| HCHawkins Camanche, Ia | Camanche | IA | — | ◇ UNVERIFIED |
| HCHawkins Chemical - No Oil Stored | Saint Paul | MN | — | ◇ UNVERIFIED |
| HPHawkins Pine Bend | Rosemount | MN | — | ◇ UNVERIFIED |
| HTHayashi Telempu NA | Jasper | AL | — | ◇ UNVERIFIED |
| HCHaydock Caster CO | Niles | IL | — | ◇ UNVERIFIED |
| HCHayes-albion Corporation | Albion | MI | — | ◇ UNVERIFIED |
| HLHayes Lemmerz International INC | Howell | MI | — | ◇ UNVERIFIED |
 Haynes International | Kokomo | IN | — | ◇ UNVERIFIED |
| HMHayssen Manufacturing Company | Duncan | SC | — | ◇ UNVERIFIED |
| HIHbf Investments, LLC | Humboldt (historical) | IA | — | ◇ UNVERIFIED |
| HIHb Ives | New Haven | CT | — | ◇ UNVERIFIED |
| HEHbm Electrochemical CO | Lansing | IL | — | ◇ UNVERIFIED |
| HPHb Performance Systems Inc-es875 | Mequon | WI | — | ◇ UNVERIFIED |
| HSHd Supply Construction Supply LTD | Hyattsville | MD | — | ◇ UNVERIFIED |
| HSHd Supply Construction Supply LTD (fl117a-6413) | Sarasota | FL | — | ◇ UNVERIFIED |
| HSHd Supply Construction Supply, LTD Wc043 | Fort Collins | CO | — | ◇ UNVERIFIED |
| HSHd Supply Construction Supply LTD Wc251 | Miami | FL | — | ◇ UNVERIFIED |
| HPHearn Plating CO INC | Toledo | OH | — | ◇ UNVERIFIED |
| HSHearthstone Stoves | Morristown | VT | — | ◇ UNVERIFIED |
| HAHeartland Automotive LLC | Lafayette | IN | — | ◇ UNVERIFIED |
| HEHeartland Engineered Products LLC | Harrison | OH | — | ◇ UNVERIFIED |
| HFHeartland Foundry CORP | Marengo | IL | — | ◇ UNVERIFIED |
| HMHeartland Memorial Center | Frankfort | IL | — | ◇ UNVERIFIED |
| HSHeartland Steel Products, LLC | Marysville | MI | — | ◇ UNVERIFIED |
| HSHeartland Steel Products West, LLC LP | Lodi | CA | — | ◇ UNVERIFIED |
| HIHeattek INC West Allis | West Allis | WI | — | ◇ UNVERIFIED |
| HTHeat Treating Services CORP of America - Plant 1 | Pontiac | MI | — | ◇ UNVERIFIED |
| HCHeaventree Candle CO | Wheeling | IL | — | ◇ UNVERIFIED |
| HPHebco Products INC | Bucyrus | OH | — | ◇ UNVERIFIED |
| HSHeckert Systems LLC | Kansas City | MO | — | ◇ UNVERIFIED |
| HMHeckethorn Manufacturing | Dyersburg | TN | — | ◇ UNVERIFIED |
| HCHeekin Can Incorporated | Pittsburgh | PA | — | ◇ UNVERIFIED |
| HLHeggem Lundquist | Denver | CO | — | ◇ UNVERIFIED |
| HUHeiche US Surface Technology INC | Spartanburg | SC | — | ◇ UNVERIFIED |
| HPHeidner Property Management | Buffalo Grove | IL | — | ◇ UNVERIFIED |
| HIHelgesen Industries INC | Hartford | WI | — | ◇ UNVERIFIED |
| HAHelp and Hope to Others | Dallas | OR | — | ◇ UNVERIFIED |
| HEHelwig Enterprises INC. | Shandon | OH | — | ◇ UNVERIFIED |
| HCHemmelrath Coatings INC | Duncan | SC | — | ◇ UNVERIFIED |
| HLHemphill LLC | Tulsa | OK | — | ◇ UNVERIFIED |
| HCHenkel CORP | Plainfield | IL | — | ◇ UNVERIFIED |
| HCHenkel Corporation | Buffalo | NY | — | ◇ UNVERIFIED |
| HLHenkel Locktite | Seabrook | NH | — | ◇ UNVERIFIED |
| HMHenlopen Manufacturing Company, INC. | Watertown | CT | — | ◇ UNVERIFIED |
| HPHenry Perkins CO the | Bridgewater | MA | — | ◇ UNVERIFIED |
| HPHenry Plastic Molding | Fremont | CA | — | ◇ UNVERIFIED |
| HPHenry Pratt CO | Dixon | IL | — | ◇ UNVERIFIED |
| HPHenry Pratt CO | Aurora | IL | — | ◇ UNVERIFIED |
| HCHenshell Corporation | Philadelphia | PA | — | ◇ UNVERIFIED |
| HIHeraeus INC | Newark | NJ | — | ◇ UNVERIFIED |
| HPHercules Polishing and Plating LLC | Canton | OH | — | ◇ UNVERIFIED |
| HFHeritage Fs-gibson City | Gibson City | IL | — | ◇ UNVERIFIED |
| HIHeritage Industrial Finishing | Akron | OH | — | ◇ UNVERIFIED |
| HIHeritage Industrial Finishing (1677011297) | Akron | OH | — | ◇ UNVERIFIED |
| HMHeritage Manufacturing INC | Opa Locka | FL | — | ◇ UNVERIFIED |
| HPHeritage Propane Express | Reading | MI | — | ◇ UNVERIFIED |
| HSHerron Steel CO INC | Tallahassee | FL | — | ◇ UNVERIFIED |
| HVHerr Voss Stamco Rci | New Ross | IN | — | ◇ UNVERIFIED |
| HLHershey Laundry-dry Cleaners | Hershey | PA | — | ◇ UNVERIFIED |
| HCHess Carl | Freeport | IL | — | ◇ UNVERIFIED |
| HCHess CO Industries of Arizona INC | Eloy | AZ | — | ◇ UNVERIFIED |
| HSHess Services - Hays (e 9th) | Hays | KS | — | ◇ UNVERIFIED |
| HCHexcel CORP Auburn | Auburn | WA | — | ◇ UNVERIFIED |
| HBHexion Brady | Brady | TX | — | ◇ UNVERIFIED |
| HSHexion Specialty Chemicals INC. | Matteson | IL | — | ◇ UNVERIFIED |
| HCHexpol Compounding Burton Rubber Processing | Jonesborough | TN | — | ◇ UNVERIFIED |
| HSHf Scientific INC | Fort Myers | FL | — | ◇ UNVERIFIED |
| HSHfw Solutions | Rapid City | SD | — | ◇ UNVERIFIED |
| HHH & H Fabricators INC | Warrior | AL | — | ◇ UNVERIFIED |
| HHH & H Farm Products Manufacturing | Bolivar | MO | — | ◇ UNVERIFIED |
| HHH H Howard CORP | Chicago | IL | — | ◇ UNVERIFIED |
| HHH & H Specialties INC | City of Industry | CA | — | ◇ UNVERIFIED |
| HPHialeah Plating Shop INC | Hialeah | FL | — | ◇ UNVERIFIED |
| HFHickory Facility | Hickory | NC | — | ◇ UNVERIFIED |
| HSHickory Shores Resort | Carlyle | IL | — | ◇ UNVERIFIED |
| HCHi Cone Division of Itw | Zebulon | NC | — | ◇ UNVERIFIED |
| HFHighland Field Services LLC | Blossburg | PA | — | ◇ UNVERIFIED |
| HIHighland International Incorporated | Boone | NC | — | ◇ UNVERIFIED |
| HPHighland Precision Plating INC | Hillsboro | OH | — | ◇ UNVERIFIED |
| HSHighland Supply CORP | Highland | IL | — | ◇ UNVERIFIED |
| HPHigh Performance Products INC @ Medway Ind Pk | Branchburg Twp | NJ | — | ◇ UNVERIFIED |
| HPHigh Performance Systems, INC. | Winter Haven | FL | — | ◇ UNVERIFIED |
| HPHigh Performance Tube | Brunswick | GA | — | ◇ UNVERIFIED |
| HPHigh Purity Technology | Poughkeepsie | NY | — | ◇ UNVERIFIED |
| HTHigh Tech Asemblies | Lowell | MA | — | ◇ UNVERIFIED |
| HTHigh Tech Finishing | Houston | TX | — | ◇ UNVERIFIED |
| HSHighway Systems Incorporated | Sumterville | FL | — | ◇ UNVERIFIED |
| HDHighwood Die & Engineering | Waterford | MI | — | ◇ UNVERIFIED |
| HAHi-grade Alloy CORP | Hazel Crest | IL | — | ◇ UNVERIFIED |
| HTHilco Technologies | Armada | MI | — | ◇ UNVERIFIED |
| HBHill Brothers Chemical-rowley | Grantsville | UT | — | ◇ UNVERIFIED |
| HCHill Cross Co., INC. | West New York | NJ | — | ◇ UNVERIFIED |
| HPHill Plating Incorporated | Springfield | MO | — | ◇ UNVERIFIED |
| HTHillsdale Tool & Mfg CO | Jonesville | MI | — | ◇ UNVERIFIED |
| HMHino Motors Manufacturing U.s.a., INC. | Ontario | CA | — | ◇ UNVERIFIED |
| HFHirsh Finishes, Dba Best Finishes, LLC | Colorado Springs | CO | — | ◇ UNVERIFIED |
| HCH-i-s Coatings | Oklahoma City | OK | — | ◇ UNVERIFIED |
| HIHisco INC - Aerocolors | Lake City | FL | — | ◇ UNVERIFIED |
| HIH I S Painting INC | Titusville | FL | — | ◇ UNVERIFIED |
| HMHispanic Mfg / Gonzalez Mfg | Detroit | MI | — | ◇ UNVERIFIED |
