| HHHired Hand Green | Bremen | AL | — | ◇ UNVERIFIED |
| HFHirsh Finishes, Dba Best Finishes, LLC | Colorado Springs | CO | — | ◇ UNVERIFIED |
| HIH I S Painting INC | Titusville | FL | — | ◇ UNVERIFIED |
 Hitachi Energy Usa, INC. | Mount Pleasant | PA | — | ◇ UNVERIFIED |
| HMHitachi Magnetics CORP | Edmore | MI | — | ◇ UNVERIFIED |
| HMHitech Metal Fabrication | Anaheim | CA | — | ◇ UNVERIFIED |
| HMHi-tech Metals | Denton | TX | — | ◇ UNVERIFIED |
| HPHi-tech Plating | Erie | PA | — | ◇ UNVERIFIED |
| HTHi Tec Metal Group INC - Hydrovac | Cleveland | OH | — | ◇ UNVERIFIED |
| HTHi Tecmetal, INC. Bmt (1318007817) | Cleveland | OH | — | ◇ UNVERIFIED |
| HTHi - Tec Plating INC | Statesville | NC | — | ◇ UNVERIFIED |
| HAH&l Accessory | Greer | SC | — | ◇ UNVERIFIED |
| HFHl Fisher Mfg CO INC | Des Plaines | IL | — | ◇ UNVERIFIED |
| HLH Loeb Corporation | New Bedford | MA | — | ◇ UNVERIFIED |
| HLH & L Tool-madison Hgts | Madison Heights | MI | — | ◇ UNVERIFIED |
| HDHm Dunn | Euless | TX | — | ◇ UNVERIFIED |
| HGHme Global LLC - Fusionone | New Iberia | LA | — | ◇ UNVERIFIED |
| HMH & M Metal Processing | Akron | OH | — | ◇ UNVERIFIED |
| HQHm Quackenbush INC | Herkimer | NY | — | ◇ UNVERIFIED |
| HCHmw Contracting LLC | Detroit | MI | — | ◇ UNVERIFIED |
| HLHn Lucas & Son | Delran Twp | NJ | — | ◇ UNVERIFIED |
| HBHobart Bakery Systems Orting | Orting | WA | — | ◇ UNVERIFIED |
| HPHobart Plant #56 | Richmond Hill | GA | — | ◇ UNVERIFIED |
| HEHoffman Enclosure Dba Pentair Equipment Protection | Anoka | MN | — | ◇ UNVERIFIED |
| HNHoffman New Yorker/dushore Facility | Dushore | PA | — | ◇ UNVERIFIED |
| HCHogan CO INC | Bloomington | CA | — | ◇ UNVERIFIED |
| HIHohl Industrial Services INC | Tonawanda | NY | — | ◇ UNVERIFIED |
| H1Holland 1916 | North Kansas City | MO | — | ◇ UNVERIFIED |
| HNHolland Nameplate | North Kansas City | MO | — | ◇ UNVERIFIED |
| HNHolland Nameplate & Engraving Co-holland Nameplate & Engraving CO | Kansas City | MO | — | ◇ UNVERIFIED |
| HPHolland Pump Company | West Palm Beach | FL | — | ◇ UNVERIFIED |
| HIHolly Industries INC | Hornick | IA | — | ◇ UNVERIFIED |
| HMHol Mac Corporation, South | Bay Springs | MS | — | ◇ UNVERIFIED |
| HGHolmes Group Incorporated Rival Manufacturing Division | Sedalia | MO | — | ◇ UNVERIFIED |
| HAHomer A. Doerr & Sons Plating Company | Saint Louis | MO | — | ◇ UNVERIFIED |
| HBHoneywell Bbi Cicero Site | Cicero | IL | — | ◇ UNVERIFIED |
| HIHoneywell International | Anniston | AL | — | ◇ UNVERIFIED |
| HIHoneywell International INC. | Tucson | AZ | — | ◇ UNVERIFIED |
| HCHoosier Coatings, LLC | Nappanee | IN | — | ◇ UNVERIFIED |
| HHHoosier Horse Trailers, LLC | Syracuse | IN | — | ◇ UNVERIFIED |
| HSHoosier Stamping | Evansville | IN | — | ◇ UNVERIFIED |
| HGHopwood Globe LTD | Malden | MA | — | ◇ UNVERIFIED |
| HOHouse of Metal Enclosures Inc-house of Metal Enclosures INC | Hermann | MO | — | ◇ UNVERIFIED |
| HPHouston Plant | Houston | TX | — | ◇ UNVERIFIED |
| HPHouston Plating & Bumper | Houston | TX | — | ◇ UNVERIFIED |
| HUHouston Unlimited Metal Processing | Chappell Hill | TX | — | ◇ UNVERIFIED |
| HRH & R Plating Co-h & R Plating CO | Saint Louis | MO | — | ◇ UNVERIFIED |
| HEH&s Enterprises INC | Monrovia | CA | — | ◇ UNVERIFIED |
| HSH & S Machine Shop | Hurricane | UT | — | ◇ UNVERIFIED |
| HGHt Gaston CORP | Rockford | IL | — | ◇ UNVERIFIED |
| HTH T I | Logansport | IN | — | ◇ UNVERIFIED |
| HMHughes Missile Systems CO | Pomona | CA | — | ◇ UNVERIFIED |
| HMHughes Missile Systems CO. Navajo Facility | Fort Defiance | AZ | — | ◇ UNVERIFIED |
| HPHughes Parker Industries, INC. | Lawrenceburg | TN | — | ◇ UNVERIFIED |
| HPHuhtamaki Plastics Phoenix | Phoenix | AZ | — | ◇ UNVERIFIED |
| HLHull Lift Truck INC | Elkhart | IN | — | ◇ UNVERIFIED |
| HYHunt Yachts | Bristol | RI | — | ◇ UNVERIFIED |
| HMHuskin Machinery Company | Maryville | TN | — | ◇ UNVERIFIED |
| HEHuss Equipment CORP. | Bowling Green | OH | — | ◇ UNVERIFIED |
| HIHy-blast, INC. (1409070634) | Monroe | OH | — | ◇ UNVERIFIED |
| HPHyde Park Foundry | Hyde Park | PA | — | ◇ UNVERIFIED |
| HIHydramec Incorporated | Scio | NY | — | ◇ UNVERIFIED |
| HIHydrohoist International Incorporated | Claremore | OK | — | ◇ UNVERIFIED |
| HMHypar Machine Company, Richwood | Richwood | WV | — | ◇ UNVERIFIED |
| IAI & a Inc., Dba Peninsula Metal Fabrication | San Jose | CA | — | ◇ UNVERIFIED |
| ICIberville Coatings INC | Saint Gabriel | LA | — | ◇ UNVERIFIED |
| IMIce Manufacturing INC | Oelwein | IA | — | ◇ UNVERIFIED |
| ICIdeal Coatings | Lafayette | LA | — | ◇ UNVERIFIED |
| IPIdeal Plating and Polishing INC | Providence | RI | — | ◇ UNVERIFIED |
| IPIdeal Plating & Polishing @ Belleville Ind Ct | Belleville | NJ | — | ◇ UNVERIFIED |
| IPIdentification Plates | Mesquite | TX | — | ◇ UNVERIFIED |
| IMId Machine Incorporated | Malden | MA | — | ◇ UNVERIFIED |
| IWIllini Wire Works INC | Olney | IL | — | ◇ UNVERIFIED |
| ITIllinois Tool Works | Elgin | IL | — | ◇ UNVERIFIED |
| ITIllinois Tool Works INC | Buffalo Grove | IL | — | ◇ UNVERIFIED |
| IIIlpea Industries Inc/kane | Kane | PA | — | ◇ UNVERIFIED |
| ISImagineering Solutions LLC | Indianapolis | IN | — | ◇ UNVERIFIED |
| IRImco Reinforced Plastics INC | Moorestown | NJ | — | ◇ UNVERIFIED |
| IIImpac International | Fontana | CA | — | ◇ UNVERIFIED |
| IAImpact Alloys Foundry | Dallesport | WA | — | ◇ UNVERIFIED |
| IGImperial Group-decatur | Decatur | TX | — | ◇ UNVERIFIED |
| IIImperial Industrial Finishing Services | Kingston | IL | — | ◇ UNVERIFIED |
 Imperial Machine & Tool CO LLC | Wadsworth | OH | — | ◇ UNVERIFIED |
| IPImperial Plating CO | Springfield | IL | — | ◇ UNVERIFIED |
| IPImperial Plating INC | Fullerton | CA | — | ◇ UNVERIFIED |
| IImpreglon | Fairburn | GA | — | ◇ UNVERIFIED |
| ISImpreglon Surface Engineering Satsuma Facility | Houston | TX | — | ◇ UNVERIFIED |
| IPImpressions Polishing and Plating | Orange | CA | — | ◇ UNVERIFIED |
| IDImt Duncan LLC | Duncan | SC | — | ◇ UNVERIFIED |
| IPIncon Process Systems LLC | Saint Charles | IL | — | ◇ UNVERIFIED |
| IPIndependent Plating CO. INC. | Worcester | MA | — | ◇ UNVERIFIED |
| I4Indigo 48, LLC | Montpelier | OH | — | ◇ UNVERIFIED |
| ISInduction Services Inc-warren | Warren | MI | — | ◇ UNVERIFIED |
| IAIndustrial Anodizing INC. | Hyrum | UT | — | ◇ UNVERIFIED |
| IBIndustrial Brush CORP | Lakeland | FL | — | ◇ UNVERIFIED |
| ICIndustrial Chrome Plate | San Antonio | TX | — | ◇ UNVERIFIED |
| ICIndustrial Chrome Plating | Conyers | GA | — | ◇ UNVERIFIED |
| ICIndustrial Chrome Plating INC | Portland | OR | — | ◇ UNVERIFIED |
| ICIndustrial Chromium | Holyoke | MA | — | ◇ UNVERIFIED |
| ICIndustrial Coatings & Fireproofing | New Iberia | LA | — | ◇ UNVERIFIED |
