Colgate
Right Guard
Goobers
Ivory/Irish Spring
BMW
Adidas
Whittaker’s chocolates
Beefeaters
Gillette
Blizzard
nVidia
AMD
CORSAIR
Crest toothpaste
Coca-Cola
Sure deodorant
Kraft cheese
Campbell’s soups
Irish spring (sometimes Dial)
Fresh Step cat litter
Hewlett-Packard printers
Apple Computers
Coca-Cola (Diet Coke specifically)
American Licorice (Red Vines, Red Ropes)
David (Sunflower Seeds)
Nintendo
Dr Pepper
Heinz Ketchup
Purina Cat Chow (For the cats, not me.)
Everything else is up to the sale price.
Kettle chips
MAC lipstick
Lee jeans
Danone Fruit Corner yoghurt
Nike shoes
Gillette Mach 3 razors
Wal-Mart
Taco Bell
Microsoft
Oh wait… nevermind, my mistake. q;}
For me, I wish!
Sea Breeze (astringent)
Aveeno Shave Gel
Stouffer’s stuffing
It was Diet Coke until I quit last month. Now I’m loyalty free.
Apple Computer
Old Spice (deodorant)
Jeep
DWC1970 said, “Irish spring (sometimes Dial)”
Rest assured we will NEVER shower together! 
Q-Tips
Classico spaghetti sauce
Bacardi
Craftsman
Crest toothpaste
Clean Shower shower spray
Diet Coke
Beyond that, I pretty much purchase based on price or whim.
Levi’s
Reebok
Suave - Haircare stuff
Saturn
Mennen
Polo
Colgate
Pepsi
Reebok (for shoes)
Marks & Spencer (British apparel store)
Honda
KC Masterpiece BBQ sauce
Diet Coke