- Metropolitan Grill
- Metropolis Resort
- Meural
- Mexicrate
- Mezlan Warehouse
- Meyda Store
- Michele Franzese (US)
- Michelle Mason
- Mickey Monthly
- Michi
- Microchip
- Micro-Mark
- MicroTouch Solo
- Midway
- Midland
- Midwest Grow Kits
- Mifold
- Mielle Organics
- Mignonne Gavigan
- Mikimoto America
- Mikoh
- Mike's Cigars
- Milagros
- Military Tee Times
- MiLi Pure Spray
- Milk and Honey
- Miller Lite
- Miller's Smorgasbord Restaurant
- Miller's Ale House
- MiMedia
- Mimijumi
- Minado
- Mindful Meal
- Mindomo
- MindSHIFT Online
- Mindfulness Box
- Mineplex
- Mineola Hat Store
- Mini Luxe
- Mineral Tiles
- Mini Throw Balls
- Minimalism & Co
- Minibar Delivery
- Minn Kota Motors
- Minimo Skincare
- Mint Julep Monograms
- Miracle Baby Usa
- Miracle Blades
- Miracle Ear
- Miraval Resorts
- Mirthee
- Misha Collection
- Miss Holly
- Miss Hosting
- MissFoxShop
- Mission Critical
- Miss Circle
- Missoni
- Mitchell's Steakhouse
- Miu Miu
- Mitten Crate
- Mix and Matchbox
- Mixed Bag Designs
- MixCups
- Mixed Spark
- Mixonic
- Mixed Chicks
- Mizzfit
- Miz Mooz
- Mizzou Tigers
- MJR Digital Cinemas
- MLB TV
- MM LeFleur Bento
- Mobicip
- Mobile Advance
- Mochi Things
- ModaBox
- Modchipcentral
- Model Management
- Mode Sportif