| HIHarmon Industries | Warrensburg | MO | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| HTHatfield Timber Products | Linn | MO | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| HSHavens Steel Company | Kansas City | MO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| HRHavin Red E Mix LLC Sullivan Plant | Sullivan | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| HIHcmi INC | Springfield | MO | Computer and Electronic Product Manufacturing334517 | — | ◇ UNVERIFIED |
| HPHeartland Pet Foods Manufacturing | Joplin | MO | Apparel Manufacturing315999 | — | ◇ UNVERIFIED |
| HSHeartland Sheets | Kansas City | MO | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| HSHeckert Systems LLC | Kansas City | MO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| HSHenkel Surface Techs | Saint Louis | MO | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| HWHenry Wurst INC North Kansas City | North Kansas City | MO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| HLHerculaneum - Lead Smelter Site | Herculaneum | MO | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| HCHerzog Contracting Corp-maryville Site | Maryville | MO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| HCHerzog Contracting Corporation-herzog Red E Mixed Concrete CO | Saint Joseph | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| HHH & H Farm Products Manufacturing | Bolivar | MO | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| HHHigh Hill Biofuels LLC | High Hill | MO | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| HPHillbilly Pumping and Hauling INC | Joplin | MO | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| HAHillier Asphalt | Nevada | MO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| HPHill Plating Incorporated | Springfield | MO | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| HHHimmelberger - Harrison | Morehouse | MO | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| HKH & K Charcoal | Licking | MO | Chemical Manufacturing325191 | — | ◇ UNVERIFIED |
| HMHodgson Mill | Gainesville | MO | Food Manufacturing311211 | — | ◇ UNVERIFIED |
| HIHolcim (us) Inc-st Louis Terminal | St. Louis | MO | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| HNHolland Nameplate | North Kansas City | MO | Fabricated Metal Product Manufacturing332119 | — | ◇ UNVERIFIED |
| HNHolland Nameplate & Engraving Co-holland Nameplate & Engraving CO | Kansas City | MO | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| HIHollister Inc-div of Schneider INC | Kirksville | MO | Plastics and Rubber Products Manufacturing326111 | — | ◇ UNVERIFIED |
| HGHolmes Group Incorporated Rival Manufacturing Division | Sedalia | MO | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| HDHome Depot Dc #5938a | Mexico | MO | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| HIHome INC. | Hermann | MO | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| HAHomer A. Doerr & Sons Plating Company | St. Louis | MO | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| HPHouston Polytank | Hopkins | MO | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| HWHouston Wood Treatment Plant | Houston | MO | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| HPHpi Products INC. | St Joseph | MO | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| HRH & R Plating Co-h & R Plating CO | St. Louis | MO | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| HBHs Baking Enterprises LLC | Joplin | MO | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| HPHubbell Power Systems - Plastics Plant | Centralia | MO | Electrical Equipment, Appliance & Component Manufacturing335311 | — | ◇ UNVERIFIED |
| HRHuck & Roth Garage | Ste Genevieve | MO | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| HPHuntsman Pigments Americas | Saint Louis | MO | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| HCHustler Conveyor Company | Saint Charles | MO | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| HCHutchens Construction-belle Vista Plant | Jane | MO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| HIHutchens Industries-seymour Facility | Seymour | MO | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| HAHydro Aluminum North America Central Region Cassville Plant | Cassville | MO | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| HCHyponex CORP | Harrisonville | MO | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| HTHy Test Incorporated | Kirksville | MO | Leather and Allied Product Manufacturing316213 | — | ◇ UNVERIFIED |
| IBI B M Global Services-hazelwood | Hazelwood | MO | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| IRIdeal Ready Mix CO Inc-canton | Canton | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| IRIdeal Ready Mix CO Inc-kahoka | Kahoka | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| IIIdeker Inc-amity | Kansas City | MO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ICIlluminated Coatings INC | Richland | MO | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| IBImagen Brands LLC Dba Vitronic | Doniphan | MO | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| IFImperial Foam-camdenton | Camdenton | MO | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
