| FSFmt Shipyard & Repair LLC - Fmt North Shipyard | Harvey | LA | — | ◐ LIKELY ACTIVE |
| FIFriedman Industries, INC. | Decatur | AL | — | ◐ LIKELY ACTIVE |
| GDGalland Dr Laydown Yard | Shelbeyville | TN | — | ◐ LIKELY ACTIVE |
| GIGamlet, Incorporated | York | PA | — | ◐ LIKELY ACTIVE |
| GFGeneral Fabricating Services, LLC | Coraopolis | PA | — | ◐ LIKELY ACTIVE |
| GDGettysburg Dry Clnr | Gettysburg | PA | — | ◐ LIKELY ACTIVE |
| GFG F Munich Welding CO LLC | Jeffersonville | IN | — | ◐ LIKELY ACTIVE |
| GOGj Oliver INC @ Alpha Ind Pk | Alpha | NJ | — | ◐ LIKELY ACTIVE |
| GIGoldco Industries | Loveland | CO | — | ◐ LIKELY ACTIVE |
| GMGreenwell Machine Shop INC | Petoskey | MI | — | ◐ LIKELY ACTIVE |
| GCGulf Coast Marine Fabricators INC | Abbeville | LA | — | ◐ LIKELY ACTIVE |
| HRHannecard Roller Coatings INC. | Barberton | OH | — | ◐ LIKELY ACTIVE |
| HMHawk Metal Products INC | West Des Moines | IA | — | ◐ LIKELY ACTIVE |
| HSHd Supply Construction Supply LTD (wc0206) | Springfield | VA | — | ◐ LIKELY ACTIVE |
| HPHeartland Precision LLC | Wahpeton | ND | — | ◐ LIKELY ACTIVE |
| HBHohmann & Barnard | Columbia | MD | — | ◐ LIKELY ACTIVE |
| HIHutchens Industries | Mansfield | MO | — | ◐ LIKELY ACTIVE |
| HCHydac CORP | Bethlehem | PA | — | ◐ LIKELY ACTIVE |
| HHydro-chem | Canton | GA | — | ◐ LIKELY ACTIVE |
| JUJem Unlimited Iron, INC. | Anaheim | CA | — | ◐ LIKELY ACTIVE |
| JTJ Tec Industries | East Peoria | IL | — | ◐ LIKELY ACTIVE |
| KIKertz Ironworks INC | Saint Louis | MO | — | ◐ LIKELY ACTIVE |
| KSKrotz Springs Gas Plant | Krotz Springs | LA | — | ◐ LIKELY ACTIVE |
| LSLapeyre Stair, INC. | New Orleans | LA | — | ◐ LIKELY ACTIVE |
| LILexicon, INC. | Little Rock | AR | — | ◐ LIKELY ACTIVE |
| LILexicon, INC. | Blytheville | AR | — | ◐ LIKELY ACTIVE |
Lippert Components, INC. - Indiana Frame Division | Goshen | IN | — | ◐ LIKELY ACTIVE |
| LSLittell Steel Co/bridgewater | New Brighton | PA | — | ◐ LIKELY ACTIVE |
| LSLoudon Steel INC | Millington | MI | — | ◐ LIKELY ACTIVE |
| LDLouvers & Dampers INC | Florence | KY | — | ◐ LIKELY ACTIVE |
| LWL & W Fabricators INC. | Memphis | TN | — | ◐ LIKELY ACTIVE |
| MCMagnum Construction Co-midland | Midland | MI | — | ◐ LIKELY ACTIVE |
| MAMary a Smyth Nelson Et Al #15 Production Facility - Point Au Fer Field | Waterproof | LA | — | ◐ LIKELY ACTIVE |
| MFMas Fab, Incorporated Dba Formit Steel Company | Red Lion | PA | — | ◐ LIKELY ACTIVE |
| MIMcgregor Ind Inc/dunmore Plt | Dunmore | PA | — | ◐ LIKELY ACTIVE |
| MMMcswain Metal Fabrication, INC. | Englewood | CO | — | ◐ LIKELY ACTIVE |
| MJMegquire & Jones CORP | South Portland | ME | — | ◐ LIKELY ACTIVE |
| MMetalforms | Beaumont | TX | — | ◐ LIKELY ACTIVE |
| MIMid-park INC - Mid-park Highway | Leitchfield | KY | — | ◐ LIKELY ACTIVE |
| MFMidstream Fuel Service LLC (harbor Island) | Aransas Pass | TX | — | ◐ LIKELY ACTIVE |
| MMMidwestern Metals Building Additions | Topeka | KS | — | ◐ LIKELY ACTIVE |
| MBMinshew Brothers Steel Construction INC | Lakeside | CA | — | ◐ LIKELY ACTIVE |
| MTMmi Tank and Industrial Services | Phoenix | AZ | — | ◐ LIKELY ACTIVE |
| MMM M Systems Corporation | Pendergrass | GA | — | ◐ LIKELY ACTIVE |
| MWModern Welding Company (0145020338) | Newark | OH | — | ◐ LIKELY ACTIVE |
| NNNewport News Shipbldg Oyster Pt Industrial Pk Opip | Newport News | VA | — | ◐ LIKELY ACTIVE |
| NVNew Vienna Metal Works INC | New Vienna | IA | — | ◐ LIKELY ACTIVE |
| NMNortheastern Mfg and Sales INC | Standish | MI | — | ◐ LIKELY ACTIVE |
| NHNucor Harris Rebar - Zellwood | Zellwood | FL | — | ◐ LIKELY ACTIVE |
| NRNucor Rebar Fabrication Northeast LLC | Pawtucket | RI | — | ◐ LIKELY ACTIVE |