A list of lumber grading rules writing organizations certified by the American Lumber Standards Committee (ALSC) is provided below.
- NELMA. Standard Grading Rules for Northeastern Lumber; published by the Northeast Lumber Manufacturers Association (NELMA), 272 Tuttle Road, P.O. Box 87A, Cumberland Center, ME 04021; 207.829.6901; 207.829.4293 (fax); e-mail info@nelma.org
- RIS. Standard Specifications for Grades of California Redwood Lumber; published by the Redwood Inspection Service (RIS), 1500 SW First Avenue, Portland Oregon 97204-2122; 503.224.3930; 503.224.3934 (fax); e-mail info@wwpa.org
- SPIB. Standard Grading Rules for Southern Pine; published by the Southern Pine Inspection Bureau (SPIB), 4555 Spanish Trail, Pensacola, FL 32504; 850.434.2611; 850.434.1290 (fax); e-mail spib@spib.org
- PLIB/WCLIB. Standard Grading Rules for West Coast Lumber; published by the Pacific Lumber Inspection Bureau (PLIB/WCLIB); 1010 South 336th Street, Suite 210, Federal Way, WA 98003; 253.835.3344; 253.835.3371 (fax); e-mail info@plib.org
- WWPA. Western Lumber Grading Rules; published by Western Wood Products Association (WWPA); 1500 SW First Avenue, Portland Oregon 97204-2122; 503.224.3930; 503.224.3934 (fax); e-mail info@wwpa.org
- NLGA. Standard Grading Rules for Canadian Lumber; published by the National Lumber Grades Authority (NLGA); Suite 303 – 409 Granville St., Vancouver, BC V6C 1T2; 604.673.9100; 604.673.9141; e-mail info@nlga.org
For the most up to date information see: