http://www.bricsnet.com
2. Citadon
http://www.citadon.com
3. AutoDesk
http://www.autodesk.com
4. Primavera Systems
http://www.primavera.com
5. Construction.com
http://www.construction.com
6. BuildPoint.com
http://www.buildpoint.com
7. BuildOnline
http://www.buildonline.com
8. ASITE
http://www.asite.com
9. BuildersPlanet
http://www.buildersplanet.com
10. BigEquip.com
http://www.bigequip.com