| HMHolst Machine Shop | Goddard | KS | — | ◇ UNVERIFIED |
| HPHolts Precision, INC. | South Windsor | CT | — | ◇ UNVERIFIED |
| HFHolyfield Forge & Fabriation | Lewiston | ID | — | ◇ UNVERIFIED |
| HHHolzknecht Holding, LLC | Putnam | CT | — | ◇ UNVERIFIED |
| HSHomeland Security Safe Company | Pico Rivera | CA | — | ◇ UNVERIFIED |
| HTHomestead Tool and Machine INC | Coleman | MI | — | ◇ UNVERIFIED |
| HTHome Tool and Machine LLC | Spring Lake Park | MN | — | ◇ UNVERIFIED |
| HIHoneywell International INC (former Aero Quality Plating Site) | Oakland | CA | — | ◇ UNVERIFIED |
| HEHood Eic, LLC | Sparks | NV | — | ◇ UNVERIFIED |
| HEHope Enterprises LLC | Saint Augustine | FL | — | ◇ UNVERIFIED |
| HSHope Street Capital LLC | Anaheim | CA | — | ◇ UNVERIFIED |
| HMHopper Machine LLC | Shortsville | NY | — | ◇ UNVERIFIED |
| HEHorel Enterprises LLC | Elk Mound | WI | — | ◇ UNVERIFIED |
| HAHorizon Automation & Fabrication LLC | Muncie | IN | — | ◇ UNVERIFIED |
| HMHorizon Machining LLC | Chandler | AZ | — | ◇ UNVERIFIED |
| HMHorizon Manufacturing and Repair INC. | North Salt Lake | UT | — | ◇ UNVERIFIED |
| HSHorizon Staffing, INC. | Suwanee | GA | — | ◇ UNVERIFIED |
| HUHose USA INC | Maple Grove | MN | — | ◇ UNVERIFIED |
| HMHossfeld Manufacturing CO | Winona | MN | — | ◇ UNVERIFIED |
| HMHouck Machine Company | Minneapolis | MN | — | ◇ UNVERIFIED |
| HMHouck Machine Company | Plymouth | MN | — | ◇ UNVERIFIED |
| HIHourglass Investments LLC | Astoria | OR | — | ◇ UNVERIFIED |
| HDHousant Development | Washington | DC | — | ◇ UNVERIFIED |
| HOHouse of Balance, INC | Elkridge | MD | — | ◇ UNVERIFIED |
| HDHousewright Dies INC | Fridley | MN | — | ◇ UNVERIFIED |
| HCHouston County Manufacturing LLC | Cumberland City | TN | — | ◇ UNVERIFIED |
| HEHouston Etching Company | Houston | TX | — | ◇ UNVERIFIED |
| HPHouston Plant & Forklift | Houston | TX | — | ◇ UNVERIFIED |
| HPHouston Plating & Coatings LLC | South Houston | TX | — | ◇ UNVERIFIED |
| HWHouston Wire Works | — | TX | — | ◇ UNVERIFIED |
| HIHoward Industries INC | Mendenhall | MS | — | ◇ UNVERIFIED |
| HPHoward Precision Machine Products | Riverton | UT | — | ◇ UNVERIFIED |
| HTHoward Tactical LLC | Layton | UT | — | ◇ UNVERIFIED |
| HFHowell's Fab INC. | Howells | NE | — | ◇ UNVERIFIED |
| HEHowes Engineering CO INC | North Chelmsford | MA | — | ◇ UNVERIFIED |
| HFHowler Fabrication & Welding, Inc. | West Chicago | IL | — | ◇ UNVERIFIED |
| HGHowmet Global Fastening Systems INC | Rancho Dominguez | CA | — | ◇ UNVERIFIED |
| HMHp Metal Polishing | Paramount | CA | — | ◇ UNVERIFIED |
| HMHPM Metal & Waste, LLC | Ogden | UT | — | ◇ UNVERIFIED |
| HPHP Precision Inc | Odessa | TX | — | ◇ UNVERIFIED |
| HPH & P Real Estate Holdings LLC | North Salt Lake | UT | — | ◇ UNVERIFIED |
| HOHruby Orbital Systems, INC | Huntington Beach | CA | — | ◇ UNVERIFIED |
| HSH & S Constructors, INC. | Corpus Christi | TX | — | ◇ UNVERIFIED |
| HAHTE Acquisition LLC | Camarillo | CA | — | ◇ UNVERIFIED |
| HPHtm Precision Machining INC | New Albany | PA | — | ◇ UNVERIFIED |
| HFHts Fabrication | Plymouth | MN | — | ◇ UNVERIFIED |
| HSHt Specialty INC | Rochester | NY | — | ◇ UNVERIFIED |
| HCHub Corporation | Roanoke | VA | — | ◇ UNVERIFIED |
| HMHub Manufacturing Company | Minneapolis | MN | — | ◇ UNVERIFIED |
| HIHuck International - Deutsch O | Lakewood | CA | — | ◇ UNVERIFIED |
| HWHudmon Welding and Machine Co., INC. | Cusseta | AL | — | ◇ UNVERIFIED |
| HMHudson Manufacturing - Machine Shop INC | Saint Joseph | KY | — | ◇ UNVERIFIED |
| HMHudson Motorsports LLC | Dunkirk | NY | — | ◇ UNVERIFIED |
| HPHudson Plating Works | Moorpark | CA | — | ◇ UNVERIFIED |
| HIHughes Industrial, Inc | Tempe | AZ | — | ◇ UNVERIFIED |
| HEHugo Engineering CO INC | Torrance | CA | — | ◇ UNVERIFIED |
| HMHull Machine Tool | Flint | MI | — | ◇ UNVERIFIED |
| HHumanmade | San Francisco | CA | — | ◇ UNVERIFIED |
| HIHumboldt Intermountain Machine INC. | Logan | UT | — | ◇ UNVERIFIED |
| HIHummel Innovations LLC | Wickliffe | OH | — | ◇ UNVERIFIED |
| HSHunter Schlesser Sandblasting | San Leandro | CA | — | ◇ UNVERIFIED |
| HMHunt Metal Craft LLC | Gainesville | GA | — | ◇ UNVERIFIED |
| HMHunts Machine | Warrensburg | MO | — | ◇ UNVERIFIED |
| HNHuong Nguyen | Fullerton | CA | — | ◇ UNVERIFIED |
| HIHurford Industries INC | Beaverton | OR | — | ◇ UNVERIFIED |
| HIHurley Investment Properties, LLC | Comstock Park | MI | — | ◇ UNVERIFIED |
| HMHurley Metal Fabrication & Mfg, LLC | Windsor | CT | — | ◇ UNVERIFIED |
| HAHuron Automatic Screw CO | Saint Clair | MI | — | ◇ UNVERIFIED |
| HTHurst Trailers Incorporated | Washburn | TN | — | ◇ UNVERIFIED |
| HHHutchinson Holdings Inc | Oconomowoc | WI | — | ◇ UNVERIFIED |
| HMHutchinson Manufacturing INC | Hutchinson | MN | — | ◇ UNVERIFIED |
| HWHwc Wire & Cable Co/downingtown Boro | Downingtown | PA | — | ◇ UNVERIFIED |
| HHwj-mcs-amp | Houston | TX | — | ◇ UNVERIFIED |
| HCHX Components, Inc. dba Concept Machining | Ormond Beach | FL | — | ◇ UNVERIFIED |
 Hybrid Cnc Parts | Webster | MA | — | ◇ UNVERIFIED |
| HMHybrid Manufacturing Technologies LLC | Mckinney | TX | — | ◇ UNVERIFIED |
| HHycalog | Houston | TX | — | ◇ UNVERIFIED |
| HCHydra Cut, LLC | Winterville | NC | — | ◇ UNVERIFIED |
| HAHydralift Amclyde, INC. | Slidell | LA | — | ◇ UNVERIFIED |
| HOHydratight Operations INC | Concord | CA | — | ◇ UNVERIFIED |
| HOHydratight Operations, INC. | Mooresboro | NC | — | ◇ UNVERIFIED |
| HSHydraulic Service & Manufacturing LLC | Menomonee Falls | WI | — | ◇ UNVERIFIED |
| HSHydraulic Systems & Components INC Dba Rupe's Hydraulics | San Marcos | CA | — | ◇ UNVERIFIED |
| HCHydrocam Corporation | Concord | NH | — | ◇ UNVERIFIED |
| HCHydro Carbide Tool Company | Latrobe | PA | — | ◇ UNVERIFIED |
| HEHydro Extrusion North American LLC - 86th Ave | Tolleson | AZ | — | ◇ UNVERIFIED |
| HIHydro, INC. | Aston | PA | — | ◇ UNVERIFIED |
| HIHydro-platers INC | Milwaukee | WI | — | ◇ UNVERIFIED |
| HMHyland Machining | Madison | SD | — | ◇ UNVERIFIED |
| HIHypertherm INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| HIHypex INC. | Southampton | PA | — | ◇ UNVERIFIED |
| HMHyster-yale Materials Handling, INC. | Greenville | NC | — | ◇ UNVERIFIED |
| HCHytec Cutting Service INC | Louisville | KY | — | ◇ UNVERIFIED |
| HPHytech Precision, INC. | West Bend | WI | — | ◇ UNVERIFIED |
| HPHytech Processing | Inglewood | CA | — | ◇ UNVERIFIED |
| HMHytron Manufacturing Company INC | Huntington Beach | CA | — | ◇ UNVERIFIED |
| IPIag Ppi Services LLC | Warren | MI | — | ◇ UNVERIFIED |
| IAI and I Sling, INC. | Greensboro | NC | — | ◇ UNVERIFIED |
| IMIb Machine CO | Anaheim | CA | — | ◇ UNVERIFIED |
| III-cam Industries | Murrieta | CA | — | ◇ UNVERIFIED |
