| HMHegar Manufacturing INC | Clackamas | OR | — | ◇ UNVERIFIED |
| HSHeilman Supply | Ford City | PA | — | ◇ UNVERIFIED |
| HMHeim Machine LLC | Green Bay | WI | — | ◇ UNVERIFIED |
| HMHeim Machine LLC | Green Bay | WI | — | ◇ UNVERIFIED |
| HMHeim Machine LLC | Green Bay | WI | — | ◇ UNVERIFIED |
| HSHeintz Steel and Manufacturing Company | Saint Louis | MO | — | ◇ UNVERIFIED |
| HEHeinz Engineering, Inc. | Gardena | CA | — | ◇ UNVERIFIED |
| HPHeleniak Properties, LLC | Plainville | CT | — | ◇ UNVERIFIED |
| HMHELI-ARC Manufacturing Corp. | Owasso | OK | — | ◇ UNVERIFIED |
| HEHelicopter Express Fab Shop | White City | OR | — | ◇ UNVERIFIED |
| HCHelmick CORP | Fairmont | WV | — | ◇ UNVERIFIED |
| HIHelser Industries of Nc | Sharpsburg | NC | — | ◇ UNVERIFIED |
| HMHelton Machine CO | Walton | KY | — | ◇ UNVERIFIED |
| HFHenderson Fabrication | San Antonio | TX | — | ◇ UNVERIFIED |
| HWHenderson Welding, INC. | Chicago | IL | — | ◇ UNVERIFIED |
| HFHendricks Fabrication, INC. | Piedmont | SC | — | ◇ UNVERIFIED |
| HEHennes-johnson Equipment CO | Belle Plaine | MN | — | ◇ UNVERIFIED |
| HAHenry and Sons Construction | New Braunfels | TX | — | ◇ UNVERIFIED |
| HFHenry Fletcher | Rancho Cordova | CA | — | ◇ UNVERIFIED |
| HHHenry H. Smith and Company | Algonac | MI | — | ◇ UNVERIFIED |
| HSHenry Station LLC | Ukiah | CA | — | ◇ UNVERIFIED |
| HIHensley Industries, INC. | Mansfield | TX | — | ◇ UNVERIFIED |
| HMHenson Manufacturing & Sales | Adair | OK | — | ◇ UNVERIFIED |
| HLHephcan LLC | Toledo | OH | — | ◇ UNVERIFIED |
| HMHerald Machine Works INC | East Chicago | IN | — | ◇ UNVERIFIED |
| HMHerald Machine Works, INC. | Gary | IN | — | ◇ UNVERIFIED |
| HJHerbert Joe Howton and Vickie Rae Howton Revocable Trust | Valencia | CA | — | ◇ UNVERIFIED |
| HAHerco Art Manufacturing, INC. | Norristown | PA | — | ◇ UNVERIFIED |
| HPHercules Project Company LLC | Palmetto | FL | — | ◇ UNVERIFIED |
| HSHercules Steel Company, Incorporated | Richlands | NC | — | ◇ UNVERIFIED |
| HCHeritage Custom Fabricators | Princeton | IN | — | ◇ UNVERIFIED |
| HMHeritage Machine & Welding, INC. | Bloomington | IL | — | ◇ UNVERIFIED |
| HMHeritage Manufacturing, Inc. | Franklin Park | IL | — | ◇ UNVERIFIED |
| HBHerman Binz & Sons Iron Works | Little Rock | AR | — | ◇ UNVERIFIED |
| HMHerman Manufactruing Company INC | Wells | MN | — | ◇ UNVERIFIED |
| HMHerman Manufacturing Company INC | Wells | MN | — | ◇ UNVERIFIED |
| HMHerman Manufacturing Company INC | Wells | MN | — | ◇ UNVERIFIED |
| HSHerman Steel Inc | Slatington | PA | — | ◇ UNVERIFIED |
| HSHermitage Steel, Incorporated | Richmond | VA | — | ◇ UNVERIFIED |
| HFHerndon's Fabrication Works | South Houston | TX | — | ◇ UNVERIFIED |
| HDHeroux Devtek USA INC | Strongsville | OH | — | ◇ UNVERIFIED |
| HTHerrenknecht Tunnelling Systems Usa, INC | Sumner | WA | — | ◇ UNVERIFIED |
| HFHerrera Fabricating INC. | Houston | TX | — | ◇ UNVERIFIED |
| HCHerrick CORP Dba San Bernardino Steel INC | San Bernardino | CA | — | ◇ UNVERIFIED |
| HSHerr-voss Stamco | Conway | PA | — | ◇ UNVERIFIED |
| HOHesco of Va LLC | Stuart | VA | — | ◇ UNVERIFIED |
| HHeslops | Novi | MI | — | ◇ UNVERIFIED |
| HCHess Corporation at Msi US Mid-south Machine | Youngsville | LA | — | ◇ UNVERIFIED |
| HSHess Station #32264 | Lindenhurst | NY | — | ◇ UNVERIFIED |
| HCHestan Commercial Corporation | Anaheim | CA | — | ◇ UNVERIFIED |
| HSHetta Solutions INC | Waite Park | MN | — | ◇ UNVERIFIED |
| HCHexcel Corporation | Anaheim | CA | — | ◇ UNVERIFIED |
| HAHG Adhesive Dispensing LLC | Carson City | NV | — | ◇ UNVERIFIED |
| HHH & H Aero, INC. | Erie | PA | — | ◇ UNVERIFIED |
| HHH & H Engineered Coatings | Fort Worth | TX | — | ◇ UNVERIFIED |
| HEH&h Engineered Coatings | Haltom City | TX | — | ◇ UNVERIFIED |
| HHH H Fabrication and Repair LLC | Winsted | MN | — | ◇ UNVERIFIED |
| HHH Hirschberger CO INC | Portland | OR | — | ◇ UNVERIFIED |
| HHH & H Machine INC | Carthage | MO | — | ◇ UNVERIFIED |
| HHH & H Machinery | Brenham | TX | — | ◇ UNVERIFIED |
| HPH&h Polishing LLC | Charlotte | NC | — | ◇ UNVERIFIED |
| HPHialeah Plating Shop INC | Hialeah | FL | — | ◇ UNVERIFIED |
| HIHiatt Industries, LLC | Winona | MN | — | ◇ UNVERIFIED |
| HSHibshman Screw Machine Prod INC | Union | MI | — | ◇ UNVERIFIED |
| HMHickey Metal Fabrication and Roofing Company | Salem | OH | — | ◇ UNVERIFIED |
| HMHicks Machine | Walpole | NH | — | ◇ UNVERIFIED |
| HCHigh Caliber Fab LLC | Kiel | WI | — | ◇ UNVERIFIED |
| HIHigh Industries INC | Lancaster | PA | — | ◇ UNVERIFIED |
| HMHighland Metal, INC. | Hillside | IL | — | ◇ UNVERIFIED |
| HPHighland Plating CO | Los Angeles | CA | — | ◇ UNVERIFIED |
| HSHighland Supply CORP | Redlands | CA | — | ◇ UNVERIFIED |
| HCHighline Controls INC | Livermore | CA | — | ◇ UNVERIFIED |
| HLHigh Lustre Metal Finishing | Hayward | CA | — | ◇ UNVERIFIED |
| HPHigh Precision Partners LLC | Macedon | NY | — | ◇ UNVERIFIED |
| HPHigh Pressure Gas Cylndr. | Longview | TX | — | ◇ UNVERIFIED |
| HRHigh Range Diesel Service L.L.C. | Maple Lake | MN | — | ◇ UNVERIFIED |
| HTHigh Tech Containers LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| HTHigh Tech Manufacturing Services | Vancouver | WA | — | ◇ UNVERIFIED |
| HTHigh Tech Plating | Englewood | CO | — | ◇ UNVERIFIED |
 High Tech Solutions LLC | Lees Summit | MO | — | ◇ UNVERIFIED |
| HPHightower Plating & Manufacturing CO | Orange | CA | — | ◇ UNVERIFIED |
| HMHighway Machine Company, INC | Princeton | IN | — | ◇ UNVERIFIED |
| HSHighway Systems, INC. | Ocala | FL | — | ◇ UNVERIFIED |
| HMHignite Metal Fabricating | Rush Springs | OK | — | ◇ UNVERIFIED |
| HWHi-grade Welding and Manufacturing, LLC | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| HPHiles Plating Company INC. | Kansas City | MO | — | ◇ UNVERIFIED |
| HMHi-Lite Machine Company | Oostburg | WI | — | ◇ UNVERIFIED |
| HMHillbilt Metal Works LLC | Kinston | NC | — | ◇ UNVERIFIED |
| HMHillcore Machine, INC. | Portland | OR | — | ◇ UNVERIFIED |
| HIHilliard Investments of Missouri, LLC | Hazelwood | MO | — | ◇ UNVERIFIED |
| HMHill Manufacturing, INC. | Broken Arrow | OK | — | ◇ UNVERIFIED |
| HAHillock Anodizing INC | Philadelphia | PA | — | ◇ UNVERIFIED |
| HRHill Rebar INC | Corona | CA | — | ◇ UNVERIFIED |
| H2Hillsdale 210 Investments LLC | San Jose | CA | — | ◇ UNVERIFIED |
| HCHillside Custom Machining & Fabrication, LLC | Denver | PA | — | ◇ UNVERIFIED |
| HMHills Machinery Company LLC | Columbia | SC | — | ◇ UNVERIFIED |
| HSHilti Steel Industry Division | New Castle | PA | — | ◇ UNVERIFIED |
| HUHilti U.s Manufacturing | Cypress | CA | — | ◇ UNVERIFIED |
| HWHinojosas Welding Service LLC | Alice | TX | — | ◇ UNVERIFIED |
| HEHirschfeld Energy Systems, LLC | San Angelo | TX | — | ◇ UNVERIFIED |
