MI | 20–99 | ◐ LIKELY ACTIVE |