Western Building Material Association
Regional trade association of building material dealers in Alaska, Idaho, Montana, Oregon, and Washington. Includes newsletter, membership details, products and services, and event information.
http://www.wbma.org/

Happy Harry's Used Recycle Building Materials
recycling buildings liquidations reused materials
http://www.happyharry.com/

Physics 8.20: Introduction to Special Relativity
This course introduces the basic ideas and equations of Einstein's Special Theory of Relativity. If you have hoped to understand the physics of Lorentz contraction, time dilation, the "twin paradox", and E=mc2, you're in the right place.
http://ocw.mit.edu/OcwWeb/Physics/8-20January--IAP--2005/CourseHome/index.htm

Polyurethane Building Products
Building Material Supplier, providing High Density Polyurethane building products. Class of products include pediments, entryway systems, pilasters, crossheads, combination series, mouldings, louvers, gable, window Headers, keystones, ceiling centres, dentil Blocks, brackets, corbels and niches. Queensland, Australia.
http://www.polybuild.biz

Understanding Special Relativity
Brief explanation of special relativity, using no more than high-school level mathematics; includes an account of the twin paradox, some remarks on faster-than-light travel, and some material on relativistic mechanics. By Rafi Moor.
http://www.rafimoor.com/english/SRE.htm

Building Material Residential Estimating Software
Esti-Mate makes quick work of blueprint takeoffs and quantity material estimates. FREE DEMO Download! Converts takeoff dimensions from house plans to a detailed itemized list of delivery order quantities. For home builders and the construction products industries.
http://www.eolnow.com/index.html

Institute for Building Materials and Materials Chemistry
The University of Siegen, Germany, works in the interdisciplinary area of building and material chemistry.
http://www.uni-siegen.de/dept/fb08/abteil/bwc/

Earth Building Research Forum
Home page of the Earth Building Research Forum at the Sydney at the University of Technology in Australia.
http://www.dab.uts.edu.au/ebrf/

Ideal Building Material Co Ltd
Chinese manufacturer and exporter of shower enclosures.
http://www.china-ideal.com/

DQ Technologies
Take-off software designed specifically for lumber and building material dealers.
http://www.dqtech.com