Cannondale (frame, stem, fork, seatbag)
FSA (headset, handlebars, seatpost)
Shimano (chain, FD, RD, cassette, STI, brakes, brake cables, housing)
Kool Stop (pads)
Look (pedals)
Vision Tech (aerobars)
fi`zi:k (saddle)
Mavic (wheels, hubs, spokes)
Deda (bar tape)
Bontrager (bar end caps)
TruVatiV (crankset, BB)
Cat Eye (computer)
YPK (derailleur cables)
Zero Components (bottle cages)
Polar (bottles)
Casio (watch)
Bell (helmet)
Pearl Izumi (gloves, shoes)
Rudy Project (glasses)
Sabona (bracelet)
Champion (socks)
Louis Garneau (jersey)
Hutchinson (tires)
Performance (shorts, CO2, tubes)
Sporto (?)(tire levers)
Motorola (cellphone)
Kershaw (assisted opener knife)
Glock (concealed carry handgun)
Winchester (tear gas)
Taser (taser)

Just kidding about the last 4.

Gitane road bike
Shimano (sora group + shimano gloves)
Schwalbe (tire)
Zefal (mudguard & lube)
Cateye (lights)
Sigma sport (computer)
Kool stop (brake pads)
Decathlon (bottle cage)

Columbus + my hands (frame)
Chris King
Easton (fork, bars)
Cinelli (bar tape)
Velox (rim tape)
Thomson (stem+post)
Campy (wheels, gruppo, pedals, pretty much everything else)
Conti
Salsa (tubes)
Specialized h20 bottle (says chris king on it, but we know better)
Topeak
Crank bros
The United States mint
The California DMV
Carnac
Giro
Oakley
Castelli, etc.
Defeet
Dumonde Tech
Axe Body spray
Apple
Samsung Cellular phones
Polar

PS
I don't even want to start thinking about my kit for commuting....

Hmm, let's see... going roughly top down:
Specialized
Shimano
Jagwire
Cateye
Fizik
Jandd
Crank Brothers
Genuine Innovations
Zero Gravity
Girs
Michelin
Alex
Generic replacement spokes
Generic inner tubes
Generic water bottle with bike store imprinted
Ritchey

Clothes:
Adidas
Hincape
Giordana
Specialized
Easy Laces
Shimano
Pearl Izumi
Serfas

Hm...

On the bike:

Specialized
Vetta
Alex
Shimano
Gerolsteiner/Enervit water bottle
Planet Bike
REI

On me:

REI - jacket and cycling tights
Smartwool
Starter (base layers)
Specialized (shoes)
Pearl Izumi
Sun Dog
Bell
Sugoi

Intense
Mavic
Continental
Reynolds
Easton
Ritchey
Cane Creek
Shimano
Salsa
Selle Italia

Dream:

Colnago
Shimano
Easton
Selle Italia
Mavic
Sigma Sport
Elite
Continental
FSA
Topeak

Okay, let's see if I can get all this without forgetting anything...

Bike:
Kestrel (Frame and Fork)
Shimano (Groupo)
Selle Italia (Saddle)
Speedplay (Pedals)
Bontrager (Stem)
Giant (Seat post & Bottle Cages)
Specialized (Handlebars)
FSA (Cranks & Headset)
Velocity (Rims)
American Classic (Front Hub)
Tune (Rear Hub)
DT Swiss (Spokes)
Pedros (Saddle Bag)
Cinelli (Cork Tape)
Polar (Speed/Cadence Sensors)
SRAM (Powerlink)
Salsa (Skewers)

(Can you tell I built my own bike?)

Clothing:
Nalini (Jersey, Shorts and Gloves)
Trek (Helmet)
Sock Guy (Socks (duh))
Sidi (Shoes)
Polar (HRM Strap)
Oakley (Sunglasses)

Yesterdays ride:

Schwinn
Campagnolo
Cinelli
Velox
Christophe
Binda
Fiamme
DT
Veloflex
Regina
Brooks
Detto Pietro

Todays ride:

Dean
Campagnolo
Easton
Chris King
Cinelli
Mavic
Wheelsmith
Veloflex
KMC
Terry
Pearl Izumi

Over thirty years of new and improved technology on the bike I rode today, yet the same 32 mile hilly course took just as long.

Hmm mine is short, only been into biking for 72 hrs!

Bike:
LeMond(frame)
Shimano(groupo)
Bontrager(Fork,Stem, Saddle and Wheels)
Look (Pedals)
Trek (Bottle & Cage)
Wrench Force(Mini Pump)
Cateye (Comp.)

On Me:
Pearl Izumi (Gloves)
DeFeet (Socks)
Northwave (Shoes)
Voler (Shorts)
Louis Garneau (Jersey)
Tirreno (Helmet)
Oakley (Sunglasses)

As you can see I have no concept of brand allegiance!