- Quang Noodle
- Quest Diagnostics, LLC
- Quest Food Management Services
- Quest Food Management Services, INC.
- R Catering And Events
- R J Grunts
- R. S. Johnson - International Gallery, INC.
- Rac Acceptance 07930
- Racine Plumbing
- Rails
- Rainbow Life Spa
- Raise The Bar
- Raising Cane's Chicken Fingers
- Raj Darbar
- Ramen - San Sugarfire Smoke House
- Ramiro Auto Repair
- Ranalli's
- Range
- Rangoli-indian Cuisine
- Rapid Valet
- Ravens
- Raw Ii
- Real Good Juice Co.
- Realgood Stuff Co
- Rebecca Andrade
- Rebecca Rockfield Skin Spa And Shop
- Rebecca Unger Fishman
- Rebellious Beauty Salon & Extension Boutique
- Red Jasper Nails INC.
- Red Light Chicken
- Red Lion Pub
- Red Wing Shoes
- Reflektion Salon
- Regal Cinemas Webster Place
- Regency Cleaners
- Regions Wine Cellar
- Reinos Tailor Shop
- Rejuvenation, INC. DBA Rejuvenation #5876
- Relax Feet, INC.
- Relax Spa
- Relax Spa
- Renzo Gracie Chicago
- Rescue Plumbing INC.
- Resolve
- Resonance Massage
- Restore Hyper Wellness
- Retractable Screens LLC
- Reverie Nails & Spa Of Chicago
- Reza Rug Gallery
- Rfc Personal Training & Spinning Studio
- Rhone
- Riccardo Enoteca
- Riccardo Trattoria Toscana
- Ricci Kapricci Salon
- Right Away Plumbing & Hvac Corp
- Ringo
- River Shannon
- Riverpoint Laundromat
- Riya Threading, Corp.
- Rk Armitage Corp
- Robert Brown
- Robert Perez
- Robert Tailor Shop INC.
- Rock N Rags
- Rock Wrap & Roll
- Rodriguez's A To Z Auto Service
- Roggenart Baker Bistro & Cafe
- Ronnie Wozniak Brow And Makeup Artist
- Rooksdm LLC
- Rosa Milano Nail Spa
- Rosa's Lounge
- Rosati's Pizza
- Rosati's Pizza Of Lincoln Park
- Rosebud Restaurants INC
- Roseland Trade LLC
- Rothy's INC.
- Roti Modern Mediterranean
- Rotofugi
- Roy's Furniture Co
- Royale Cleaners
- Rpm Advertising
- Rpm Italian/hoodoo Brown Bbq
- Rs Consulting
- Rubiostudio, INC
- Running Away Multisport
- Rush Kids Pediatric Therapy
- Rush Logistics
- Russian School Of Mathematics
- S.a.m. Singapore Math
- S.k.y.
- Safeguard Self Storage
- Sage Theory Gifts
- Sai Cafe
- Sai Cafe
- Sai Eyebrow Threading Salon
- Saimai Thai
- Saints And Angels Healing Through Sound
- Salon 1800
- Salon Edda
- Salon Envy
- Salon Glow Chicago, INC.
- Salon Lofts
- Salon Rouge
- Salon S
- Salon U
- Saloncentric INC.
- Salvage Grooming Lounge
- Salvatore's Restaurant
- Sanaya Threading & Skincare
- Sapori Triattoria
- Sara Naar
- Sarah Carstens
- Sarah Kornick
- Sarah Phelan
- Sarpino's Pizzeria
- Sassylash
- Savane Properties
- Schindler Communications, INC.
- Schlesak Vintage
- Schneider Deli
- Schooner Learning Academy, LLC
- Scottfree Chicago LLC
- Scout Veterinary Care
- Sean Corbett
- Search, INC.
- Seats And Stools
- Second Act Cancer Recovery Boutique
- Second Child, LLC
- Second City Social
- Sedgwick Cleaners
- Sedgwick Productions
- See, INC.
- Senior Helpers Of Chicago
- Sephora #782
- Sequoia: Mindful Movement
- Serena & Lily, INC.
- Sev Laser
- Sewing Primer
- Shadow Personal Training LLC
- Shannon Renee Lewis
- Sharmon
- Shedda Suleiman
- Shell
- Shen Shen Health And Harmony
- Shiloh Salon
- Shine Restaurant, Rise Sushi Restaurant
- Shoe Hospital
- Shore Club
- Shot Bar Chicago LLC
- Shred415
- Sido Tattoo LLC
- Silver Image
- Silverwolf Productions LLC
- Simon's Shine Shop INC
- Simonmed Imaging
- Simply Earthly Products
- Sir Speedy Printing
- Siren Pine
- Sister-arts Studio, INC.
- Sito Properties LLC
- Skinq
- Small Cheval
- Smart Choice Mri, LLC
- Smiles Leasing
- Smith And Davis, INC.
- Smoke Cafe
- Smoke Dreams
- Smoke Valley
- Smooth Nail Lounge
- Snapdragon Partners
- Solidcore
- Soloway Coffee
- Solstice A Chocolate Bar
- Sonnets Academy - Lincoln Park
- Soul Prime
- Southport & Diversey Bp
- Sow
- Sp Plus LLC
- Spa Spazio
- Spa Spazio
- Spaderma
- Spanish Food Connection
- Spavia Day Spa
- Speakeasy Pizza
- Specialized Lincoln Park
- Spf Pickleball
- Spindle Fitness
- Spirit Hub
- Sploot Veterinary Care
- Spoko
- Sport Clips
- Sportclips
- Sproing Sport
- Squeez Juice Bar
- St Josaphat Parish
- St Michael's Church
- St Vincent De Paul Center
- St. Pauls United Church Of Christ
- St. Vincent De Paul Center
- Stacked Coffee