| SESouthwind Enterprises Incorporated | Wichita | KS | — | ◐ LIKELY ACTIVE |
| SSS & S Mfg. CO. | Klamath Falls | OR | — | ◐ LIKELY ACTIVE |
| SCStemm Cells of America, INC. | Harleysville | PA | — | ◐ LIKELY ACTIVE |
| SSSunspan Systems INC | New Berlin | WI | — | ◐ LIKELY ACTIVE |
| TWTimberwolf Welding, INC | Delta | CO | — | ◐ LIKELY ACTIVE |
| 4C4 Corner Architectural Sheet Metal INC | Eagan | MN | — | ◇ UNVERIFIED |
| AUAccessories Unlimited LLC | Lake Park | MN | — | ◇ UNVERIFIED |
| ALAccurate Laser CORP | San Jose | CA | — | ◇ UNVERIFIED |
| AMAce Metal Refinishers INC | Lombard | IL | — | ◇ UNVERIFIED |
| ATAce Torwel, INC | Bellingham | MA | — | ◇ UNVERIFIED |
| AEAdvanced Energy Ideas, INC. | Mesa | AZ | — | ◇ UNVERIFIED |
| AMAdvanced Metal Components INC | Swainsboro | GA | — | ◇ UNVERIFIED |
| ASAdvanced Sheetmetal Associates, LLC | Middlefield | CT | — | ◇ UNVERIFIED |
| AIAerofab INC | Blaine | MN | — | ◇ UNVERIFIED |
| AIAga INC. | Amalga | UT | — | ◇ UNVERIFIED |
| ACAge Craft Mfg INC | Greensburg | PA | — | ◇ UNVERIFIED |
| AMAg Machining INC | Moorpark | CA | — | ◇ UNVERIFIED |
| ACAlbert C Phy & Sons | Willow Grove | PA | — | ◇ UNVERIFIED |
| AMAllied Mask & Tooling, INC. | Toledo | OH | — | ◇ UNVERIFIED |
| APAmw Precision, LLC | Henderson | NV | — | ◇ UNVERIFIED |
| AMAppalachian Machine, INC. | Dublin | VA | — | ◇ UNVERIFIED |
| AMArchitectural Metal Polishing | Union | NJ | — | ◇ UNVERIFIED |
| AIAristo Industries | Harrison Township | MI | — | ◇ UNVERIFIED |
| AEAstro Engineering and Manufacturing INC | Hanover | MN | — | ◇ UNVERIFIED |
| ASAtec Steel (air) | Baxter Springs | KS | — | ◇ UNVERIFIED |
| ABAvery Barron Industries - Fabrication, LLC | Tulsa | OK | — | ◇ UNVERIFIED |
| BMBayou Machine and Fabrication, INC. | Harvey | LA | — | ◇ UNVERIFIED |
| BFBc Fabrication & Repair INC | Junction City | OR | — | ◇ UNVERIFIED |
| BSBenchmark Steelna INC. | Hollister | CA | — | ◇ UNVERIFIED |
| BMBenson Metals INC | Mendota | MN | — | ◇ UNVERIFIED |
| BSBens Structural Fabrication INC | Waite Park | MN | — | ◇ UNVERIFIED |
| BWBk Welding | Loveland | CO | — | ◇ UNVERIFIED |
| BMBliss Machine INC. | Arcade | NY | — | ◇ UNVERIFIED |
| BFBloomsdale Fabrication & Welding | Bloomsdale | MO | — | ◇ UNVERIFIED |
| CMCarolina Machining - Fabrication, INC | Youngsville | NC | — | ◇ UNVERIFIED |
| CCCd Custom Enterprises LLC | Newton | KS | — | ◇ UNVERIFIED |
| CCChappell Central INC | Willmar | MN | — | ◇ UNVERIFIED |
| CBChesapeake Bay Steel, INC. | Norfolk | VA | — | ◇ UNVERIFIED |
| CICobb Industrial Fabricators | Acworth | GA | — | ◇ UNVERIFIED |
| CCCogitic Corporation | Colorado Springs | CO | — | ◇ UNVERIFIED |
| CMCommercial Metal Products INC | Springfield | OR | — | ◇ UNVERIFIED |
| CSCommercial Sheet Metal INC Dba Csm Metal | Los Angeles | CA | — | ◇ UNVERIFIED |
| CICoxreels INC | Tempe | AZ | — | ◇ UNVERIFIED |
| CPCritical Path Metalworks INC | Silver Cliff | CO | — | ◇ UNVERIFIED |
| CECs Eng., INC. | Montgomery | AL | — | ◇ UNVERIFIED |
| CAC.t. and S. Metalworks, INC. | Irving | TX | — | ◇ UNVERIFIED |
| CECustom Expansion Joints | Liberty | MO | — | ◇ UNVERIFIED |
| CFCustom Fabricated Metals, LLC | Fontana | CA | — | ◇ UNVERIFIED |
| CMCustom Metal Fab INC | Scappoose | OR | — | ◇ UNVERIFIED |
| DIDae Industries | Louisville | KY | — | ◇ UNVERIFIED |
| DMDane Mfg CO INC | Dane | WI | — | ◇ UNVERIFIED |
| DRDayton Rogers of South Carolina LLC | Columbia | SC | — | ◇ UNVERIFIED |
| DBD & B Precision Products, INC. | Colorado Springs | CO | — | ◇ UNVERIFIED |
| DIDcg-pmi, INC. | Bethel | CT | — | ◇ UNVERIFIED |
| DMD&g Metal Works, INC | Waterloo | IA | — | ◇ UNVERIFIED |
| DRD & R Steel Construction, INC. | Towanda | PA | — | ◇ UNVERIFIED |
| DPDuralum Products, INC | Sacramento | CA | — | ◇ UNVERIFIED |
 Earnest Products, INC. | Longwood | FL | — | ◇ UNVERIFIED |
| EIEbcjr INC Casbe Industries | Temecula | CA | — | ◇ UNVERIFIED |
| ELEconomasters, LLC | Tulsa | OK | — | ◇ UNVERIFIED |
| ETElite Tool LLC | Moscow Mills | MO | — | ◇ UNVERIFIED |
| EFEmpire Foundry Production & Reclaim | Waterloo | IA | — | ◇ UNVERIFIED |
| EMEmpire Metal Products, INC. | Phoenix | AZ | — | ◇ UNVERIFIED |
| ESEmpire State Specialty Metals, INC. | Springville | NY | — | ◇ UNVERIFIED |
| EPEnterprise Pattern - Prototype INC | Jordan | MN | — | ◇ UNVERIFIED |
| FIFabex INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| FIFabtech INC | Goodhue | MN | — | ◇ UNVERIFIED |
| FTFab Tech Manufacturing INC | Prineville | OR | — | ◇ UNVERIFIED |
| FAFalcon Abrasive Manufacturing INC | Montclair | CA | — | ◇ UNVERIFIED |
| FFFalls Fabricating LLC | Little Falls | MN | — | ◇ UNVERIFIED |
| FPFederal Prison Industries, INC | Bruceton Mills | WV | — | ◇ UNVERIFIED |
| FIFerreus Industries INC | Bluffdale | UT | — | ◇ UNVERIFIED |
| FIFikeco INC | Cynthiana | KY | — | ◇ UNVERIFIED |
| FLFine Line Fabricating INC | Phoenix | AZ | — | ◇ UNVERIFIED |
| FGFireblast Global INC | Corona | CA | — | ◇ UNVERIFIED |
| FIFlexmation INC | Burnsville | MN | — | ◇ UNVERIFIED |
| FPFocal Point Design LLC | Chaska | MN | — | ◇ UNVERIFIED |
| GMGaylord Machine & Fabrication LLC | Gaylord | MI | — | ◇ UNVERIFIED |
| GMGaylord Manufacturing CO | Ceres | CA | — | ◇ UNVERIFIED |
| GIGcl, INC. | Butler | PA | — | ◇ UNVERIFIED |
| GKG - K Machining INC | Cedar | MN | — | ◇ UNVERIFIED |
| GFGround Force Worldwide, LLC (underground) | Post Falls | ID | — | ◇ UNVERIFIED |
| HMHagel Metal Fabrication, INC. | East Peoria | IL | — | ◇ UNVERIFIED |
| HMHarris Manufcaturing INC | Fresno | CA | — | ◇ UNVERIFIED |
| HIHartmanns INC | Abilene | TX | — | ◇ UNVERIFIED |
| HPHuntington Partners INC Dba Continental Tool Mfg | Lenexa | KS | — | ◇ UNVERIFIED |
| IFInnovative Fabrication INC | Lowell | MA | — | ◇ UNVERIFIED |
| IMInnovative Metal Industries INC | San Bernardino | CA | — | ◇ UNVERIFIED |
| ITIron Tiger Manufacturing | Sedalia | MO | — | ◇ UNVERIFIED |
| JEJ - E Manufacturing CO | Lakeville | MN | — | ◇ UNVERIFIED |
| JIJim-n-i, INC. | Lewistown | MT | — | ◇ UNVERIFIED |
| JPJit Powder Coating Company | Farmington | MN | — | ◇ UNVERIFIED |
| JFJml Fabrication LLC | Farmington | MN | — | ◇ UNVERIFIED |
| JPJohn P. Downs, CO. | Dania | FL | — | ◇ UNVERIFIED |
| KIKage Innovation LLC | Stillwater | MN | — | ◇ UNVERIFIED |
| KSKing Steel INC | Winder | GA | — | ◇ UNVERIFIED |
| KMKlw Manufacturing and Design | Arlington | WA | — | ◇ UNVERIFIED |
| KWKuhlman Welding and Lake Services, INC. | Spirit Lake | IA | — | ◇ UNVERIFIED |
| LFLabco Fabrication INC | Palmyra | NY | — | ◇ UNVERIFIED |
| LCLas Cruces Machine Manufacturing & Engineering | Mesilla Park | NM | — | ◇ UNVERIFIED |
