- Luis Hair Design
- Lula Cafe
- Lulu Beauty Spa
- Lulu's Gift Shop
- Luna Y Cielo Play Cafe
- Luxe Bridal Rack LLC
- Luxestat
- Lylole, LLC
- Lyndale Foods INC.
- M Fishman & Co
- M-square Permit Expediters
- M. Leblanc
- M.r. International INC.
- Mable's Table
- Mabula Ventures, LLC
- Macas Heating & Cooling Services
- Machine Tool Accessories & Mfg
- Made Chicago, LLC
- Magallanes Remodeling, INC.
- Magic Eight Co.
- Magic Electric & Hpac
- Magic Team LLC
- Magic Touch Salon
- Magnolia Audio Video
- Magpie Ink Studio
- Make No Small Things
- Makina Sushi
- Mammoth Poke & Bowl
- Manchamanteles
- Mandy's 1 INC.
- Mano A Mano
- Manuel Garcia
- Maplewood Avenue Partners, LLC
- Maplewood Brewing Company
- Mara G Jozefi
- Marcela's Cafe
- Marcus Design Studio
- Maredi Design
- Mari's Exotic Nailz
- Maria E Vega
- Mariano's #8516
- Marie's Bakery
- Marilu Gomez
- Mariposa Dreamerz LLC
- Mariscos Y Taqueria
- Mark Berlinski
- Martha's Unisex Beauty Salon
- Mary Xiang Photography
- Mary's Beauty Salon
- Mary's Sweets
- Mary's Unisex Hair Styling
- Mary'snow
- Marz Community Brewing Co.
- Master Valet Parking
- Mate & Company
- Mateusz Waksmundzki
- Matthew Gilson
- Matthew Keys
- Matthew Liss
- Mattress Firm # 119166
- Mauritzon INC
- Mavrek Development
- Maygualida Nunez Cebrero
- Mc Construction Group LLC
- Mc Donald's Restaurant
- Mc Donalds # 6771
- Mccathay Timber, INC.
- Mccormick Ymca Preschool
- Mcdonald's
- Mcm Fine Framing
- Mcp Signs & Graphics
- Med Aesthetics
- Mega Cuts
- Megan Zablock
- Megmade
- Meijuri LLC
- Melate Coffee Shop
- Melgood Films LLC
- Mellos Peanut Company
- Men's Spa
- Mendez Cleaning Services Corporation
- Mercedes Brow Bar
- Metal Creations INC
- Metro By T-mobile
- Metta Baby
- Mi Tocaya
- Mia Mora
- Mia's Hair Beauty Salon
- Michael Sanchez
- Michael Simington
- Michaels Stores #1314
- Micro Center
- Mid-city Currency Exchange Exc
- Midan Marketing
- Midas Muffler Corp
- Middle Brow Brewpub LLC
- Midtown Athletic Club And Hotel
- Midwest Appliance Parts
- Midwest Automotive Specialist
- Midwest Valet
- Mighty Coin Laudromat, INC.
- Mike Grocery And Tobacco
- Mikos
- Milan Laser Hair Removal
- Millie Foods LLC
- Milwaukee - California Currency Exchange
- Milwaukee Avenue Parking LLC
- Milwaukee Shoes, INC.
- Mingle Mangle LLC
- Mint, INC
- Mirmeg Cartage INC.
- Mirra
- Mis Computer Corp
- Mitchell Made
- Mk Construction & Builders
- Mnm Digital INC. / M3 Toys
- Mobil
- Mobil
- Modern Garden Chicago, LLC
- Moksha Yoga Center, INC.
- Molly Vizzuett
- Monster Ramen
- Moonperl
- Morasha Voyages LLC
- Moreiras Jewelry
- Morning Import
- Moth
- Mother Prepper
- Movimento Bjj & Fitness INC.
- Moxie Allure Co.
- Moxie's
- Mr E's Late Night
- Mr G Cleaners
- Mr. Appliance Of Lincoln Park
- Mr. Molcajetes INC.
- Msa & Circus Arts
- Msb Marketing INC.
- Mucho Gusto Barra Cocina
- Multiviajes Guitierrez
- Municipal Barber Club LLC
- Murda And Ray Hair Designs
- Murgado Lincoln Of Chicago And Murgado Ford Of Chicago
- Musa Mian
- Museica's Art Studio
- My Cleaners
- My Logan Square Gym
- My Pi
- My Sweetheart Bridals
- My Sweetheart Bridals
- My Vet Animal Hospital, LLC
- Mydrive Academy
- N/a
- Naf Pottery
- Nail By Nail
- Nail Secrets
- Nakama Toys
- Nala, LLC
- Nandu Restaurant LTD
- Nashville Hot Chicken
- Nationwide Credit Clearing INC.
- Native Compass Health LLC
- Natties & Patties
- Natural Born INC
- Natural T Beauty & More
- Nauzad Dustoor
- Navigator Taproom
- Ne Health Care Services, INC.
- Necessary & Sufficient Coffee
- Negative Space Chicago
- Nepalese & Indian Cuisine
- New Dollar Store
- New Einsteins Academy
- New Kedzie Cleaners
- New Leaf Acquisition, LLC
- New Star Cleaners Chicago, INC.
- New Wave Coffee, LLC
- Newcastle Home Loans
- Nexa Clear
- Next Level Tattoo
- Nicks Pit Stop
- Nikki Darling Confections
- Nine Nine's Asian Bistro
- No Small Plans Productions Co.
- Noah David Gehrmann
- Noah Scott Todd
- Nomonomo Sushi
- None
- Noodlebird
- Nooish, INC.
- North Branch Works
- North Logan Studio, LLC
- North Shore Marine LLC
- Nothing Design Company
- Nova Driving School
- Oil Express
- Oliva Gallery
- Olivo Flowers
- Olivo Flowers
- Omakase Box
- Omarcito's Latin Cafe