Top brands at Harford Mall:
- M&R Technologies
- M&S Systems
- M-Audio
- M.D. Forte
- Mac Vision
- Macally
- MacGregor
- Mach Speed
- Mackie
- Macromedia
- Macy's
- Mad Catz
- Mad Waves
- Madame Alexander
- Madge
- Madison Harding
- MAG Innovision
- Magdesians
- Magellan
- Magic Chef
- Magic Silk
- Magicard
- MagicTan
- Magnalite
- Magnavox
- Maidenform
- Maimeri
- Majamas
- Majestic
- Majestic Athletic
- Major Metalfab
- Majorica
- Makita
- Malata
- Malia Mills
- Malizia
- Malo
- Mamiya
- Mane 'N Tail
- Manhattan Portage
- Manhattan Toy
- Manolo Blahnik
- Mansilk
- Manttra
- Maple Landmark
- Mapopolis
- Marantz
- Marc Ecko
- Marc Jacobs
- Marc Shoes
- Marcel Drucker
- Marcello Toshi
- Marcus Berkner
- Marie Osmond
- Mariella Burani
- Markers Inc.
- Markwort
- Marlo
- Marmot
- Marni
- Marshall
- Marshall Browning
- Martex
- Martha Stewart
- Martinez Valero
- Marvel
- Marvy
- MarWare
- Mary Green
- Mary Jane
- MASA
- Masada
- Masini Gioielli
- Mason Pearson
- Mass Multiples
- Massagenius
- Master Lock
- Masterbuilt
- Mastercare
- Matchbox
- Matfer
- Matias Products
- Matisse
- Matrix
- Matrix Hair Care
- Mattel
- Matthew Williamson
- Matthews Fan Company
- Mauboussin
- Maui Jim
- Maurice Lacroix
- Mauviel
- Maverick
- Mavi
- Max Mara
- Max Studio
- Maxam
- Maxell
- Maxent
- Maxfli
- Maxicam
- Maxim
- Maximatic
- Maximus Fitness
- Maxx New York
- Maytag
- Maytex Mills
- MBS Mountainboards
- McAfee
- Mcarthur Sports
- McCulloch
- McDavid
- MCE Technologies
- Mcklein
- McNett
- MD Formulations
- MD Skincare
- Me&ro
- Mebco
- Meco
- Medana
- Mederma
- Media Sciences
- Mediafour
- Medicool
- Medima
- Medion
- Medium Design Group
- Megatech
- Mehaz
- Melissa & Doug
- Melitta
- Memorex
- Memory Company
- Mephisto
- Mercury
- Mercury Luggage
- Merrell
- Merz Pharmaceuticals
- Metal Fusion
- Metolius
- Metropolitan Vacuum Company
- Metz
- Mexx
- Mezlan
- MGA
- Michael Aram
- Michael Dawkins
- Michael Graves
- Michael Kors
- Michael Michael Kors
- Michael Simon
- Michael Stars
- Michel Perry
- Michele Watches
- Michelle K
- Micro Innovations
- Micro Solutions Enterprises
- MicroBoards
- MicroMat
- Micron
- Microplane
- Microsoft
- Microtech
- Microtek
- MidiLand
- Mido
- Midwest
- Miele
- Mighty Grip
- Mikasa
- Mikimoto
- MiLAN Technology
- Milazzo Industries
- Milliken
- Milton Bradley
- Milwaukee
- MindBodyBliss
- Minka Aire
- Minnetonka
- Minox
- Mintek
- Mirage
- Miramar Systems
- Mirro
- Miss Sixty
- Mission
- Missoni
- Mitchell & Ness
- Mitre
- Mitsubishi
- Mitsushiba
- Miu Miu
- Mizuno
- mobiBLU
- Mobile Action
- Mobile Authority
- Mobile Edge
- Mobility Electronics
- Moda Spana
- Mode De Vie
- Modern Organic Products
- Modern Vintage
- Mohawk
- Moisturel
- Molex
- Molten
- Molton Brown
- Momeni
- Momo
- Monarch
- Monark
- Mondaine
- Monet
- Mongoose
- Monivision
- Monroe
- Monster Cable
- Mont Blanc
- Montana Silversmith
- Monte Carlo
- Montgomery Ward
- Montrail
- Montres de Fleur
- Morpier Firenze
- Mosaic
- Moschino
- Mossimo
- Motherhood Maternity
- Motion Computing
- Motiv
- Motorola
- Motown Tress Wigs
- Mountain Hardwear
- Mountainsmith
- Mounted Memories
- Movado
- Movincool
- Moyna
- MPAC
- MPC
- MPIO
- Mr BarBQ
- Mr. Longarm
- MSI
- MTX
- Muck Boot
- Mudd
- Mulberry
- Mulholland Brothers
- Multisports
- Munro
- Murad
- Murata
- Muratec
- Muro
- Murray Feiss
- Murtosa
- MuscleTech
- Muse
- Mushkin
- Music.Pro
- Musica
- Mustek
- Mustela
- My Michelle
- Mylec
- Myrurgia
- Myson
- Mystery
- Mytek
- M·A·C
