More on Buy Blue
Just thought it would be fun to list some of the more popular companies that buyblue.org categorizes as 100% (or almost 100%)blue or red (gives exclusively to one party or the other):

100% Blue:
Apple Computers (99%)
Barnes & Noble
Bed, Bath & Beyond (97%)
Costco (99%)
FootLocker
Fredericks of Hollywood (who woulda thunk it? The Hustler store is not rated yet)
Google!!!!
LL Bean (97%)
Loews Hotels
Powell's Books
Progressive Insurance (well, duh)
Starbucks

100% Red:
Best Buy
Fruit of the Loom (tee hee)
Hershey (95%)
Kohl's
Lowes
Mickey D's (96%)
Nordstrom
Outback Steakhouse (98%)
PETsMart
Russell Stover
Starwood Hotels (Sheraton)
Urban Outfitters (94%)
Wendy's (94%)

Interestingly, Trader Joes, Whole Foods and Wild Oats markets all come in at 50%. - served up by Ralphie @ 8:39 PM