Not possible. 36 brands I use at the moment (not every product though) and no one company can supply it all
My garage is a meguiars free zone too. doesn't cut the mustard in my opinion. overrated
Best I can offer for this thread is
Compounds & polishes - Menzerna
Soft polishes - sonus, clearkote, four star, wolfgang, poorboys, autoglym, dinitrol
Finishing polishes/cleansers/glazes - clearkote, four star, p21s
clay - diamondite, clay magic, four star
Shampoo - 1Z, four star, optimum, DP, wolfgang, sonus
QD - menzerna, DP, four star, clearkote, wolfgang, pinnacle
clay lube - QEW & AIO with distilled water, evercoat lubri shine
Exterior trim - clearkote,autoglym, wolfgang, klasse, 1Z, PB
glass polishing - diamondite,detailers pride, autoglym, 1Z
Tyres - wolfgang,DP (old and new)
Metal polish (wheels etc) - P21s polishing soap
leather - four star, omikron, pinnacle, sonus
interior vinyl - wolfgang, blue magic, poorboys, lanotec, 1Z
sealant - klasse, menzerna, four star, poorboys, wolfgang, DP, dura glaze, omikron
wax - collinite, p21s,clearkote,omikron