| HMHarris-precision Mold & Manufacturing, INC. | Tempe | AZ | — | ◇ UNVERIFIED |
| HSHartford Standard CORP | Hartford | KY | — | ◇ UNVERIFIED |
| HCHartwell CORP | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
 Harvey Vogel Manufacturing CO | Eagan | MN | — | ◇ UNVERIFIED |
| HSHatch Stamping Company LLC | Chattanooga | TN | — | ◇ UNVERIFIED |
| HMHawkins Machine Shop INC | Troy | OH | — | ◇ UNVERIFIED |
| HDHedalloy Die CORP | Cleveland | OH | — | ◇ UNVERIFIED |
| HTHellebusch Tool & Die, INC. | Washington | MO | — | ◇ UNVERIFIED |
| HTHelm Tool Company Incorporated | Elk Grove Village | IL | — | ◇ UNVERIFIED |
 Hendrick Manufacturing CO | Carbondale | PA | — | ◇ UNVERIFIED |
| HPHERCO Properties, LLC | Auburn Hills | MI | — | ◇ UNVERIFIED |
| HMHercules Machine Tool & Die LLC | Warren | MI | — | ◇ UNVERIFIED |
| HTHercules Tool & Die LLC | Warren | MI | — | ◇ UNVERIFIED |
| HCHestan Commercial Corporation | Anaheim | CA | — | ◇ UNVERIFIED |
| HCHexcel Corporation | Anaheim | CA | — | ◇ UNVERIFIED |
| HAHgs Aerospace | Fraser | MI | — | ◇ UNVERIFIED |
| HMHighland Manufacturing Inc. | Manchester | CT | — | ◇ UNVERIFIED |
| HEHillman Extrusion Tool INC | Lincoln | MI | — | ◇ UNVERIFIED |
| HWHi-tech Welding | Lees Summit | MO | — | ◇ UNVERIFIED |
| HKH & K Tool and Machine Co., INC. | Huntingdon Valley | PA | — | ◇ UNVERIFIED |
| HLH Loeb Corporation | New Bedford | MA | — | ◇ UNVERIFIED |
| HUH+m USA Management Company, Inc.dba Hinderer + Mue | Charlotte | NC | — | ◇ UNVERIFIED |
| HTHomestead Tool and Machine INC | Coleman | MI | — | ◇ UNVERIFIED |
| HSHoosier Stamping | Evansville | IN | — | ◇ UNVERIFIED |
| HMHossfeld Manufacturing CO | Winona | MN | — | ◇ UNVERIFIED |
| HDHousewright Dies INC | Fridley | MN | — | ◇ UNVERIFIED |
| HMHub Manufacturing Company | Minneapolis | MN | — | ◇ UNVERIFIED |
| IIIce Industries Deerfield | Mason | OH | — | ◇ UNVERIFIED |
| IEI E and E Industries INC | Madison Heights | MI | — | ◇ UNVERIFIED |
| IWImperial Wire Die INC | Mount Vernon | NY | — | ◇ UNVERIFIED |
 Independence Tooling Solutions | Troy | MI | — | ◇ UNVERIFIED |
| IDIndustrial Die Systems, INC. | Walbridge | OH | — | ◇ UNVERIFIED |
| IMIndustrial Machining Services | Fort Loramie | OH | — | ◇ UNVERIFIED |
| ITIndustrial Toolcrafters INC. | Galesville | WI | — | ◇ UNVERIFIED |
| ITIndustrial Tooling, INC. | Fort Smith | AR | — | ◇ UNVERIFIED |
| ICInterface Catheter Solutions Dba Confluent Medical Technologies | Laguna Niguel | CA | — | ◇ UNVERIFIED |
| IIIntermatic INC | Spring Grove | IL | — | ◇ UNVERIFIED |
| INInterplex Nascal INC. | Tustin | CA | — | ◇ UNVERIFIED |
| ITIsland Tool and Die INC | Pine Island | MN | — | ◇ UNVERIFIED |
| IIItw - I Kela CO | Sarasota | FL | — | ◇ UNVERIFIED |
| INItw NA Metal Fasteners | Broadview | IL | — | ◇ UNVERIFIED |
| ISItw Shakeproof | Broadview | IL | — | ◇ UNVERIFIED |
| JMJackson Machine & Mfg, INC | Jackson | MO | — | ◇ UNVERIFIED |
| JTJaeckel Tool and Manufacturing INC | Fontana | CA | — | ◇ UNVERIFIED |
| JAJb Auto LLC | Fridley | MN | — | ◇ UNVERIFIED |
| JAJC2960 Auburn Court, LLC | Auburn Hills | MI | — | ◇ UNVERIFIED |
| JLJcim, LLC | Mccalla | AL | — | ◇ UNVERIFIED |
| JUJcim Us, LLC | Mccalla | AL | — | ◇ UNVERIFIED |
| JLJenkor, LLC | Ceres | CA | — | ◇ UNVERIFIED |
| JFJensen Fabrication, LLC | Alton | IL | — | ◇ UNVERIFIED |
