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Royal Group Companies:
Plastic Trends: www.plastictrends.com
Royal Building Products:
www.royalbuildingproducts.com
Royal Building Systems: www.rbsdirect.com
Royal Crown Ltd.: www.royalcrownltd.com
Royal Custom Profiles: www.royalcustomprofiles.com
Royal Group, Inc.: www.royalgrouptech.com
Royal Mouldings: www.royalmouldings.com
Royal Outdoor: www.royaloutdoor.com
Thermoplast: www.thermoplast.com
Associations
Canadian Institute of Plumbing & Heating: www.ciph.com
Uni-Bell PVC Pipe Assoc: www.uni-bell.org
CSA International: www.csa-international.org
ASTM: www.astm.org
Amer. Water Works Assoc: www.awwa.org
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