| Blue Spruce Toolworks | www.bluesprucetoolworks.com |
| Daed Toolworks | www.daedtoolworks.com |
| Diefenbacher Tools | www.diefenbacher.com |
| Garrett Wade | www.garrettwade.com |
| Highland Woodworking | www.highlandwoodworking.com |
| Lie-Nielsen | www.lie-nielsen.com |
| Woodcraft | www.woodcraft.com |
| African Blackwood Conservation Project | www.blackwoodconservation.org |
| Cites.org | http://cites.org/ |
| National Hardwood Lumber Association | www.nhla.com |
| Forest Products Society | www.forestprod.org |
| Wood Database | www.wood-database.com |
| American Hardwoods | www.hardwoodinfo.com |
| Hobbithouse | www.hobbithouseinc.com |
| Nelson Wood | www.nelsonwood.com |
| Center for Furniture Craftsmanship | www.woodschool.org |
| Guild of American Luthiers | www.luth.org |
| International Wood Collectors Society | www.woodcollectors.org |
| American Woodworker | www.popularwoodworking.com |
| Fine Woodworking | www.taunton.com/finewoodworking |
| Rare Woods SA | www.rarewoods.co.za |