Eurostair
Eurostair manufactures spiral staircases that sets a new staircase standard to fire escapestairs and stairways...
http://www.eurostair.com/

Railcraft USA Inc.
Aluminum glass and picket railings for decks, patios, stairs and balconies. Railcraft manufactures standard and custom aluminum powdercoated railings and windwalls. International Sales.
http://www.railcraftusa.com/

Jomy Safety Products Inc.
JOMY provides a complete line of fire escapes and access solutions. The product line includes collapsible ladders, fire escapes, stairs, counter-balanced stairs, window well ladders and counter-balanced ladders. All constructed of custom aluminum profiles and stainless steel fasteners.
http://www.jomy.com/

Duradek (Canada) Ltd
Duradek waterproof vinyl membrane flooring. Permanent waterproof protection for decks, patios & balconies. Durarail powder coated aluminum railings. Maintenance-free. No rust, rot or peel. Aluminum & glass design.
http://www.duradek.com/

Millers Custom Metals
Fabricators of custom designed metal staircases, handrails and balconies offering ornamental scrolls, baskets and pickets for custom home builders
http://www.millerscustommetals.com/

Cascades Re-plast Corporation
Cascades Re-plast is a recycled plastic lumber manufacturer for decking boards, patios and balconies. Also site furnishings : park benches and picnic tables.
http://www.cascadesreplast.com

Green Home Building
Greenhomebuilding.com focuses on sustainable architecture, natural building, solar energy, ecology, water and forest conservation, recycling, greenhouses, adobe, cob, strawbale, cordwood, papercrete, earthbag and vernacular architecture, with related resources of books, videos and links.
http://www.greenhomebuilding.com

Bethlehem Precast
Precast concrete products offered by Bethlehem Pre-Cast, Inc. for both commercial and residential uses
http://www.bethlehemprecast.com

Lung Hung Enterprise Co. Ltd.
Taiwan. Specializes in wrought iron work. Products include handrails, railings, gates, balconies, grills, and sculptured handles, doors, tables, and screens.
http://www.wroughtirons.com

Whole Building Design Guide
Web portal for building-related information with a "whole building" focus provided by the National Institute of Building Sciences. Areas include Design Guidance, Project Management, Operations and Maintenance, Mandates and References, and Tools.
http://www.wbdg.org/