| HMHighway Metal Services, INC. | Cleveland | OH | — | ◇ UNVERIFIED |
| HWHi-grade Welding and Manufacturing, LLC | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| HMHildebrandt Machine | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| HIHiler's Ironworks LLC | Cave Junction | OR | — | ◇ UNVERIFIED |
| HFHilgert Family Properties, LLC | Pomona | CA | — | ◇ UNVERIFIED |
| HMHillcore Machine, INC. | Portland | OR | — | ◇ UNVERIFIED |
| HSHillcrest Sheet Metal, INC. | Bakersfield | CA | — | ◇ UNVERIFIED |
| HIHilliard Investments of Missouri, LLC | Hazelwood | MO | — | ◇ UNVERIFIED |
| HMHill Manufacturing, INC. | Broken Arrow | OK | — | ◇ UNVERIFIED |
| HMHill Mfg LLC | Santa Clara | CA | — | ◇ UNVERIFIED |
| HSHillsboro Sheet Metal, INC. | Tampa | FL | — | ◇ UNVERIFIED |
| HSHills Stainless Steel and Equipment CO | Luverne | MN | — | ◇ UNVERIFIED |
| HSHilti Steel Industry Division | New Castle | PA | — | ◇ UNVERIFIED |
| HNHimco National | Torrance | CA | — | ◇ UNVERIFIED |
| HNHimco Natl INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| HMHirsch Machine, INC | Sunnyvale | CA | — | ◇ UNVERIFIED |
| HMHi-Standard Manufacturing, Inc. | Long Beach | CA | — | ◇ UNVERIFIED |
| HSHi Style Metal Design, Akop Pisikyan Dba | Sun Valley | CA | — | ◇ UNVERIFIED |
| HFHi-tech Fab, INC. | Shelbyville | TN | — | ◇ UNVERIFIED |
| HFHi-tech Fabrication, INC. | Raleigh | NC | — | ◇ UNVERIFIED |
| HIHi-tech Industries, LLC | Broken Arrow | OK | — | ◇ UNVERIFIED |
| HIHi-tech Industries of New York | Johnson City | NY | — | ◇ UNVERIFIED |
| HTHi Tech Industries of New York, INC. | Johnson City | NY | — | ◇ UNVERIFIED |
 Hi-tech Machining & Engineering, L.l.c. | Tucson | AZ | — | ◇ UNVERIFIED |
| HMHi-tech Metal, INC. | Denton | TX | — | ◇ UNVERIFIED |
| HMHitec Metal Fabrication CORP. | Anaheim | CA | — | ◇ UNVERIFIED |
| HMHi-tek Manufacturing INC. | Mason | OH | — | ◇ UNVERIFIED |
| HSHj Shotwell CO | Minneapolis | MN | — | ◇ UNVERIFIED |
| HKH & K Tool & Die INC. | Stevens Point | WI | — | ◇ UNVERIFIED |
| HMHLN Machining LLC | Bryan | OH | — | ◇ UNVERIFIED |
| HDH.m. Dunn Company INC. | Saint Louis | MO | — | ◇ UNVERIFIED |
| HWHm White INC | Detroit | MI | — | ◇ UNVERIFIED |
| HPHNH Properties LLC | Houston | TX | — | ◇ UNVERIFIED |
| HPHn Precision INC. | Rochester | NY | — | ◇ UNVERIFIED |
| HEHockmeyer Equipment CORP. | Elizabeth City | NC | — | ◇ UNVERIFIED |
| HMHodgenville Machine - Tool LLC | White City | KY | — | ◇ UNVERIFIED |
| HEHoffman Enclosures INC Dba Pentair Technical | Anoka | MN | — | ◇ UNVERIFIED |
| HMHoffman Manufacturing, INC. | Fogelsville | PA | — | ◇ UNVERIFIED |
| HMHogan Manufacturing | Escalon | CA | — | ◇ UNVERIFIED |
| HDHogg & Davis INC | Odell | OR | — | ◇ UNVERIFIED |
| HHHojalateria Hipolito Rosa INC | Aguada | PR | — | ◇ UNVERIFIED |
| HMHolbrook Merrill Co# | Sunnyvale | CA | — | ◇ UNVERIFIED |
| HCHolchris CORP Dba Stahl Mfg of the Bluegrass | Frankfort | KY | — | ◇ UNVERIFIED |
| HLHoldings, LLC | Mc Gregor | TX | — | ◇ UNVERIFIED |
| HPHoldren Precision Machining, Inc. | Ulster | PA | — | ◇ UNVERIFIED |
| HSHolliday Sheet Metal CO. | Tyler | TX | — | ◇ UNVERIFIED |
| HTHolly Tool & Die, INC. | Holly Springs | MS | — | ◇ UNVERIFIED |
| HMHolmboe Manufacturing CO. | Oklahoma City | OK | — | ◇ UNVERIFIED |
| HMHolst Machine Shop | Goddard | KS | — | ◇ UNVERIFIED |
| HTHome Tool and Machine LLC | Spring Lake Park | MN | — | ◇ UNVERIFIED |
