Planet Green helps you go green with sustainable living ideas, energy conservation tips, freecycle info, homemade beauty recipes, & more to make earth day every day.

MAS Certified Green offers emission testing and green certification for green building materials to earn LEED ci credits.

The Metal Initiative provides information for building owners, architects and contractors about the use and selection of metal roofs and walls in commercial, industrial, and institutional buildings. See where metal really shines and learn the specific benetifs afforded by building with metal.

SmartPower is the nations leading non-profit marketing organization dedicated to promoting clean energy and energy efficiency.

Siemens USA provides technology and innovation in the fields of Healthcare, Energy, and Industry and Infrastructure

The industry leader in green building product reviews, news and case studies. Home of Environmental Building News and GreenSpec.

DuPont is a science-based products and services company. Founded in 1802, DuPont puts science to work by creating sustainable solutions essential to a better, safer, healthier life for people everywhere. Operating in more than 70 countries, DuPont offers a wide range of innovative products and services for markets including agriculture and food; building and construction; communications; and transportation.

Since 1904, CertainTeed has supplied excellence in its quality exterior and interior building products. Reliability and performance wrapped in beauty. CertainTeed: building products manufacturer. Quality made certain, Satisfaction guaranteed

Autodesk is a world leader in 3D design software for manufacturing, building, construction, engineering, and entertainment. Since introducing AutoCAD in 1982, Autodesk has developed a broad portfolio of 3D CAD software programs to help users visualize, simulate, and analyze the real-world performance of their designs.