Clemco Industries CORP. | Washington | 100–499 | ● ACTIVE |
Huggins Metal Finishing, INC. | Sullivan | 20–99 | ● ACTIVE |
Lowell Manufacturing Company | Pacific | 20–99 | ● ACTIVE |
Husky Corporation | Pacific | — | ● ACTIVE |
Shure Manufacturing Corporation | Washington | — | ● ACTIVE |
US Tactical Systems, INC. | Washington | — | ● ACTIVE |
Jason Witte, LLC | Washington | — | ● ACTIVE |
| RARti Advanced Forming INC | Washington | 20–99 | ◐ LIKELY ACTIVE |
| GIGerald Industries | Gerald | 100–499 | ◐ LIKELY ACTIVE |
| MEMetalcraft Enterprises INC | New Haven | 20–99 | ◐ LIKELY ACTIVE |
| SVSiesco Valley Screw Products | Union | 20–99 | ◐ LIKELY ACTIVE |
| MRM & R Plating INC | Washington | — | ◇ UNVERIFIED |
| PHParker Hannifin Sporlan Div - Plant 1 | Washington | — | ◇ UNVERIFIED |
| PHParker Hannifin Sporlan Div - Plant 3 | Washington | — | ◇ UNVERIFIED |
| CSCanam Steel Corporation Washington,MO Facility | Washington | 20–99 | ◐ LIKELY ACTIVE |
| LMLinmark Machine Products INC. | Union | 20–99 | ◐ LIKELY ACTIVE |
| WMWashington Metal Fabricators | Washington | — | ◐ LIKELY ACTIVE |
| HFHaines Finishing Company INC - Haines Finishing Company INC | New Haven | — | ◐ LIKELY ACTIVE |
| PMPrecoat Metals | Washington | — | ◐ LIKELY ACTIVE |
| SPSeco Prods CORP | Washington | — | ◐ LIKELY ACTIVE |
| CICdex Inc-cdex INC | Pacific | — | ◇ UNVERIFIED |
| PHParker Hannifin CORP Sporlan Valve Div Plant 1 | Washington | — | ◇ UNVERIFIED |
| PHParker Hannifin Sporlan Div - Plant #2 | Washington | — | ◇ UNVERIFIED |
| FCFluid Connectors Washington SPO215 | Washington | 100–499 | ◐ LIKELY ACTIVE |
| FCFluid Connectors Washington SPO711 | Washington | 100–499 | ◐ LIKELY ACTIVE |
| SWSNA - Washington | Washington | 100–499 | ◐ LIKELY ACTIVE |
| SPStork Precision Machining LLC | Washington | — | ◐ LIKELY ACTIVE |
| TIToolco INC | Union | — | ◐ LIKELY ACTIVE |
| WIWmf INC | Washington | 100–499 | ◐ LIKELY ACTIVE |
| KMK-d Machine & Tool, INC. | Union | — | ◇ UNVERIFIED |
| AMAdvanced Machining LLC | Union | — | ◇ UNVERIFIED |
| CCorro-tech | Union | — | ◇ UNVERIFIED |
| CMCresst Machine Company, INC. | Lonedell | — | ◇ UNVERIFIED |
| CFCS Fabworks & Design, LLC | Saint Clair | — | ◇ UNVERIFIED |
| CSC & S Tool & Die, LLC | New Haven | — | ◇ UNVERIFIED |
| FMFoxboro Machine INC. | Gerald | — | ◇ UNVERIFIED |
| GHG. H. Tool & Mold, INC. | Washington | — | ◇ UNVERIFIED |
| ISIndustrial Spring of St. Louis, Inc. | Pacific | — | ◇ UNVERIFIED |
| JMJerry's Metal Finishing | Saint Clair | — | ◇ UNVERIFIED |
John Thompson Fence CO. LLC | Union | — | ◇ UNVERIFIED |
| LHLakebrink Heating & Ac | Union | — | ◇ UNVERIFIED |
| LALmi Aerospace INC. | Washington | — | ◇ UNVERIFIED |
| MMMidwest Manufacturing | Sullivan | — | ◇ UNVERIFIED |
| RWRK Waterjet LLC | Gray Summit | — | ◇ UNVERIFIED |
| SFStork Fabricators INC. | Washington | — | ◇ UNVERIFIED |
| WMWashington Machining Company | Washington | — | ◇ UNVERIFIED |