| IDIcon Design & Display | Santa Rosa | CA | — | ◇ UNVERIFIED |
 Idaho Forest Group | Lewiston | ID | — | ◇ UNVERIFIED |
| Idaho Forest Group - Athol | Athol | ID | — | ◇ UNVERIFIED |
| Idaho Forest Group, LLC | Potlatch | ID | — | ◇ UNVERIFIED |
| Idaho Forest Group- St. Regis | Saint Regis | MT | — | ◇ UNVERIFIED |
| ITIdaho Timber Corporation of Nc Incorporated | Henderson | NC | — | ◇ UNVERIFIED |
| ITIdaho Timber Holdings West, INC. | Troy | ID | — | ◇ UNVERIFIED |
| IMI-e Millwork INC | Hopkins | MN | — | ◇ UNVERIFIED |
| IIfco | Dallas | TX | — | ◇ UNVERIFIED |
| IIfco | Hammond | LA | — | ◇ UNVERIFIED |
| IIfco | Seville | OH | — | ◇ UNVERIFIED |
| ISIfco Systems | Grand Rapids | MI | — | ◇ UNVERIFIED |
| ISIfco Systems | Saint Louis | MO | — | ◇ UNVERIFIED |
| ISIfco Systems | Kansas City | MO | — | ◇ UNVERIFIED |
| ISIfco Systems | Shelby | OH | — | ◇ UNVERIFIED |
| ISIfco Systems Florida, INC. | Memphis | TN | — | ◇ UNVERIFIED |
| ISIfco Systems, INC. | Cincinnati | OH | — | ◇ UNVERIFIED |
| ISIfco Systems N.a. INC. | Dallas | TX | — | ◇ UNVERIFIED |
| ISIfco Systems N.a., INC. | Romeoville | IL | — | ◇ UNVERIFIED |
| ISIfco Systems N.a., INC. | Valdosta | GA | — | ◇ UNVERIFIED |
| ISIfco Systems Na, INC. | Guilderland Center | NY | — | ◇ UNVERIFIED |
| ISIfco Systems NA INC. Dba Pallet Companies INC. | Henderson | CO | — | ◇ UNVERIFIED |
| ISIfco Systems, North America | Smithville | OH | — | ◇ UNVERIFIED |
| ISIfco Systems North America INC | San Antonio | TX | — | ◇ UNVERIFIED |
| ISIfco Systems North America INC | Martin | TN | — | ◇ UNVERIFIED |
| ISIfco Systems North America, INC. | Westborough | MA | — | ◇ UNVERIFIED |
| ISIfco Systems North America, INC. | Jackson | MS | — | ◇ UNVERIFIED |
| ISIfco Systems North America,inc,homeland | Homeland | FL | — | ◇ UNVERIFIED |
| ISIfco Systems North America, INC - Site 711 | Scarborough | ME | — | ◇ UNVERIFIED |
| ISIfco Systems North Carolina, INC. | Charlotte | NC | — | ◇ UNVERIFIED |
| ISIfco Systems of North America | Indianapolis | IN | — | ◇ UNVERIFIED |
| ISIfco Systems Us, LLC | Charlotte | NC | — | ◇ UNVERIFIED |
| ISIfco Systems Us, LLC Site146 | Amarillo | TX | — | ◇ UNVERIFIED |
| IDIk Design INC | San Rafael | CA | — | ◇ UNVERIFIED |
| ICIlex Construction, INC. T/a Ilex Woodworking | Easton | MD | — | ◇ UNVERIFIED |
| IPIllinois Pallets, INC | Willow Springs | IL | — | ◇ UNVERIFIED |
| IWImage Woodworking, Inc. | Lake Worth | FL | — | ◇ UNVERIFIED |
| IPImir Pa INC | Miami | FL | — | ◇ UNVERIFIED |
| IPImperial Pallets | Compton | CA | — | ◇ UNVERIFIED |
| ILImpressive Laser Designs LLC | Sacramento | CA | — | ◇ UNVERIFIED |
| IMIndeck Magnolia Llc, Indeck Magnolia Pellet Mill Project | Magnolia | MS | — | ◇ UNVERIFIED |
| ITIndependence Timber Incorporated | Clifford | PA | — | ◇ UNVERIFIED |
| IPIndependent Packing Services INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| IPIndependent Pallets Limited Liability Company | Cinnaminson | NJ | — | ◇ UNVERIFIED |
| ISIndependent Stave CO INC Lebanon Plant | Lebanon | MO | — | ◇ UNVERIFIED |
| ISIndependent Stave Company LLC | Morehead | KY | — | ◇ UNVERIFIED |
| IAIndiana Architectural Plywood | Trafalgar | IN | — | ◇ UNVERIFIED |
| IBIndiana Battery Company Site Operable Unit 1 | Indianapolis | IN | — | ◇ UNVERIFIED |
| IHIndiana Hardwoods | Hardinsburg | KY | — | ◇ UNVERIFIED |
| IBIndianhead Biomass Services | Saint Augustine | FL | — | ◇ UNVERIFIED |
| IRIndian River Shutter Company | Palm City | FL | — | ◇ UNVERIFIED |
| IIIndus Industries | Birchdale | MN | — | ◇ UNVERIFIED |
| IRInduspac Rtp INC | Durham | NC | — | ◇ UNVERIFIED |
| ICIndustrial Crating INC | Saint Paul | KS | — | ◇ UNVERIFIED |
| IHIndustrial Hardwood, INC. | Perrysburg | OH | — | ◇ UNVERIFIED |
| ILIndustrial Lumber Co., Inc. | Kansas City | KS | — | ◇ UNVERIFIED |
| IPIndustrial Pallet Corporation | Clarks Hill | IN | — | ◇ UNVERIFIED |
| ITIndustrial Timber & Lumber | Endeavor | PA | — | ◇ UNVERIFIED |
| IWIndustrial Woodfab and Packaging Company | Riverview | MI | — | ◇ UNVERIFIED |
 Industrial Wood Products | Ozark | MO | — | ◇ UNVERIFIED |
| Industrial Wood Products INC | Montclair | CA | — | ◇ UNVERIFIED |
| Industrial Wood Products, INC | Reno | NV | — | ◇ UNVERIFIED |
| IPIndustry Pole and Piling, LLC | Goodwater | AL | — | ◇ UNVERIFIED |
| IWInferno Wood Pellet, INC | East Providence | RI | — | ◇ UNVERIFIED |
| IWInfinity Wood Floors LLC | Crandon | WI | — | ◇ UNVERIFIED |
| IWIngrained Wood Studios INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| IIInnerspace Industries INC. | Fresno | CA | — | ◇ UNVERIFIED |
| IWInnovative Woodworks INC | Union City | CA | — | ◇ UNVERIFIED |
| ISInplace Studio INC | La Jolla | CA | — | ◇ UNVERIFIED |
| IWInstantheat Wood Pellets, INC. | Addison | NY | — | ◇ UNVERIFIED |
| IPInstant Products INC. | Louisville | KY | — | ◇ UNVERIFIED |
| IWIntegrated Wood Components, INC. | Deposit | NY | — | ◇ UNVERIFIED |
| IWIntegra Woodworks, INC. | Midfield | AL | — | ◇ UNVERIFIED |
| ICIntegrity Cabinets, LLC | Lineville | AL | — | ◇ UNVERIFIED |
| IUInterfor U.s. INC. | Monticello | AR | — | ◇ UNVERIFIED |
| IUInterfor US INC | Georgetown | SC | — | ◇ UNVERIFIED |
| IUInterfor US INC | Molalla | OR | — | ◇ UNVERIFIED |
| IUInterfor U.s. INC. - Thomaston | Thomaston | GA | — | ◇ UNVERIFIED |
| ICInterior Components Group, Inc. | Saint Cloud | MN | — | ◇ UNVERIFIED |
| IWInterior Wood Specialties Inc | High Point | NC | — | ◇ UNVERIFIED |
| IPIntermountain Pallet Company LLC | Hyde Park | UT | — | ◇ UNVERIFIED |
| IBInternational Business Materials LLC Dba International Wood Products LLC | Cloverdale | CA | — | ◇ UNVERIFIED |
| ICInternational Closet Center, Inc | Medley | FL | — | ◇ UNVERIFIED |
| ICInternational Closet Center, Inc. | Medley | FL | — | ◇ UNVERIFIED |
| ICInternational Closet Center INC | Medley | FL | — | ◇ UNVERIFIED |
| IFInternational Floors of American Centiva | Florence | AL | — | ◇ UNVERIFIED |
| IIInternational Innovations, INC. D/b/a Int'lhangers | Portland | TN | — | ◇ UNVERIFIED |
| IPInternational Pallets INC | Gardena | CA | — | ◇ UNVERIFIED |
| IPInternational Pallets INC | Tulare | CA | — | ◇ UNVERIFIED |
| IPInternational Paper CO | Yakima | WA | — | ◇ UNVERIFIED |
| IPInternational Paper Company | Gardiner | OR | — | ◇ UNVERIFIED |
| IWInternational Wood Industries INC | Turlock | CA | — | ◇ UNVERIFIED |
| IHInter-state Hardwoods Company, INC | Bartow | WV | — | ◇ UNVERIFIED |
| IRInterstate Resources, INC. | Riceboro | GA | — | ◇ UNVERIFIED |
| IRIOD Retail Displays, LLC | Wyoming | MI | — | ◇ UNVERIFIED |
| IMIoseph Mitissime LLC | Papillion | NE | — | ◇ UNVERIFIED |
| ICIron City Lumber & Pallet INC | Iron City | TN | — | ◇ UNVERIFIED |
| IPIronhouse Pallets LLC | North Ridgeville | OH | — | ◇ UNVERIFIED |
| IUIrritec Usa, INC | Fresno | CA | — | ◇ UNVERIFIED |
| IWIrvine Wood Recovery, INC. | Miamiville | OH | — | ◇ UNVERIFIED |
