NHLA (National hardwood Lumber Association)
WPMA (Wood Products Manufacturers Association)
HMA (Hardwood Manufacturers Association)
AHMA Appalachian Hardwood Manufacturers Association)
NELA (New England Lumberman's Association)

FSC (Forest Stewardship Council)

HDA (Hardwood Distribution Association)

NEKDA (New England Kiln Drying Association)

SFI (Sustainable Forestry Initiative)

Rainforest Alliance

Penn-York Lumberman's Assoc