- Melissa Simone Kowalewski
- Men's Barber Lounge
- Meraki Room
- Mercedes Benz Of Chicago
- Mercedes Benz Of Chicago
- Mess Marketing
- Metalco, INC.
- Metamorph Studios
- Metaphrasis Language & Cultural Solutions, LLC.
- Metro By T-mobile
- Metro Self Storage
- Metropolitan Automan
- Mhealthcoach
- Michael A. George
- Michael Collins
- Michael Del Piero Good Design, LLC
- Michael Kiriazis
- Michalik Funeral Home, INC.
- Michelle Hayward
- Michelle Hirschtritt
- Micmos Studios
- Midcity Engineering
- Midway Building Services, LTD
- Midway Moving & Storage, INC.
- Midwest Academy For Gifted Education, NFP
- Midwest Hauling Group INC.
- Midwest Outdoor Skills Training
- Miguel Angel Ozuna
- Mike's Furniture
- Mild Sauce Apparel
- Mildblend INC.
- Milk & Honey Cafe
- Miller's Eureka INC
- Millys Pizza In The Pan
- Milwaukee Furniture
- Mindful Goods
- Minds Matter Of Chicago
- Mindy's Bakery LLC
- Minerva Carlos
- Minilux Nail Salon
- Mintropy
- Mirai Sushi
- Mirella's Tavern
- Misano
- Mische
- Misobunnycafe
- Miss Nyet Publishing, LLC
- Mississippi Management, LLC
- Mister Tiger
- Mitir Patel
- Mixmatch Lighting
- Mixteco Grill #3 LLC
- Mmd Bridge Chicago LLC
- Mme, LLC
- Mn Construction Co. INC
- Mo2 Properties LLC
- Modern Asian Kitchen
- Modern Gentlemen Salon
- Modern Relish
- Modern Research Solutions LLC
- Modo Grappling Academy
- Moe Mattress
- Mohop
- Moira & Company
- Mojo Spa LLC
- Mokin Investments LLC
- Molly
- Molly Maid Of The Gold Coast And Near North
- Moloko Ukranian Festival
- Mon Lung Chop Suey
- Monacure Nail And Beauty Shop
- Monarch Catering Company
- Mongerson Galleries INC.
- Monica Jarava
- Monica Martina Vargas
- Monique Meloche Gallery INC.
- Montanamilan , LLC
- Montessori Magpie
- Moonlight Studios, INC.
- Morgan Garleff
- Morgan Manufacturing
- Mosaic Music
- Motivate International INC.
- Mott St.
- Move Along Coffee LLC
- Mr. Brown's Lounge
- Mr. Dave Music, LLC
- Mr. Kite's Chocolate
- Mr. P Beverage Depot
- Mr. Taco's Restaurant
- Mu Gallery
- Muddy Mutts
- Mulberry & Me
- Multiservicios Loremex 2
- Mundo Latino #2
- Municipal Foods
- Muse Community + Design
- Muse Laser Spa
- Music House
- Mutz
- Muzyka Funeral Home
- Mvo Hair
- Mvp Cuts Barber Shop
- My Concept Room
- My Rescue Marketing, INC.
- Myeyedr.
- Myopic Books
- Myopic Books
- Mysha INC.
- Mythical Smokes
- N - Fagin Books
- N/a
- N/a
- Nabi Cleaner
- Nadc Burger
- Nadc Burger / Sushi By Scratch Restaurants: Chicago
- Nail By J
- Nail Force One LLC
- Nail Lashes Studio
- Nailacarte Wicker Park
- Nails Lashes Studio
- Nalini Arantes Design
- Namca Contractors INC.
- Napa Auto Parts
- Natalie Ginele Miller Photography LLC
- Nate Berkus Entertainment, INC.
- Nate Berkus Media
- Nathan Miller
- Nathaniel Boyd Iii
- National Air Duct
- National Museum Of Puerto Rican Arts And Culture
- National Painting, INC.
- Native Foods Cafe
- Natru
- Naty's Pizza #2
- Naveen' S Cuisine
- Ne Plus Ultra
- Near North Montessori School
- Neighborhood Housing Services Of Chicago, INC.
- Neighborly
- Nellies
- Nelly's Cleaners
- Nettare
- Neutron Holdings, INC
- New Century Head Spa
- New China Restaurant INC.
- New China Station
- New Crespo Finer Foods
- New Damen Grand Curren/exchang
- New Orient Spa
- New Orient Spa Ii
- New Style Beauty Salon
- New Village Cleaners
- New Wicker Park Fitness, LLC
- Nexem, INC
- Neybir
- Nhs Redevelopment Corporation
- Nice Twice Resale Shop
- Nicholas S Bianchi
- Nick's Beer Garden
- Nickie Lane LLC
- Nicole Dee Bck, LLC
- Nicole Pullano
- Nicole Silva LLC
- Niczka
- Nightcrawler Studios LLC
- Nikko Sushi Izakaya
- Nikkole Palmatier
- Nildas Place
- Nina Chicago
- Nine Times Bakery
- Nini's Deli
- Nino's Barber Shop
- Nivia Red Hot Chicago
- No Bones Beach Club
- Noble Day Care
- Noble Network Of Charter Schools
- Noble Street Pantry, INC.
- Noble Thai
- Noella's Salon Space
- Noil Petroleum Corporation
- Nomobo Salon
- None
- Norcon INC
- Nori Sushi Chicago
- Norma I. Chillogalli
- Normal
- North & Elston Bp
- North & Paulina Cleaners
- North American Asset Management Inc.,
- North Avenue Animal Hospital
- North Avenue Animal Hospital
- North Sails Group, LLC
- North Shell
- North Side Appliance Services
- North Wood Cleaners
- Northside Community Healthcare
- Northwestern Travel And Visa Bureau Incorporated
- Northwestern University Settlement Association
- Northwestern University Settlement House & Vittum Theater