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/

Green Building Council of Australia
Our mission is to define and develop a sustainable property industry for Australia and to drive the adoption if green building practices through market-based solutions.Our objective is to promote sustainable development and the transition of the property industry to implementing green building programs, technologies, design practice and operations.To do this we advance and promote the creation of a green building rating tools, economic incentives, government initiatives and programs, new technologies and industry knowledge.
http://www.gbcaus.org

US Green Building Council
Non-profit organization dedicated to sustainable building design and construction. Developers of the LEED building rating system. Listings of regional chapters.
http://www.usgbc.org

Building Composer
A free, open source, suite of criteria-based building design tools to support architectural programming and conceptual design.
http://bc.cecer.army.mil/

Modular Building Consultants
Modular Building Consultants provides mobile, modular, relocatable, temporary and permanent buildings. Modular Building Consultants builds prefab mobile and modular buildings from standard mobile layouts to complex multi-unit building systems.
http://www.modularconsultants.com/

Building Sciences
Building Envelope Consultants - experts in building envelope design, construction and testing.
http://www.building-sciences.co.uk/

Design Basics Home Plans
Design Basics is the nation’s leading house plan designer for home builders and home buyers. Search our home design library for Craftsman Style Home Plans, French Style Country Home Plans, Country and Farm House Style Home Plans, Victorian Style Home Plans and other Home Styles as well. Find your perfect house plan - search thousands of home plans or have Design Basics customize a new home design uniquely for you. Find your dream house plan online at DesignBasics.com
http://www.designbasics.com/33a-121.asp

Building Science Corporation
Boston-based architecture and building science consulting firm. Site contains many articles about sustainable building practices and guides for house design based on climate type.
http://www.buildingscience.com/

Architectural Energy Corporation
Home Page of Architectural Energy Corporation: Improving building energy performance with products and services.
http://www.archenergy.com

Metal Building Manufacturers Association
Promotes the design and construction of metal building and metal roofing systems in the low-rise, non-residential building and roofing marketplace. Includes affiliations, FAQs, committees, and industry trends.
http://www.mbma.com/