This is what I bring with me on location shoots (sometimes not all of it :)
Canon 5D Mark III
EF Canon 85mm f/1.2L II
EF Canon 16-35 f/2.8L II
EF Canon 24-70mm f/2.8L USM
EF Canon 70-200mm f/2.8L II IS USM
EF Canon 100mm f/2.8L Macro USM
EF Canon 40mm f/2.8 STM
EF Canon 50mm f/1.4 USM
Lensbaby Composer 2 Pro, Edge 80, Sweet 35, Double optic 50
Speedlite Canon 580EX II
Sekonic L-758 DR
Phottix Odin remote flash trigger
Profoto B1 (x2)
