| GSG & S Foundry & Mfg | Red Bud | IL | — | ◇ UNVERIFIED |
| GFGsi Facility - Paris New | Paris | IL | — | ◇ UNVERIFIED |
| GPGsi Paris Solar Facility | Paris | IL | — | ◇ UNVERIFIED |
| GTGt Technologies of Tennessee INC | Hendersonville | TN | — | ◇ UNVERIFIED |
| GFG&w Foundry | Rehoboth | MA | — | ◇ UNVERIFIED |
| GZG Zero Cnc Machining | Meridian | ID | — | ◇ UNVERIFIED |
| HLHadady LLC | Dyer | IN | — | ◇ UNVERIFIED |
| HMHadady Machining CO INC | Lansing | IL | — | ◇ UNVERIFIED |
| HFHamilton Foundry & Machine Co, Decatur Casting Div | Decatur | IN | — | ◇ UNVERIFIED |
| HMHammersmith Mfg & Sales INC | Horton | KS | — | ◇ UNVERIFIED |
| HMHammond Machine | Hammond | IN | — | ◇ UNVERIFIED |
| HHHampton Hydraulics Llc-div of Seabee | Hampton | IA | — | ◇ UNVERIFIED |
| HMHampton Machine Shop INC | Hampton | VA | — | ◇ UNVERIFIED |
| HAH and P Industries INC. | Mukwonago | WI | — | ◇ UNVERIFIED |
| HBHandy Button Machine CO | Melrose Park | IL | — | ◇ UNVERIFIED |
| HPHarberts Products INC | Greencastle | PA | — | ◇ UNVERIFIED |
| HWHarold Wood CO | Buffalo | NY | — | ◇ UNVERIFIED |
| HWHasse & Wrede North America | North Aurora | IL | — | ◇ UNVERIFIED |
| HCHayes-albion Corporation | Albion | MI | — | ◇ UNVERIFIED |
| HCHazleton Casting CO | Hazleton | PA | — | ◇ UNVERIFIED |
| HCHazleton Casting CO Llc/hazleton | Hazleton | PA | — | ◇ UNVERIFIED |
| HAHealy Awards INC | Menomonee Falls | WI | — | ◇ UNVERIFIED |
| HFHeartland Foundry CORP | Marengo | IL | — | ◇ UNVERIFIED |
| HIHelgesen Industries INC | Hartford | WI | — | ◇ UNVERIFIED |
| HPHenry Perkins CO the | Bridgewater | MA | — | ◇ UNVERIFIED |
| HCHerr-voss Corporation-office Basement | Callery | PA | — | ◇ UNVERIFIED |
| HCHertz Corporation | San Francisco | CA | — | ◇ UNVERIFIED |
| HMHighland Machine and Screw Product CO | Highland | IL | — | ◇ UNVERIFIED |
| HHHired Hand Green | Bremen | AL | — | ◇ UNVERIFIED |
| HMHitachi Magnetics CORP | Edmore | MI | — | ◇ UNVERIFIED |
| HMHitech Metal Fabrication | Anaheim | CA | — | ◇ UNVERIFIED |
| HTHi Tecmetal, INC. Bmt (1318007817) | Cleveland | OH | — | ◇ UNVERIFIED |
| HFHl Fisher Mfg CO INC | Des Plaines | IL | — | ◇ UNVERIFIED |
| HDHm Dunn | Euless | TX | — | ◇ UNVERIFIED |
| HLHn Lucas & Son | Delran Twp | NJ | — | ◇ UNVERIFIED |
| HNHoffman New Yorker/dushore Facility | Dushore | PA | — | ◇ UNVERIFIED |
| HMHol Mac Corporation, South | Bay Springs | MS | — | ◇ UNVERIFIED |
| HHHoosier Horse Trailers, LLC | Syracuse | IN | — | ◇ UNVERIFIED |
| HEH&s Enterprises INC | Monrovia | CA | — | ◇ UNVERIFIED |
| HSH & S Machine Shop | Hurricane | UT | — | ◇ UNVERIFIED |
| HPHuhtamaki Plastics Phoenix | Phoenix | AZ | — | ◇ UNVERIFIED |
| HLHull Lift Truck INC | Elkhart | IN | — | ◇ UNVERIFIED |
| HYHunt Yachts | Bristol | RI | — | ◇ UNVERIFIED |
| HEHuss Equipment CORP. | Bowling Green | OH | — | ◇ UNVERIFIED |
| HPHyde Park Foundry | Hyde Park | PA | — | ◇ UNVERIFIED |
| HGHydro Gate Acquisition Corporation | Commerce City | CO | — | ◇ UNVERIFIED |
| HMHypar Machine Company, Richwood | Richwood | WV | — | ◇ UNVERIFIED |
| IMIce Manufacturing INC | Oelwein | IA | — | ◇ UNVERIFIED |
| IIIlpea Industries Inc/kane | Kane | PA | — | ◇ UNVERIFIED |
| IAImpact Alloys Foundry | Dallesport | WA | — | ◇ UNVERIFIED |
