| HSHickory Springs Manufacturing Company | Pontotoc | MS | — | ◇ UNVERIFIED |
| HSHickory Springs Manufacturing Company - High Point Foam | High Point | NC | — | ◇ UNVERIFIED |
| HSHickory Springs Manufacturing Company - Pti | Hickory | NC | — | ◇ UNVERIFIED |
| HSHickory Springs Manufacturing Company, Verona | Verona | MS | — | ◇ UNVERIFIED |
| HSHickory Springs Manufacturing CO. - Triad-fabco, Plant 3 | High Point | NC | — | ◇ UNVERIFIED |
| HSHickory Springs Newton | Newton | NC | — | ◇ UNVERIFIED |
| HSHickory Springs of Cal INC | Commerce | CA | — | ◇ UNVERIFIED |
| HMHinkle Manufacturing, INC. | Perrysburg | OH | — | ◇ UNVERIFIED |
| HDHire Dynamics Skilled Staffing, LLC | Lithonia | GA | — | ◇ UNVERIFIED |
 Hi-temp Insulation INC | Camarillo | CA | — | ◇ UNVERIFIED |
| HPHoehn Plastics Incorporated | Poseyville | IN | — | ◇ UNVERIFIED |
| HAHon Allsteel - Tupelo Plant | Verona | MS | — | ◇ UNVERIFIED |
| HFHouston Foam Fabricators INC | Houston | MS | — | ◇ UNVERIFIED |
| HOHsm - Ocala Plant | Ocala | FL | — | ◇ UNVERIFIED |
| HPHunter Panels LLC | Kingston | NY | — | ◇ UNVERIFIED |
| HFHuntington Foam LLC | West Brookfield | MA | — | ◇ UNVERIFIED |
| HFHuntington Foam LLC (n6976) | Greenville | MI | — | ◇ UNVERIFIED |
| HFHuntington Foam Pitt/mt Pleasant | Mount Pleasant | PA | — | ◇ UNVERIFIED |
| HFHuntington Foam Solutions | Greer | SC | — | ◇ UNVERIFIED |
| HLHydrofera, LLC | Newark | DE | — | ◇ UNVERIFIED |
| HTHyundai Transys Seating Systems | Montgomery | AL | — | ◇ UNVERIFIED |
| IFIdeal Foam Llc, Pontotoc Facility | Pontotoc | MS | — | ◇ UNVERIFIED |
| IFIdeal Foam, LLC Ripley Facility | Ripley | MS | — | ◇ UNVERIFIED |
| IPIgloo Products Corporation | Katy | TX | — | ◇ UNVERIFIED |
| IImage | Brainerd | MN | — | ◇ UNVERIFIED |
| IFImperial Foam-camdenton | Camdenton | MO | — | ◇ UNVERIFIED |
| IFImperial Foam & Insulation Mfg. CO. | Ormond Beach | FL | — | ◇ UNVERIFIED |
| IFIndependent Furniture Supply Company | Tupelo | MS | — | ◇ UNVERIFIED |
| IFIndependent Furniture Supply Company Inc, Brooks Road Plant | Belden | MS | — | ◇ UNVERIFIED |
| ISInfiltrator Systems Ez Flow | Saint Augustine | FL | — | ◇ UNVERIFIED |
| IFInnocor Foam Technologies Newburyport, LLC | Newburyport | MA | — | ◇ UNVERIFIED |
| IGInoac Group North America LLC - Plant 2 | Springfield | KY | — | ◇ UNVERIFIED |
 Inoac Usa, INC. | Moonachie | NJ | — | ◇ UNVERIFIED |
| ITInsulation Tech | Bridgewater | MA | — | ◇ UNVERIFIED |
| ITInsulation Technology CORP | Westminster | CO | — | ◇ UNVERIFIED |
| IBInsul Board/erie | Erie | PA | — | ◇ UNVERIFIED |
| IInsulfoam | Phoenix | AZ | — | ◇ UNVERIFIED |
| IInsulfoam | Mead | NE | — | ◇ UNVERIFIED |
| IFInsulfoam Facility | Anchorage | AK | — | ◇ UNVERIFIED |
| ILInsulfoam LLC | Aurora | CO | — | ◇ UNVERIFIED |
| ILInsulfoam LLC | Dixon | CA | — | ◇ UNVERIFIED |
| ILInsulfoam LLC | Marlin, Tx | TX | — | ◇ UNVERIFIED |
| ILInsulfoam LLC (0125182441) | Obetz | OH | — | ◇ UNVERIFIED |
| IIInsul-therm International INC | Commerce | CA | — | ◇ UNVERIFIED |
| IMIntegrated Manufacturing | Detroit | MI | — | ◇ UNVERIFIED |
| IAInternational Automotive Components | Iowa City | IA | — | ◇ UNVERIFIED |
| ICInternational Cushioning Company | Elkhart | IN | — | ◇ UNVERIFIED |
| ICInternational Cushioning Company LLC | Kentland | IN | — | ◇ UNVERIFIED |
| ICInternational Cushioning Company, LLC. | Hickory | NC | — | ◇ UNVERIFIED |
| ICInternational Cushioning Company, LLC - Hickory | Hickory | NC | — | ◇ UNVERIFIED |
