Collaboration Websites are hot, and more are popping up every day. Here are some you can see at AEC Systems 2000.

24/7 Software
	Advanced Construction Technologies
BidCom, Inc
	buzzsaw.com
Cephren, Inc.
	Collaborative Structures, Inc.
Cubus Corporation
	DesignArchitecture.com
e-Builder
	e-idc.com
Punch Networks
	Resource International, Inc.
TSA/ADVET