- Srt Chicago
- Srw
- Ssg
- St Acquisition Holdings LLC
- St. Ignatius College Prep
- St. Jude Children's Research Hospital
- St. Leonard's Ministries Michael Barlow Center
- St. Patrick's Day Parade Committee Of Chicago
- Stadium
- Staff Management Solutions, LLC
- Staffmark Investment Llc/digital People-chicago
- Stan's Donuts & Coffee
- Standard Pho LLC
- Standard Valuation Services, LLC
- Staples The Office Superstore #1606
- Star Beauty Supply 1
- Starbucks Coffee #11719
- Starbucks Coffee #66051
- Starknits
- Starship Technologies, INC.
- Start Early
- Stat Analysis
- Statements, INC.
- Station Restaurant And Bar, Vinny's Pizza Bar, Booze Caboose
- Stax Cafe
- Steak N' Shake
- Steelcase INC.
- Steelseries
- Stelios' Bottles & Bites
- Stephen Garrett Photography
- Stephen Hamilton INC
- Sterling Bay
- Sterling Bay Companies LLC
- Sterling Bay Property Management, LLC
- Sterling Fund Management, LLC
- Sterling Partners Quantitative Investments LLC
- Steve And Kate's Camp LLC
- Still, LLC
- Stitch & Heart, LLC
- Stock Manufacturing Company
- Storage Star
- Storage Star
- Strategiq Commerce LLC
- Stretch Lab West Loop
- Strikefit Chicago
- Stroger Cafe
- Stroop
- Strut Learning INC.
- Studentscout, LLC
- Studio 11
- Studio 16 Hair Lounge
- Studio 84one INC
- Studio Lagree
- Studio Three
- Su Taqueria El Rey Del Taco
- Suarez Market
- Substation Market
- Subway
- Subway
- Subway
- Subway
- Subway
- Subway
- Subway
- Subway
- Subway
- Subway 21649
- Subway Restaurant
- Subway Sandwiches
- Sugar Pop, Sugar Pop Salon
- Suite 119 Venue
- Summit Design + Build, LLC
- Sumu Tokyo Ramen And Sushi
- Sun & Moon Company
- Sun Auto & Sales INC.
- Sunda New Asian
- Sunlife Organics
- Sunny Custodial Service LLC
- Sunny Spa
- Supercuts #90906
- Superior Graphite
- Supreme Frame And Moulding Corporation
- Surface Plus Construction INC.
- Sushi By Bou
- Sushi Dokku
- Sushi Pink
- Sushi Pink Chicago INC.
- Suzanne Garner Vintage
- Swadesi Cafe
- Sweathouz West Loop
- Sweet Maple Cafe
- Sweet Shot Cookies
- Sweetgreen
- Sweets Apothecary
- Swift & Sons / Cold Storage
- Sydnee's Pet Grooming
- Sydney Graybeal
- Synergy Creative
- T-mobile
- T-mobile
- T&h Fiber Works
- Tab Service Co
- Tablescapes Event Rentals
- Taco Bell #30404
- Taco Bell Cantina
- Taco Burrito King
- Taco Lulu
- Taco Pros
- Tacobout Pilsen
- Tacombi
- Tahoe Partners, LLC
- Tai Chi
- Taiwan Trade Center, Chicago
- Takohl Design LTD
- Talay
- Talking Point, INC
- Tamashi Ramen
- Tamu Restaurant
- Tandem Ventures, LLC
- Tannery Row LLC
- Tanoshii Sushi Mike's
- Taqueria Chingon
- Taqueria Mexicana
- Target Optical #4914
- Target Store T2781
- Tasc, INC.
- Taste 222
- Taste Buds Algorithm
- Tastylive, INC.
- Tastytrade, INC.
- Tax World Accounting & Financial Services
- Taylor Farms Illinois, INC.
- Taylor Laflin LLC
- Taylor Street Tattoo, LLC
- Taylor Tots Day Care LTD.
- Taylor Wine & Spirits
- Taylor's Tacos
- Taylored Intensity LLC
- Tc Bauer Company , Esutras Organics, Buy Wellness
- Tcb Permits & Licensing
- Tcp Staffing LLC
- Tdc Mma & Fitness LLC
- Technomic INC
- Tecovas, INC.
- Teh'ray Hale
- Teksystems, INC.
- Telecom General Contractors, INC.
- Teleport Communications America, LLC
- Telepro Temps, INC.
- Ten Goku / Bon Yeon
- Terrana Group LLC
- Tesla
- Tessa Films, INC.
- Texan Taco Bar
- Tfu INC
- Thaddeus Chavez
- Thai Bowl
- Thank God It's Natural
- The 14th Annual Air & Water Show Charitable Day Party
- The Arts Of Life INC.
- The Azek Group LLC
- The Baldman, INC
- The Bandit
- The Bar 10 Doors
- The Barn Hockey Bar
- The Bite
- The Black Barrel Tavern
- The Boeing Company, INC.
- The Bonanno Company
- The Boston Consulting Group
- The Bougie Foodie
- The Boxing Club
- The Brickman Group LTD. LLC
- The Bsc Group, LLC
- The Cara Program
- The Carpet Group
- The Christian Century
- The Classic Barber Shop
- The Clayton
- The Cleaning Solution
- The Connell Group
- The Cross Roads Bar & Grill
- The Cryobar West Loop
- The Cutie Bar
- The Dopest Bar & Grill
- The Emancipation Ball - A Juneteenth Celebration
- The Emily Hotel
- The Envoy Group, LLC
- The Fig Tree
- The Flower Firm
- The Gardner School
- The Gathery
- The General Lock Company LLC
- The Goddard School Of West Loop
- The Goddess West Loop INC.
- The Great American Bagel
- The Great Steak & Potato Co.
- The Grossman Group
- The Gym Pod INC.
- The H&w Group, INC.