I do pro detailing on the side and compete in several car shows, so needless to say, I have a lot, and am picky as hell.
Washes:
Four Star Ultimate Auto Wash
Poorboys World Super Slick and Suds
Meguiars NXT Wash
Meguiars Gold Class Wash
Compounds and Swirl Removers
Poorboys World Super Swirl Remover #1
Poorboys World Super Swirl Remover #2
Poorboys World Super Swirl Remover #2.5
Poorboys World Super Swirl Remover #3
3M Pro Ultra Cut Rubbing Compound
3M Finesse it Compound
Meguiars Scratch X
Meguiars Color X
Kit Scratch Remover
Paint Cleaners and Prep
Klasse All In One
Four Star Ultimate Paint Cleanser
Meguiars Deep Crystal Paint Cleanser
Waxes and Sealants
Four Star Ultimate Paint Protection
Poorboys World EX
Poorboys World EX-P
Poorboys World Natty's Paste Wax
Poorboys World Pro Polish
Meguiars NXT
Meguiars Gold Class
Meguiars #26
S100 Paste Wax
Turtle Wax Platinum
Mothers Carnauba Cleaner Wax
Mothers Pure Carnauba wax
Zymol Cleaner Wax
Eagle One Nano Wax
Auto Magic Bananna Wax
Quick Detailers / Waterless Washes
Poorboys World Spray & Wipre
Poorboys World Spray & Gloss
Poorboys World QD+
Four Star Ultimate Gloss Enhancer
Adams Detail Spray
Chemical Guys Pro X1 Detailer + Carnauba
Tire and Trim Dressings
AutoMagic #65
AutoShine Bubble Gum Dressing
Meguiars Endurance Gel
Vroom Tire Dressing
Meguiars Plastic-X
CD2 Engine Detailer
Interiors
Poorboys Spray & Wipe
Poorboys Natural Look
Woolite
Oxy Clean
Chemical Guys Air Fresheners
Glass
Stoners Invisible Glass
Poorboys Spray & Wipe
De-greasers
Simple Green
CarQuest Purple Degreaser
CD2 Engine Cleaner
Car Brite Hot Stuff
I still have quite a bit more that I did not list, as I need a wide variety, and always try different products.
I also own both a Rotary Buffer and a Porter Cable Dual Action Polisher; as well as a huge Bissel Carpet Shampoo Machine.