| HSHermitage Steel, Incorporated | Richmond | VA | — | ◇ UNVERIFIED |
| HFHerrera Fabricating INC. | Houston | TX | — | ◇ UNVERIFIED |
| HCHerrick CORP Dba San Bernardino Steel INC | San Bernardino | CA | — | ◇ UNVERIFIED |
| HIHesse Industrial Sales INC. Dba Texas Manufacturin | Houston | TX | — | ◇ UNVERIFIED |
| HSHetta Solutions INC | Waite Park | MN | — | ◇ UNVERIFIED |
| HSHg Solutions | Garland | TX | — | ◇ UNVERIFIED |
| HHH H Fabrication and Repair LLC | Winsted | MN | — | ◇ UNVERIFIED |
| HHH Hirschberger CO INC | Portland | OR | — | ◇ UNVERIFIED |
| HHH & H Metal Fabrication | Lawton | IA | — | ◇ UNVERIFIED |
| HMHickey Metal Fabrication and Roofing Company | Salem | OH | — | ◇ UNVERIFIED |
| HBHicks Brothers Property LLC | Kalamazoo | MI | — | ◇ UNVERIFIED |
| HCHigh Caliber Fab LLC | Kiel | WI | — | ◇ UNVERIFIED |
| HIHigh Industries INC | Lancaster | PA | — | ◇ UNVERIFIED |
| HSHighland Supply CORP | Redlands | CA | — | ◇ UNVERIFIED |
| HRHigh Range Diesel Service L.L.C. | Maple Lake | MN | — | ◇ UNVERIFIED |
| HTHigh Tech Containers LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| HMHightower Metal Works | Houston | TX | — | ◇ UNVERIFIED |
| HMHighway Metal Services, INC. | Cleveland | OH | — | ◇ UNVERIFIED |
| HSHighway Systems, INC. | Ocala | FL | — | ◇ UNVERIFIED |
| HMHignite Metal Fabricating | Rush Springs | OK | — | ◇ UNVERIFIED |
| HMHildebrandt Machine | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| HFHilgert Family Properties, LLC | Pomona | CA | — | ◇ UNVERIFIED |
| HMHillbilt Metal Works LLC | Kinston | NC | — | ◇ UNVERIFIED |
| HSHillcrest Sheet Metal, INC. | Bakersfield | CA | — | ◇ UNVERIFIED |
| HMHill Mfg LLC | Santa Clara | CA | — | ◇ UNVERIFIED |
| HRHill Rebar INC | Corona | CA | — | ◇ UNVERIFIED |
| HSHillsboro Sheet Metal, INC. | Tampa | FL | — | ◇ UNVERIFIED |
| HCHillside Custom Machining & Fabrication, LLC | Denver | PA | — | ◇ UNVERIFIED |
| HUHilti U.s Manufacturing | Cypress | CA | — | ◇ UNVERIFIED |
| HWHinojosas Welding Service LLC | Alice | TX | — | ◇ UNVERIFIED |
| HEHirschfeld Energy Systems, LLC | San Angelo | TX | — | ◇ UNVERIFIED |
| HIHirschfeld Industries | San Angelo | TX | — | ◇ UNVERIFIED |
| HIHirschfeld Industries Group LP | Abilene | TX | — | ◇ UNVERIFIED |
| HIHirschfeld Industries LP | San Angelo | TX | — | ◇ UNVERIFIED |
| HFHi-tech Fab, INC. | Shelbyville | TN | — | ◇ UNVERIFIED |
| HFHi-tech Fabrication, INC. | Raleigh | NC | — | ◇ UNVERIFIED |
| HIHitech, INC. | Moore | 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 Metals, Inc. | Maspeth | NY | — | ◇ UNVERIFIED |
| HSHi-tech Stencils | Orange | CA | — | ◇ UNVERIFIED |
| HSHj Shotwell CO | Minneapolis | MN | — | ◇ UNVERIFIED |
| HKH & K Tool & Die INC. | Stevens Point | WI | — | ◇ UNVERIFIED |
| HIHme INC | Topeka | KS | — | ◇ UNVERIFIED |
| HIHme, INC. | Laramie | WY | — | ◇ UNVERIFIED |
| HHH.M. Hillman Brass & Copper, Inc. | Honey Brook | PA | — | ◇ UNVERIFIED |
| HIHMLJ Industries, LLC | Milwaukee | WI | — | ◇ UNVERIFIED |
| HIHmt, INC. | Blackwell | OK | — | ◇ UNVERIFIED |
| HWHm White INC | Detroit | MI | — | ◇ UNVERIFIED |
| HOHockley Oilfield Supply | Levelland | TX | — | ◇ UNVERIFIED |
