| HMHi-tech Metals | Denton | TX | — | ◇ UNVERIFIED |
| HPHi-tech Plating | Erie | PA | — | ◇ UNVERIFIED |
| HTHi Tecmetal, INC. Bmt (1318007817) | Cleveland | OH | — | ◇ UNVERIFIED |
| HTHi - Tec Plating INC | Statesville | NC | — | ◇ UNVERIFIED |
| HFHl Fisher Mfg CO INC | Des Plaines | IL | — | ◇ UNVERIFIED |
| HLH & L Tool-madison Hgts | Madison Heights | MI | — | ◇ UNVERIFIED |
| HDHm Dunn | Euless | TX | — | ◇ UNVERIFIED |
| HGHme Global LLC - Fusionone | New Iberia | LA | — | ◇ UNVERIFIED |
| HQHm Quackenbush INC | Herkimer | NY | — | ◇ UNVERIFIED |
| HLHn Lucas & Son | Delran Twp | NJ | — | ◇ UNVERIFIED |
| HPHobart Plant #56 | Richmond Hill | GA | — | ◇ UNVERIFIED |
| HNHoffman New Yorker/dushore Facility | Dushore | PA | — | ◇ UNVERIFIED |
| HBHokes Bluff Welding & Fab | Hokes Bluff | AL | — | ◇ UNVERIFIED |
| HIHolcim (us) INC | Des Moines | IA | — | ◇ UNVERIFIED |
| HNHolland Nameplate | North Kansas City | MO | — | ◇ UNVERIFIED |
| HMHol Mac Corporation, South | Bay Springs | MS | — | ◇ UNVERIFIED |
| HCHomelite Consumer Products INC. | Anderson | SC | — | ◇ UNVERIFIED |
| HAHomer A. Doerr & Sons Plating Company | Saint Louis | MO | — | ◇ UNVERIFIED |
| HSHomestead Sheet Metal | Spring Valley | CA | — | ◇ UNVERIFIED |
| HHHoosier Horse Trailers, LLC | Syracuse | IN | — | ◇ UNVERIFIED |
| HSHoosier Stamping | Evansville | IN | — | ◇ UNVERIFIED |
| HGHopwood Globe LTD | Malden | MA | — | ◇ UNVERIFIED |
| HIHouma Industries Division of Lor | Harvey | LA | — | ◇ UNVERIFIED |
| HPHouston Plant | Houston | TX | — | ◇ UNVERIFIED |
| HPHouston Plating & Bumper | Houston | TX | — | ◇ UNVERIFIED |
| HRH & R Plating Co-h & R Plating CO | Saint Louis | MO | — | ◇ UNVERIFIED |
| HTHr Textron INC. | Pacoima | CA | — | ◇ UNVERIFIED |
| HEH&s Enterprises INC | Monrovia | CA | — | ◇ UNVERIFIED |
| HSH & S Machine Shop | Hurricane | UT | — | ◇ 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 |
 Husco International INC | Waukesha | WI | — | ◇ UNVERIFIED |
| HMHuskin Machinery Company | Maryville | TN | — | ◇ UNVERIFIED |
| HEHuss Equipment CORP. | Bowling Green | OH | — | ◇ UNVERIFIED |
| HIHydramec Incorporated | Scio | NY | — | ◇ UNVERIFIED |
| HIHydraulic Industrial CORP of America (hicorp) | Zelienople | PA | — | ◇ UNVERIFIED |
| HIHydroforce INC | Lincolnshire | IL | — | ◇ UNVERIFIED |
| HIHypac INC. | Flemingsburg | KY | — | ◇ UNVERIFIED |
| HMHypar Machine Company, Richwood | Richwood | WV | — | ◇ UNVERIFIED |
| HCHyundai Construction Equipment USA | Norcross | GA | — | ◇ UNVERIFIED |
| IAI & a Inc., Dba Peninsula Metal Fabrication | San Jose | CA | — | ◇ UNVERIFIED |
| IMIce Manufacturing INC | Oelwein | IA | — | ◇ UNVERIFIED |
| IPIdeal Plating and Polishing INC | Providence | RI | — | ◇ UNVERIFIED |
| IPIdeal Plating & Polishing @ Belleville Ind Ct | Belleville | NJ | — | ◇ UNVERIFIED |
| IMId Machine Incorporated | Malden | MA | — | ◇ UNVERIFIED |
| IIIlpea Industries Inc/kane | Kane | PA | — | ◇ UNVERIFIED |
| IIImm Incorporated | Grayling | MI | — | ◇ 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 |
| IPImpressions Polishing and Plating | Orange | CA | — | ◇ UNVERIFIED |
| IFIms Fabrication | Salisbury | NC | — | ◇ UNVERIFIED |
| IPIndependent Plating CO. INC. | Worcester | MA | — | ◇ UNVERIFIED |
| IIInduction Iron | Austintown | OH | — | ◇ 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 Container Services CO LLC | Brighton | CO | — | ◇ UNVERIFIED |
| IEIndustrial Enterpries INC | Jefferson City | MO | — | ◇ UNVERIFIED |
| IFIndustrial Fabricating | East Syracuse | NY | — | ◇ UNVERIFIED |
| IFIndustrial Fabrication & Machining INC | Waterloo | IA | — | ◇ UNVERIFIED |
| IHIndustrial Hard Chromium CO INC | Newark | NJ | — | ◇ UNVERIFIED |
| IWIndustrial _machine Works | Etna | PA | — | ◇ UNVERIFIED |
| IMIndustrial Metal Fab | Newton | KS | — | ◇ UNVERIFIED |
| IMIndustrial Metal Finishing INC | Jamestown | NY | — | ◇ UNVERIFIED |
| IMIndustrial Metal Finishing, INC | Walnut Ridge | AR | — | ◇ UNVERIFIED |
| IMIndustrial Metal Finishing INC. #2 | Walnut Ridge | AR | — | ◇ UNVERIFIED |
| IPIndustrial Plating CO | Ames | IA | — | ◇ UNVERIFIED |
| IPIndustrial Plating CORP. | Lynchburg | VA | — | ◇ UNVERIFIED |
| IPIndustrial Plating & Machine, Inc., Princeton | Princeton | WV | — | ◇ UNVERIFIED |
| IRIndustrial Research, INC. | Evansville | IN | — | ◇ UNVERIFIED |
| IRIndustrial Resource, INC. | Fairmont | WV | — | ◇ UNVERIFIED |
| ISIndustrial Steel Corporation | Pearl | MS | — | ◇ UNVERIFIED |
| ITIndustrial Tooling & Fabrication | Fort Madison | IA | — | ◇ UNVERIFIED |
| IDIndustrie De Nora S.p.a. - Chardon Manufacturing Facility | Chardon | OH | — | ◇ UNVERIFIED |
| IMIndy Metal Finishing | Brownsburg | IN | — | ◇ UNVERIFIED |
| IAInfinite Ascent LLC | San Marcos | CA | — | ◇ UNVERIFIED |
| IInfra-metals | Atlanta | GA | — | ◇ UNVERIFIED |
| IRInnovative Recycling | Galion | OH | — | ◇ UNVERIFIED |
| ITInnovative Tube Design INC | Simi Valley | CA | — | ◇ UNVERIFIED |
| IWInnov Wire Technology INC | Colorado Spgs | CO | — | ◇ UNVERIFIED |
| IMInterlake Mecalux INC | Melrose Park | IL | — | ◇ UNVERIFIED |
| ISIntermountain Steel | Colorado Springs | CO | — | ◇ UNVERIFIED |
| IBInternational Bridge & Iron CO | Newington | CT | — | ◇ UNVERIFIED |
| ICInternational Chrome Acid Spill | Dade City | FL | — | ◇ UNVERIFIED |
| ICInternational Chromium Plating | Providence | RI | — | ◇ UNVERIFIED |
| IDInternational Diamond Services | Houston | TX | — | ◇ UNVERIFIED |
| IIInternational Insignia | Providence | RI | — | ◇ UNVERIFIED |
| ISInternational Supply CO | Edelstein | IL | — | ◇ UNVERIFIED |
| IMInterplex Metals, R.i. Corporation | Warwick | RI | — | ◇ UNVERIFIED |
| INInterplex Nascal INC. | Tustin | CA | — | ◇ UNVERIFIED |
