Associations
North East Roofing Contractors Association www.nerca.org
National Roofing Contractors Association www.nrca.net
Scarborough Chamber of Commerce www.scarboroughcrossroads.org/chamber/

Manufacturers
Atas International www.atas.com
Berridge Metals www.berridge.com
Carlisle SynTec www.Carlisle-SynTec.com
Certainteed www.Certainteed.com
Duro-last www.duro-last.com
Firestone www.Firestonebpe.com
Garland www.garlandco.com
Johns Manville www.jm.com
MBCI www.mbci.com
Peterson Aluminum www.pac-clad.com 
Versico www.Versico.com
Wasco www.wascoskylights.com