| FTFargo Tank Company | Fargo | ND | — | ◇ UNVERIFIED |
| FAFarr Air Pollution Control | Jonesboro | AR | — | ◇ UNVERIFIED |
| FRFerrell-ross Roll Manufacturing | Hereford | TX | — | ◇ UNVERIFIED |
| FFibrebond | Edelstein | IL | — | ◇ UNVERIFIED |
| FLFischer Lime & Cement Garage | Memphis | TN | — | ◇ UNVERIFIED |
| FLFisher & Ludlow Inc/saegertown | Saegertown | PA | — | ◇ UNVERIFIED |
| FMFlorida Metal Products | Jacksonville | FL | — | ◇ UNVERIFIED |
| FPFluid Power Service CORP | Lancaster | NY | — | ◇ UNVERIFIED |
| FSFmt Shipyard & Repair LLC - Universal Services & Associates | Belle Chasse | LA | — | ◇ UNVERIFIED |
| FMFormer Mrp LLC ( Bldg-2 ( Njdep Isra Case# 20160039)) | South Plainfield | NJ | — | ◇ UNVERIFIED |
| FPFort Pierce Air Center | Fort Pierce | FL | — | ◇ UNVERIFIED |
| FSFritz Structural Steel INC | Valley Head | AL | — | ◇ UNVERIFIED |
| FGFrontier Gratings, LLC | Fort Payne | AL | — | ◇ UNVERIFIED |
| FRFront Range Steel INC | Wellington | CO | — | ◇ UNVERIFIED |
| FEFulton Equipment | Toledo | OH | — | ◇ UNVERIFIED |
| FMFwm Mechanical INC | Taylor | LA | — | ◇ UNVERIFIED |
| GFGadsden Fabrication INC | Gadsden | AL | — | ◇ UNVERIFIED |
| GIGalbreath, Incorporated | Mansfield | TX | — | ◇ UNVERIFIED |
| GAGalfab Acquisitions, LLC | Winamac | IN | — | ◇ UNVERIFIED |
| GSGambone Steel Company, INC. | Eagleville | PA | — | ◇ UNVERIFIED |
| GIGarbe Iron Works INC | Aurora | IL | — | ◇ UNVERIFIED |
| GAGarret Aviation Services | Houston | TX | — | ◇ UNVERIFIED |
| GCGates CORP | Rockford | IL | — | ◇ UNVERIFIED |
| GCGateway Company-graham | Saint Louis | MO | — | ◇ UNVERIFIED |
| GDGator Dock and Marine | Sanford | FL | — | ◇ UNVERIFIED |
| GDG & D Industries INC | Covina | CA | — | ◇ UNVERIFIED |
| GIGe Industrial of Pr, LLC (caribe Ge) | San German | PR | — | ◇ UNVERIFIED |
| GEGem Equipment & Mfg | Roanoke | IL | — | ◇ UNVERIFIED |
| GIGencor Industries INC | Marquette | IA | — | ◇ UNVERIFIED |
| GAGeneral Atomics Ems Division, Tupelo | Shannon | MS | — | ◇ UNVERIFIED |
| GEGeneral Electric CO | Philadelphia | PA | — | ◇ UNVERIFIED |
| GEGeneral Electric Consumer & Industrial | Plainville | CT | — | ◇ UNVERIFIED |
| GEGeneral Electric - Consumer & Industrial Division | West Burlington | IA | — | ◇ UNVERIFIED |
| GFGeneral Fabricators INC - New Iberia Facility | New Iberia | LA | — | ◇ UNVERIFIED |
| GSGeneral Steel Products | Everett | MA | — | ◇ UNVERIFIED |
| GAGerdau Ameristeel - Jackson Reinforcing | Jackson | TN | — | ◇ UNVERIFIED |
| GRGerdau Reinforcing Steel | Napa | CA | — | ◇ UNVERIFIED |
| GMGill Manufacturing INC. | Davenport | FL | — | ◇ UNVERIFIED |
| GSGist Specialties LLC | N Las Vegas | NV | — | ◇ UNVERIFIED |
| GAGkn Aerospace Monitor INC | Amityville | NY | — | ◇ UNVERIFIED |
| GTGladwin Tank Mfg Inc-gladwin | Gladwin | MI | — | ◇ UNVERIFIED |
 Global Affinity | Bristol | PA | — | ◇ UNVERIFIED |
| GMGlobal Mfg INC | Ladson | SC | — | ◇ UNVERIFIED |
| GIGlobe Iron Construction Company | Norfolk | VA | — | ◇ UNVERIFIED |
| GBGolden Boat Lifts, LLC | North Fort Myers | FL | — | ◇ UNVERIFIED |
| GMGonzales Manufacturing | Gonzales | TX | — | ◇ UNVERIFIED |
 Goodridge USA | Torrance | CA | — | ◇ UNVERIFIED |
| GSGraham Steel CORP | Kirkland | WA | — | ◇ UNVERIFIED |
| GJGrand Junction Steel LLC | Grand Junction | CO | — | ◇ UNVERIFIED |
| GTGreenfields Truss, INC. | Gentry | AR | — | ◇ UNVERIFIED |
| GIGrimmel Industries | Topsham | ME | — | ◇ UNVERIFIED |
 Griswold Industries Dba Soundcast | South Gate | CA | — | ◇ UNVERIFIED |
| GMGriswold Machine & Engineering INC. (plant #2) | Union City | MI | — | ◇ UNVERIFIED |
| GIGsm Industrial INC Ephrata Plant | Ephrata | PA | — | ◇ UNVERIFIED |
| GCGulf Coast Metal Work INC | Cape Coral | FL | — | ◇ UNVERIFIED |
| GIGulf Island Fabrication - North Yard | Houma | LA | — | ◇ UNVERIFIED |
| GIGulf Island Fabrication - West Yard | Houma | LA | — | ◇ UNVERIFIED |
| GIGulf Island Services LLC | Houma | LA | — | ◇ UNVERIFIED |
| GMGulf Marine Fabricators North | Aransas Pass | TX | — | ◇ UNVERIFIED |
| HSHammett Steel LLC | Phenix City | AL | — | ◇ UNVERIFIED |
 Hardric Laboratories | Chelmsford | MA | — | ◇ UNVERIFIED |
| HRHarris Rebar Auburn | Auburn | WA | — | ◇ UNVERIFIED |
| HRHarris Rebar - Birmingham | Riverside | AL | — | ◇ UNVERIFIED |
| HSHavens Steel Company | Kansas City | MO | — | ◇ UNVERIFIED |
| HSHd Supply Construction Supply LTD | Hyattsville | MD | — | ◇ UNVERIFIED |
| HSHd Supply Construction Supply LTD (fl117a-6413) | Sarasota | FL | — | ◇ UNVERIFIED |
| HSHd Supply Construction Supply, LTD Wc043 | Fort Collins | CO | — | ◇ UNVERIFIED |
| HSHd Supply Construction Supply LTD Wc251 | Miami | FL | — | ◇ UNVERIFIED |
| HSHearthstone Stoves | Morristown | VT | — | ◇ UNVERIFIED |
| HEHeartland Engineered Products LLC | Harrison | OH | — | ◇ UNVERIFIED |
| HSHeartland Steel Products West, LLC LP | Lodi | CA | — | ◇ UNVERIFIED |
| HSHeckert Systems LLC | Kansas City | MO | — | ◇ UNVERIFIED |
| HLHemphill LLC | Tulsa | OK | — | ◇ UNVERIFIED |
| HSHerron Steel CO INC | Tallahassee | FL | — | ◇ UNVERIFIED |
| HHH & H Fabricators INC | Warrior | AL | — | ◇ UNVERIFIED |
| HSHighway Systems Incorporated | Sumterville | FL | — | ◇ UNVERIFIED |
| HMHispanic Mfg / Gonzalez Mfg | Detroit | MI | — | ◇ UNVERIFIED |
 Hitachi Energy Usa, INC. | Mount Pleasant | PA | — | ◇ UNVERIFIED |
| HMHitech Metal Fabrication | Anaheim | CA | — | ◇ UNVERIFIED |
| HBHokes Bluff Welding & Fab | Hokes Bluff | AL | — | ◇ UNVERIFIED |
| HSHomestead Sheet Metal | Spring Valley | CA | — | ◇ UNVERIFIED |
| HIHouma Industries Division of Lor | Harvey | LA | — | ◇ UNVERIFIED |
| HTHr Textron INC. | Pacoima | CA | — | ◇ UNVERIFIED |
 Husco International INC | Waukesha | WI | — | ◇ UNVERIFIED |
| HIHydraulic Industrial CORP of America (hicorp) | Zelienople | PA | — | ◇ UNVERIFIED |
| HIHydroforce INC | Lincolnshire | IL | — | ◇ UNVERIFIED |
| HIHypac INC. | Flemingsburg | KY | — | ◇ UNVERIFIED |
| ITIllinois Tool Works INC | Buffalo Grove | IL | — | ◇ UNVERIFIED |
| IIImm Incorporated | Grayling | MI | — | ◇ UNVERIFIED |
| IFIms Fabrication | Salisbury | NC | — | ◇ UNVERIFIED |
| IIInduction Iron | Austintown | OH | — | ◇ UNVERIFIED |
| ICIndustrial Connections & Solutions, LLC | Morristown | TN | — | ◇ UNVERIFIED |
| IEIndustrial Electric CORP | Beckley | WV | — | ◇ UNVERIFIED |
| IEIndustrial Enterpries INC | Jefferson City | MO | — | ◇ UNVERIFIED |
| IFIndustrial Fabrication & Machining INC | Waterloo | IA | — | ◇ UNVERIFIED |
| IWIndustrial _machine Works | Etna | PA | — | ◇ UNVERIFIED |
| IMIndustrial Metal Fab | Newton | KS | — | ◇ UNVERIFIED |
| IRIndustrial Resource, INC. | Fairmont | WV | — | ◇ UNVERIFIED |
| ISIndustrial Steel Corporation | Pearl | MS | — | ◇ UNVERIFIED |
| IInfra-metals | Atlanta | GA | — | ◇ UNVERIFIED |
