American Forest & Paper Association
The national trade association of the forest, paper, and wood products industries. Its members are actively committed to preserving the environment through such innovative programs as the 50% Recycling Goal, the Sustainable Forestry Initiative program, and the Environment Health & Safety Principles, while promoting a sound business climate that maintains the industry's competitiveness.

American Institute of Steel Construction, Inc.
A non-profit association representing and serving the structural steel industry in the U.S. Its purpose is to expand the use of fabricated structural steel through research and development, education, technical assistance, standardization and quality control.

Carolinas AGC
The Carolinas chapter of the Associated General Contractors of America. Website includes a contractors and suppliers search tool.

Construction Education.com
Dedicated to the faculty and students of construction programs worldwide as well as the construction industry. This site brings together many different construction web sites for those performing research or just searching for construction information.

Construction Web Links
This site is designed to be the starting point for Web searches by construction industry professionals. It is divided into three main categories: Organizations, Industry Topics, and Resources.

Electronic journal of information technology in construction
A peer-reviewed scholarly journal on the use of IT in construction.

Electronic Library of Construction Occupational Safety and Health
The National Institute for Occupational Safety and Health (NIOSH) is the Federal agency responsible for conducting research and making recommendations for the prevention of work-related disease and injury. It sponsors this electronic collection of information related to safety on construction sites.

Engineered Wood Association
A source of information about engineered wood products for a wide range of applications.

International Code Council
Incorporates Council of American Building officials (CABO). Its purpose is to promulgate a comprehensive and compatible regulatory system for the built environment, through consistent performance-based regulations that are effective, efficient and meet government, industry and public needs.

Modular Building Institute
The international trade association representing Manufacturers, Dealers, and Suppliers of the Commercial Modular Industry.

National Association of Home Builders
Has 182,000 members, including more than 50,000 who build more than 80 percent of all U.S. homes.

National Concrete Masonry Association
The national trade association representing the concrete masonry industry.

National Fenestration Rating Council. Certified Products Directory
Energy performance data for windows, doors and skylights.

National Fire Protection Association
Develops fire, electrical, and building safety codes and standards. Website includes the NFPA Buyer’s Guide and a Directory.

New Buildings Institute
A national collaborative to encourage and support workable energy codes and design guidelines. Contains links to State Code Agencies and Energy Offices, Regional and National Code Groups, and other relevant agencies.

North American Steel Framing Alliance
An interactive on-line source for accurate, up-to-date and valuable information on the use of light gauge steel framing in residential construction.

Roofing Contractor
The virtual version of the only magazine written exclusively for the roofing contractor.

Underwriters Laboratories
An independent, not-for-profit product-safety testing and certification organization. The Online Tools include a certification directory for thousands of products.