| IEInland Empire Truss, INC. | Riverside | CA | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| IPInnovative Panel Solutions | Traverse City | MI | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| IOInplant Offices, INC. | Saint Louis | MO | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| IHInterstate Homes, INC. | Whitney Point | NY | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| IHIron Hills LLC | Florence | SC | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| IVIron Valley Modular | Richfield | PA | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| ISIsland Style Homes, INC. | Fort Pierce | FL | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| JVJackson Valley Structures | Monterey | VA | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| JSJersey Shore Shed Builders Inc. | Smithtown | NY | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| JSJohn S. Glick | Loganton | PA | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| JCJohnson Controls Fire Protection LP | Boise | ID | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| JAJonathan a Yoder Dba Outback Rustic Cabins | Dunnegan | MO | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| KGKarsten Gering LLC | Gering | NE | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| KCKeystone Custom Modular | Lavallette | NJ | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| KFKlotter Farms | Ellington | CT | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| KPK P Building Products INC. | Holly Springs | MS | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| KLKrameria LLC | Riverside | CA | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| LCLakeside Cabins, LTD. | Shiloh | OH | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| LPLandmark Painting,inc. | Peoria | AZ | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| LULange Urban Sustainable Homes LLC | Grafton | WI | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| LWLeisure Woods, INC. | Kingston | IL | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| LSLifestyle Sheds & Spaces LLC | Bartlett | TN | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| LLLil' Lodges of Alabama, LLC | Bear Creek | AL | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| LLLim Living LLC | Anaheim | CA | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
 Louisiana-pacific Corporation | Roaring River | NC | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| MSMae Shed & Playground, LTD | Coram | NY | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| MSMae Shed & Playground, LTD | Coram | NY | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| MCManis Custom Builders, INC. | Wilkesboro | NC | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| MDManternach Development CO. | Friendship | WI | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| MDManternach Development CO. | Milwaukee | WI | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| MDMark Dreyer | Sultan | WA | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| MMMast Mini Barns New Facility | Greenville | PA | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| MRMcgrath Remt CORP | Dixon | CA | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| MTModern Tiny Living LLC | Columbus | OH | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| MIMod-set INC. | Brunswick | ME | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| MIModtech INC | Lathrop | CA | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
 Modular Building Systems International, LLC | Apopka | FL | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| MOModular Offices By Action Port | Columbus | GA | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| MSModular Steel Systems INC | Bloomsburg | PA | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
 Modular Structures Int'l INC | Riverside | CA | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| MCMontana Custom Log Homes, INC. | Victor | MT | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| MIMontana Idaho Log and Timber | Victor | MT | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| MSMontana Sundown Dba Rocky Mountain Log Homes, LLC. | Hamilton | MT | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| MWMorgan Willows Homes, LLC | Fernley | NV | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| MSMountain State Log Homes INC | Crawford | WV | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| NENew England Rent to Own, LLC | Albion | ME | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| NSNorthwoods Structures, LLC | Franklinville | NY | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| NINvr, INC. | Thurmont | MD | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| NINwbs, INC. | Boise | ID | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| OPOldcastle Precast, INC. | Littleton | MA | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
