My drop shipper Printful collaborates with the following brands:

adidas
Atlantis

American Apparel
Anvil Apparel
Bella + Canvas
BagBase
Beechfield Hats
Big Accessories
Champion
Cotton Heritage
District
Econscious
Flexfit
Gildan
Jerzees
Kustom Kit
LAT Apparel
Liberty Bags
Next Level Apparel
Otto Cap
Port Authority
Rabbit Skins
Sport-Tek
Sportsman
Stanley/Stella
Tultex
Yupoong