All M Brands
- M Missoni
- M&F Western
- M&F Western Kids
- Maaji
- Maaji Kids
- MACKAGE
- Mad Engine Kids
- Madden by Steve Madden
- Madden Girl
- Maddie by Maddie Ziegler
- Madewell
- Maggy London
- Magicsuit
- Magna Ready
- MagnaClick
- Magnanni
- Maidenform
- Maidenform Girls
- Maison Du Soir
- Majestic Filatures
- Mammut
- manduka
- MantraBand
- Marc Fisher
- Marc Fisher LTD
- Marc Jacobs
- Marc New York by Andrew Marc
- Marchesa
- Marchesa Notte
- MARINA
- Mark Nason
- Marmot
- Marmot Kids
- MARNI
- Marsell
- Martin Dingman
- Maryam Nassir Zadeh
- Massimo Matteo
- Matisse
- Matt & Nat
- Mavi Jeans
- Max Studio
- Maxine of Hollywood
- MBT
- MCM
- McQ
- Me Too
- Melissa Shoes
- Mephisto
- Merrell
- Merrell Kids
- MIA
- Mia Kids
- Miansai
- Michael Kors
- Michael Lauren
- MICHAEL Michael Kors
- MICHAEL Michael Kors Kids
- Michael Stars
- Michele
- MICHI
- MIKOH SWIMWEAR
- MILLY
- MILLY MINIS
- Mini Melissa
- mini rodini
- MINKPINK
- Minnetonka
- Minnetonka Kids
- Miraclesuit
- Miraclesuit Shapewear
- Miss Me
- Missoni Mare
- Mitchell & Ness
- Miu Miu
- Miz Mooz
- Mizuno
- ML Monique Lhuillier
- MM6 Maison Margiela
- Mod-o-doc
- Modern Eternity
- Molo
- MONROW
- MOON BOOT
- Moschino
- Mountain Hardwear
- Mountain Khakis
- MUK LUKS
- Munchkin by Stride Rite
- Munro
- Mystery Ranch