Here's a pretty good list of targets, for whatever actions people have planned. Many of these companies would make good targets for protest in just about any city.
SUPPORTERS LIST (as of November 1, 1999)
Emerald Level ($250,000)
Allied Signal/Honeywell
Deloitte & Touche
Extreme Networks
Ford Motor Company
General Motors Corporation
Microsoft Corporation
Nextel Communications
State of Washington
The Boeing Company
U S WEST
Diamond Level ($249,999-$150,000)
Activate.net
United Parcel Service
United Technologies Corporation
Weyerhaeuser Company
Platinum Level ($149,999-$75,000)
AT&T
Bank of America
Columbia Resource Group
Expeditors International
Hewlett-Packard Company
Joseph E. Seagram & Sons
Preston Gates & Ellis
Procter & Gamble
The Production Network
The Workshop
Gold Level ($74,999-$25,000)
APCO Associates
Business Wire
Caterpillar
Cisco Systems
Digital Seattle
Federal Express Corporation
Frank Russell Company
IBM
Lucent
Lufthansa
PACCAR
Port of Seattle
Skyway Luggage Company
U.S. Bank
Silver Level ($24,999-$10,000)
APL Limited
Bethlehem Steel
Gray Line of Seattle
Intel Corporation
Northwest Airlines
Northwest Horticultural Council
Perkins Coie LLP
Port of Tacoma
Sandler, Travis & Rosenberg, P.A.
Seattle Chocolate Company
Thistle Press
Washington Wine Commission
United Airlines
Xerox Business Services
Bronze Level ($9,999-$5,000)
American Vintners Association
Atlas Air
Chase Manhattan Bank
Chukar Cherry Company
City University
Homelands International Company
Horizon Airlines
Lane Powell Spears Lubersky LLP
Muckleshoot Casino
Renaissance Madison Hotel
S. Martinelli & Co.
Starbucks
Union Bank of California
Union Square Limited Partnership
Washington Software Alliance