In no particular order:
Oceanic: masks, booties
Apeks: regs
Scubapro: regs, fins
Halcyon: bp/wings, backup lights, SMBs, spool, hose
DIR Zone: SPG
Dive Rite: custom length LP hose
Apollo: fins
Decathlon: wetsuit
Hot Wave: wetsuit
Tilos: hood
Aqua Lung: hood (5mm)
Mares: gloves
Salvo: canister light
Dive Xtras: X-shorts
Underwater Kinetics: light
UWATEC: computer
Deep Sea Supply: computer mount
Suunto: compass
Oceanic: masks, booties
Apeks: regs
Scubapro: regs, fins
Halcyon: bp/wings, backup lights, SMBs, spool, hose
DIR Zone: SPG
Dive Rite: custom length LP hose
Apollo: fins
Decathlon: wetsuit
Hot Wave: wetsuit
Tilos: hood
Aqua Lung: hood (5mm)
Mares: gloves
Salvo: canister light
Dive Xtras: X-shorts
Underwater Kinetics: light
UWATEC: computer
Deep Sea Supply: computer mount
Suunto: compass