National roofing Contractors Association
http://www.nrca.com

Certainteed Corp
http://www.certainteed.com

CT Better Business Bureau
http://www.connecticut.bbb.org

Cedar Shake and Shingle Bureau
http://www.cedarbureau.org

Beacon Sales
http://www.beaconsales.com

Meeker Cedar Products Ltd.
http://www.meekercedar.com