| CHChampion Hi-Tech Mfg. - Houston | Houston | TX | 20–99 | ◐ LIKELY ACTIVE |
| CHChampion Hi-Tech Mfg. - Odessa | Odessa | TX | 1–19 | ◐ LIKELY ACTIVE |
| CECimarron Energy Inc | Houston | TX | 500+ | ◐ LIKELY ACTIVE |
| CNCircor Naval Solutions LLC | Norfolk | VA | — | ◐ LIKELY ACTIVE |
| CCClaremore Cable Plant | Claremore | OK | 100–499 | ◐ LIKELY ACTIVE |
| CPCorrosion Products & Equipment - Ephrata | Ephrata | PA | 1–19 | ◐ LIKELY ACTIVE |
| CPCorrosion Products & Equipment - Rochester | Rochester | NY | 1–19 | ◐ LIKELY ACTIVE |
| CPCorrosion Products & Equipment - West Springfield | West Springfield | MA | 1–19 | ◐ LIKELY ACTIVE |
| CPCrane Pumps & Systems - Piqua | Piqua | OH | 100–499 | ◐ LIKELY ACTIVE |
| CLCypress Location | Cypress | TX | 20–99 | ◐ LIKELY ACTIVE |
| DEDarby Equipment Company | Tulsa | OK | 20–99 | ◐ LIKELY ACTIVE |
| DCDeepwater Corrosion Services | Houston | TX | 20–99 | ◐ LIKELY ACTIVE |
| DRDel Rio Location | Del Rio | TX | 20–99 | ◐ LIKELY ACTIVE |
| DCDerrick Corporation | Buffalo | NY | 500+ | ◐ LIKELY ACTIVE |
| D1District 1 | Houston | TX | 100–499 | ◐ LIKELY ACTIVE |
| DPDover Pumps & Process Solutions Segment INC | Grand Rapids | MI | — | ◐ LIKELY ACTIVE |
| DPDover Pumps & Process Solutions Segment, INC. | National City | CA | — | ◐ LIKELY ACTIVE |
| DWDowning Wellhead Equipment LLC | Oklahoma City | OK | 100–499 | ◐ LIKELY ACTIVE |
| DMDuncan Manufacturing | Duncan | OK | 500+ | ◐ LIKELY ACTIVE |
| DUDynaEnergetics US Inc. -Blum, TX Main Campus | Blum | TX | 100–499 | ◐ LIKELY ACTIVE |
| DUDynaEnergetics US Inc. - Houston TX Corporate Office | Houston | TX | 1–19 | ◐ LIKELY ACTIVE |
| DUDynaEnergetics US INC - Midland, TX Distribution Center | Midland | TX | 1–19 | ◐ LIKELY ACTIVE |
| DUDynaEnergetics US Inc. -Mount Braddock, PA Distribution Center | Mount Braddock | PA | 1–19 | ◐ LIKELY ACTIVE |
| DUDynaEnergetics US Inc. -Whitney, TX Machine Shop & Warehouse | Whitney | TX | 20–99 | ◐ LIKELY ACTIVE |
| DODynamic Oilfield Services LLC | Midland | TX | 1–19 | ◐ LIKELY ACTIVE |
| EMEastern Machine, Incorporated | Landenberg | PA | — | ◐ LIKELY ACTIVE |
| EIElastec, Inc. 1309 | Carmi | IL | 20–99 | ◐ LIKELY ACTIVE |
| EIElastec, Inc. 211 | Fairfield | IL | 20–99 | ◐ LIKELY ACTIVE |
| EIElastec, Inc. 401 | Cocoa | FL | 1–19 | ◐ LIKELY ACTIVE |
| EEEnQuest Energy Solutions - Odessa | Odessa | TX | 1–19 | ◐ LIKELY ACTIVE |
| FMFammco Manufacturing | Tulsa | OK | 1–19 | ◐ LIKELY ACTIVE |
| FLFlogistix, LP | Oklahoma City | OK | 100–499 | ◐ LIKELY ACTIVE |
| FEFranklin Electric - Canby | Canby | OR | 100–499 | ◐ LIKELY ACTIVE |
| FMFredericks Machine & Tool Shop INC | New Iberia | LA | 20–99 | ◐ LIKELY ACTIVE |
| GRGary Reichlinger | York | NE | — | ◐ LIKELY ACTIVE |
| GEGD Energy Products - Altoona | Altoona | PA | 1–19 | ◐ LIKELY ACTIVE |
| GEGD Energy Products - Benbrook | Benbrook | TX | 20–99 | ◐ LIKELY ACTIVE |
| GEGD Energy Products - Bossier City | Bossier City | LA | 1–19 | ◐ LIKELY ACTIVE |
| GEGD Energy Products - Conroe | Conroe | TX | 20–99 | ◐ LIKELY ACTIVE |
| GEGD Energy Products - Dickinson | Dickinson | ND | 1–19 | ◐ LIKELY ACTIVE |
| GEGD Energy Products - Odessa - Valtek | Odessa | TX | 20–99 | ◐ LIKELY ACTIVE |
| GEGD Energy Products - Quincy | Quincy | IL | 1–19 | ◐ LIKELY ACTIVE |
| GEGD Energy Products - Tulsa | Tulsa | OK | 100–499 | ◐ LIKELY ACTIVE |
| GGeartech | Houston | TX | 20–99 | ◐ LIKELY ACTIVE |
| GVGilbarco Veeder-Root | Greensboro | NC | 500+ | ◐ LIKELY ACTIVE |
| GPG P M, INC. | Ripon | CA | — | ◐ LIKELY ACTIVE |
| GIGraco Inc. - French Lake | Dayton | MN | 100–499 | ◐ LIKELY ACTIVE |
| GIGraco Inc. - George Aristides Riverside Center | Minneapolils | MN | 100–499 | ◐ LIKELY ACTIVE |
| GTGranbury Thompson Group, LLC | Granbury | TX | 20–99 | ◐ LIKELY ACTIVE |
| GLGreat Lakes LLC | Ada | OH | — | ◐ LIKELY ACTIVE |