Roof Genius
Roof calculator, calculates a detail list of roof materials, and a complete estimate. Two ways to determine roof pitch. Offers tips and how to's on roofing. [Windows 95/98/2000/Me/XP/NT]
http://roofgenius.com/

Lepel Corporation
Lepel inductive capsealing equipment bonds a protective foil seal on plastic and glass containers. This tamper-evident seal eliminates leakage and increases shelf life. We provide the highest quality induction cap sealing avalable.
http://cap-sealing.com

Decra Roof Systems:
Roof coverings using lightweight roof tiles for all roofs down to a ten degree pitch. UK.
http://www.decra.co.uk/

Endur-O-SealUSA, Inc.
EOS - Online Ordering of Concrete sealers, concrete cleaners, repair epoxies, Coatings, and concrete waterproofing products for resurfacing, repair, sealing and protection of concrete surfaces including total algae protection
http://concretesealers.com/

Seamaster Paint Marketing Sdn Bhd
Manufacture and export decorative and industrial paints. Products include enamels, water based acylics, roof sealing pastes, epoxies, and emulsions.
http://www.seamasterpaint.com.my

Ningbo Hengli Packing & Sealing Co.,Ltd.
manufacturer of sealing products, spiral wound gaskets, flexible graphite packing, non-asbestos sealing sheet, Packing Material. Hengli Packing & Sealing Co.,Ltd. is a China based manufacturer/supplier exporting to volume importers worldwide.
http://www.sealing-packing.com

Roof Products, Inc.
Manufacture prefabricated roof curbs and other roof accessories. Products include expansion joints, equipment supports, adapters, and ice deflectors.
http://www.rpicurbs.com/

Roof Coatings Manufacturers Association
Roof Coatings Manufacturers Association (RCMA) represents manufacturers of cold-applied roof coatings and cements. RCMA’s site offers product information and the latest roof coating news.
http://www.roofcoatings.org/

Interface Solutions
Gasket sealing solutions and engineered composite materials
http://www.sealinfo.com

Fibreglass Roof Decking
Roof Decking From Dura Composites Ltd
http://www.roofdecking.co.uk