- Marshalls #0646
- Marshfield Consulting
- Martial Arts For Life
- Martin Conneely
- Mary Cook Associates
- Mary's Hot Nails
- Mary's Hot Nails 2
- Mary's Hot Nails, LLC
- Massage Envy
- Massage Envy Spa
- Matcha En
- Matilda
- Matisse Tavern & Grill
- Matsuya Japanese Restaurant
- Matthew Lind
- Matthew Nelson
- Mattress Firm #119083
- Mattress Prime
- Maureen Harney
- Max And Issy's
- Max Panitch, INC
- Maydel, LLC
- Mb Nail.com
- Mc Donald' S # 6888
- Mcdonald's
- Mcdonald's
- Mcdonald's #38631
- Mckillip Animal Hospitals
- Me U Nails & Spa INC.
- Meatball Bliss
- Megan Black
- Melissa Heckman
- Meltostudio LLC
- Memoire Studio
- Men's Room Chicago
- Mercury Theater
- Merkle's Bar & Grill
- Merry Music Makers
- Merry Music Makers, LLC
- Mesi Woodshop LLC
- Metro
- Metro Salon Suites
- Mf Aesthetics
- Mf Clark Box LLC / The Ups Store
- Mf Tacos
- Mfk
- Mia Francesca
- Michael Barry
- Michael D. Giese Consulting
- Michael Harris
- Michaels Barber Chair
- Michaels Stores
- Michele Taylor Photography
- Midtown True Value INC
- Midwest Pro Sound & Lighting
- Midwest Valet
- Mighty Maids
- Mightybytes, INC.
- Mild2 Spicy
- Milk And Tea Clothing
- Milk And Tea LLC
- Million Dollar Highway LLC
- Milly's Pizza In The Pan
- Milt's Bbq
- Milwaukee Terrarium Company
- Min Min Cafe
- Mini Donut Factory
- Mini Nails
- Mini Wonder
- Minit Fashion LLC
- Mishkan Chicago
- Miss B's Tea Time
- Misty Moon Design
- Mixteco
- Mk Noodle
- Mk Oral Facial Design
- Moe's Cantina
- Mohammed Aijaz
- Molinaro Jiu Jitsu
- Momo Factory
- Mona's Beauty Salon
- Monsignor Murphy's
- Montraps Publishing
- Moon Woman Vintage
- Mordecai Brown
- More Than Money
- Morning Bird Studio LLC
- Moroccan Beauty Rituals, LLC
- Mortar & Pestle
- Mothlight Pictures INC.
- Mount Sinai Resale Shop
- Move With Melissa Personal Training
- Movement Wrigley
- Mr. Nice Guy Cbd Kratom
- Ms. T's
- Muijistudio
- Mulch Consulting, LLC
- Murphy Rooftop Company
- Murphy's Bleachers
- Murphy's Inn
- Murphy's Parking, LLC
- Musashiya Ramen
- Muse Spirits
- Music Box Theatre
- Mvs Hair Salon By Oralia
- My Launch Box
- My Nail.com
- My Perfume House
- My Salon Suite
- Myeyedr
- Mystery Street Recording Company
- N/a
- N/a
- N/a
- N/a
- N1 Aesthetics, LLC
- Naiboa Latin Store
- Nail Story
- Nailography
- Nails Art I
- Namaskar Yoga LLC
- Nan Ruvel Interior Design
- Nancy Huysman
- Nancy Paradiso
- Nancy's Home Of Stuffed Pizza
- Nando's Peri-peri
- Nano Sushi
- Nas Salon & Spa, INC.
- Natalie Walser
- National Runaway Safeline
- Native Foods Cafe
- Natural Healers Spa
- Natural Releaf LLC
- Naturel
- Naudi INC
- Naz's Halal Food
- Nb Spa
- Network Management Services INC
- Neva Hangry
- Nevin Farawi
- New Banh Mi & Co.
- New Generation LLC
- New Hope Spa
- New Hope Spa
- New Life Dry Cleaners And Laundry INC.
- New Life Spa
- New Modern Grill INC
- New Southport Fitness LLC
- New York Cleaners
- New York Market
- Newport Development Company
- Newtown Cleaners
- Next Door Movers
- Nextpoint INC
- Nibanaba LLC
- Nicholas Fee
- Nicholas Miles Petrus
- Nickknacks
- Nicole Rizzo
- Niczka.co
- Nisei Lounge
- Nlp Studio
- Noha & Associates INC
- Nola Cafe & Bar
- Nola Gems
- Noodles & Company
- Noori Chicken Chicago
- Nora Cole
- Norcross Interiors
- Nori & Wasabi
- Nori Chicago
- Northalsted Home Transformations LLC
- Not A Hair In The World
- Not Just Cookies Bakery
- Nuance Cleaners
- Nuts On Clark INC
- Oak & Honey
- Oasis Fresh
- Oberweis Dairy, INC
- Obvious Shirts
- Ocean Nails Spa
- Off Color Brewing
- Off The Ground Dance Studio
- Office Depot INC #225
- Oh My Nails
- Okashi
- Old Crow Smokehouse
- Old Teriyaki
- Olive Black Chicago
- Olive Mountain Grill
- Olive Press Media
- Olor Coffee
- Om On The Range Yoga Studio
- Omakase On Me
- Omar Rmz, LLC
- Omni Handyman Services LLC
- On The Route Bicycles Corp
- Operationally LLC
- Ophidian Tattoo Gallery
- Orange Theory Fitness