I am all over the place....
Tow Boats - Nautique
Mountain Bikes - Santa Cruz
Road Bikes - Trek
Golf - Ping(irons), Cobra(woods), Titleist(putter), Bridgestone(balls)
Fly Rods - Winston
Yard Equipment - Toro
....I'm on my 2nd Boxer(dog) and Dodge Truck, so maybe I have some brand loyality there as well....