Where can I find manufacturers of prefabricated wood connectors?

• Simpson Strong-Tie Company, Inc.
  4120 Dublin Blvd., Suite 400
  Dublin, CA 94568
  
  Phone: (925) 560-9000
  Fax: (925) 833-1496
  Website: http://www.strongtie.com/
  
  USP Lumber Connectors
  formerly: Kant-Sag and
  United Steel Products Company NO LONGER manufacturers Split Rings
  Construction Hardware
  703 Rogers Drive
  Montgomery, MN 56069
  
  Phone: (800) 328-5934 or (507) 364-8762
  Website: http://www.uspconnectors.com
  
  Cleveland Timber Connectors
  Cleveland Steel Specialty Company
  26001 Richmond Road
  Bedford Hts., Ohio 44146
  
  Phone: 216-464-9400
  Toll Free: 800-251-8351
  Fax: 216-464-9404 f
  Website: http://www.clevelandsteel.com/
  
  Timber Systems
  http://www.timsys.com/html/wood_connectors.html