H3 Company Holdings, LLC | Schaumburg | IL | — | ● ACTIVE |
H3 Manufacturing Group LLC | Schaumburg | IL | — | ● ACTIVE |
Haberkamp Industries, INC. | Chicago | IL | — | ● ACTIVE |
| HDHagan Design & Machine INC | Newmarket | NH | — | ● ACTIVE |
| HMHahn Machine LLC | Diamond | OH | — | ● ACTIVE |
Hahn Manufacturing Company | Cleveland | OH | — | ● ACTIVE |
Halcyon Manufacturing INC | San Jose | CA | — | ● ACTIVE |
Hale's Machinery LLC | Harrison | AR | — | ● ACTIVE |
Hall Family Investments 3, LLC | Battle Ground | WA | — | ● ACTIVE |
Hall Manufacturing Services LLC | Shawnee | KS | — | ● ACTIVE |
Halo Precision LLC | Santa Clara | CA | — | ● ACTIVE |
| HOHands on Concepts 3, INC. | El Cajon | CA | — | ● ACTIVE |
Hannibal Machine, INC. | Hannibal | MO | — | ● ACTIVE |
Hanse Environmental INC | Allegan | MI | — | ● ACTIVE |
Hanson Rivet & Supply CO | Pacoima | CA | — | ● ACTIVE |
| HEHarbinger Engineering INC | Willoughby | OH | — | ● ACTIVE |
Harlyn Jean Machining LLC | Columbia Falls | MT | — | ● ACTIVE |
Hartford Aircraft Products, INC | Bloomfield | CT | — | ● ACTIVE |
Hart Industries LLC | Sterling Heights | MI | — | ● ACTIVE |
Hasten Applied Cnc LLC | Riverside | CA | — | ● ACTIVE |
Hawkeye Innovation LLC | Agawam | MA | — | ● ACTIVE |
Hawkins Machine Company, INC. | Coventry | RI | — | ● ACTIVE |
| HBHayes Bruce | San Diego | CA | — | ● ACTIVE |
Hd Manufacturing LLC | Elizabethton | TN | — | ● ACTIVE |
| HFHeartland Fabrication & Machine, INC | Raytown | MO | — | ● ACTIVE |
Hefner Machine & Tool, INC. | Hatfield | PA | — | ● ACTIVE |
Heiton Manufacturing LLC | Forney | TX | — | ● ACTIVE |
Helanbak, LLC | Columbia | MS | — | ● ACTIVE |
Helical Machining, INC | Sun Valley | CA | — | ● ACTIVE |
Hentschel Precision Machining INC | Traverse City | MI | — | ● ACTIVE |
Hera Technologies, LLC | Ontario | CA | — | ● ACTIVE |
Heron Manufacturing LLC | Billings | MT | — | ● ACTIVE |
Herz Precision Parts, LLC | Wood Village | OR | — | ● ACTIVE |
Hexagon Machine & Mfg., LLC | Longmont | CO | — | ● ACTIVE |
H & H Enterprises INC | Hayes | VA | — | ● ACTIVE |
H & H Machine Shop of Akron INC | Akron | OH | — | ● ACTIVE |
| HTHighline Tool INC | Hillsboro | OR | — | ● ACTIVE |
High Star CORP | Westland | MI | — | ● ACTIVE |
Hillco Contracting LLC | Bates City | MO | — | ● ACTIVE |
Hill Creek Incorporated | Front Royal | VA | — | ● ACTIVE |
| HFHi-tech Fasteners LLC | Wyoming | MI | — | ● ACTIVE |
Hi Tech Machining & Engineering LLC | Tucson | AZ | — | ● ACTIVE |
Hitek Services INC | Owens Cross Roads | AL | — | ● ACTIVE |
Hi-temp Products CORP | Danbury | CT | — | ● ACTIVE |
Hm Quality Machining, INC | Ontario | CA | — | ● ACTIVE |
Hndo Precision LLC | Santa Rosa | CA | — | ● ACTIVE |
Hobart Brothers LLC | Troy | OH | — | ● ACTIVE |
Hobart Machined Products INC | Maple Valley | WA | — | ● ACTIVE |
| HMHochbaum Machine Services, INC. | Hebron | IN | — | ● ACTIVE |
Hoem INC | York | PA | — | ● ACTIVE |
Holden on Motorsports, LLC | Zephyrhills | FL | — | ● ACTIVE |
Holz Enterprises, INC | Bellingham | WA | — | ● ACTIVE |
Holzman Machine LLC | Clearwater | FL | — | ● ACTIVE |
Homebase Machining LLC | Meridian | ID | — | ● ACTIVE |
| HMHonematic Machine Corporation | Boylston | MA | — | ● ACTIVE |
Hood Tooling & Machine LLC | Malvern | AR | — | ● ACTIVE |
Horst Manufacturing CO INC | Windham | OH | — | ● ACTIVE |
Hot Shot Fabrication LLC | Watkins | CO | — | ● ACTIVE |
| HFHouston Foundry Manufacturing, L.l.c | Houston | TX | — | ● ACTIVE |
Howard Tool CO | Hermon | ME | — | ● ACTIVE |
H R Edgar Machining & Fabricating, INC. | New Kensington | PA | — | ● ACTIVE |
Hs Engineering CORP. | La Mirada | CA | — | ● ACTIVE |
H&t Machining | San Jose | CA | — | ● ACTIVE |
Hubbell Machine CO INC | Paso Robles | CA | — | ● ACTIVE |
Hubzone Manufacturing INC | Minden | NV | — | ● ACTIVE |
Hudson Street Manufacturing INC. | Livermore | CA | — | ● ACTIVE |
Hydrablast Technologies, INC | Houston | TX | — | ● ACTIVE |
Hydracore INC | Metuchen | NJ | — | ● ACTIVE |
| HPHyperformance Products INC | Huntington Beach | CA | — | ● ACTIVE |
Hyperion Materials & Technologies, INC. | Columbus | OH | — | ● ACTIVE |
| HMHy-tek Manufacturing Co., INC. | Sugar Grove | IL | — | ● ACTIVE |
Ibs Machine & Manufacturing LLC | Ocala | FL | — | ● ACTIVE |
Icc Machining, LLC | Alvin | TX | — | ● ACTIVE |
| IAI-corp Arizona, a Close Corporation | Kingman | AZ | — | ● ACTIVE |
Ideal Welding LLC | Wellford | SC | — | ● ACTIVE |
| IFIDI Fabrication, Inc. d.b.a. The Gund Company Inc. | Lemont | IL | 1–19 | ● ACTIVE |
Ifl Manufacturing INC. | Wauconda | IL | — | ● ACTIVE |
Illinois Tool Works INC. | Hopkinton | MA | — | ● ACTIVE |
| ILImaginationeering, LLC | Houston | TX | — | ● ACTIVE |
Img Larkin, LLC | Scotts Valley | CA | — | ● ACTIVE |
Impact Access, INC. | Harrisburg | PA | — | ● ACTIVE |
Impact Machine LLC | Kaukauna | WI | — | ● ACTIVE |
Imperium Tool & Instrument, INC. | Butte | MT | — | ● ACTIVE |
Imr INC | Prentice | WI | — | ● ACTIVE |
Inclusive Manufacturing, LLC | Harriman | TN | — | ● ACTIVE |
Independence Machine & Tool LLC | Madison | IN | — | ● ACTIVE |
Induction Innovations, INC. | Elgin | IL | — | ● ACTIVE |
Indus Precision Mfg., INC | Congers | NY | — | ● ACTIVE |
Industrial Bolt and Supply | Ventura | CA | — | ● ACTIVE |
Industrial Fasteners & Supply LLC | Calera | AL | — | ● ACTIVE |
Industrial Forge INC | Alma | GA | — | ● ACTIVE |
Industrial Manufacturing Specialties, INC | Decatur | AL | — | ● ACTIVE |
Indy Cast Alloys, INC | Indianapolis | IN | — | ● ACTIVE |
| IMInfinisys Manufacturing LLC | Phoenix | AZ | — | ● ACTIVE |
| IPInfinity Precision INC | Simi Valley | CA | — | ● ACTIVE |
| ICInfocus Cnc Machining, INC. | Fountain Valley | CA | — | ● ACTIVE |
Ingram Industries, INC. | Canton | TX | — | ● ACTIVE |
Inland Mechanical INC | Richland | WA | — | ● ACTIVE |
Innotech Machining, INC. | Brighton | CO | — | ● ACTIVE |
Inno Tech Manufacturing INC | San Diego | CA | — | ● ACTIVE |