- Crockett Cookies INC
- Cross Tech Communications, INC
- Crosshair
- Crosstown Fitness
- Crowne Plaza Chicago West Loop/rye Deli + Drink
- Cruz Blanca Brewery & Taqueria And Lena Brava
- Crystal R Consultants
- Crystals By Erika
- Cubano Bros.
- Cullen Construction Management
- Cumberland
- Cupitol
- Curl's Bracelets
- Curry On Fire
- Currytheory,jalebi Babu,chowrasta Cafe
- Curvcollaborative, LLC
- Custom Care Medical Group
- Custom Color 3d Printing
- Custom Eyes
- Custom Strains, LLC / Custom Strains, LLC
- Customink Stores, LLC
- Cut Above Catering
- Cvs/ Pharmacy # 4793
- Cym Living LLC
- Cynthia's Gumbo Express
- D.c. Medical Supplies Company
- Daily Meat Supply INC.
- Daisy Bags
- Damen 4 Management Of Illinois, LLC
- Damen Jackson
- Damenzo's INC
- Dandelion USA LLC
- Daniel J Edelman Holdings INC
- Daniel J. Edelman, INC.
- Daniel Kim
- Daniel Management Group, INC.
- Daniel's Test Kitchen
- Dar Baklava
- Darshan Desai
- Darzell Dunn
- Dashing Dog
- Data-tel Communication, INC
- Datasite
- Datassential, INC.
- Daufenbach Camera, LLC
- David Northey
- David's Auto
- Davinci Street Productions
- Davis Tax Service
- Dawali Jerusalem Kitchen
- Daylight Media Corporation
- DBA University, INC.
- Dead Roses
- Dearborn Root, LP
- Deep Purpl
- Deere & Company
- Deeva Nail Boutique
- Deflorio Fashion
- Deja Vu Showgirls
- Dejurs Madison Corp / DBA Dunkin' Donuts
- Delavan Lake Trading, INC.
- Deleccatt Roses
- Delightful Dawhit Health Agency INC.
- Delos Therapy
- Deltalabs
- Demera Ethiopian Restaurant, LLC
- Demeter Millwork, LLC
- Demitasse
- Denis Joiner
- Dennemeyer & Co. LLC
- Depasada Restaurant
- Derrick Smith
- Design B&b
- Design Verification International
- Design Within Reach
- Design2rave LLC
- Dethlefsen & Balk, INC.
- Development Resources, INC.
- Development Solutions, INC.
- Devry University
- Dg Screenprinting INC.
- Dhr International, INC
- Dialtone Cafe
- Diaz Heating & Cooling INC.
- Dick's Sporting Goods
- Digital Truth 2020
- Dineamic Catering, LLC
- Dinner By Design
- Dionisos
- Dippin' Dots Ice Cream
- Direct Express Tours INC.
- Direction Promo INC.
- Dispensary 33
- Divas Nail And Spa
- Divas Nails And Spa
- Divatress.com
- Diversified Financial Management Corp.
- Do Right Enterprises, Do Right Services Company
- Do-rite Donuts
- Do312 LLC
- Dog Haus
- Dolci Amori
- Dolin' Out
- Dollar Tree #9190
- Dolls Kitchen And Catering LLC
- Domain
- Domino's
- Domino's #9165
- Dominos
- Dominos Pizza
- Doom Street Eats
- Dos Bros Fresh Mexican Grill
- Dot Press, LLC
- Dough, INC.
- Downstate Donuts
- Downtown Cleaners
- Downtown Cleaners
- Dozzy's Grill
- Dragonfly Gallery And Creative Spaces
- Dream Realtor Services, LLC
- Dream Squad Luxury Rentals
- Dream Team Hospitality
- Dreamtax Accounting & Finance LLC
- Dreamyvents Catering
- Drip Collective LLC
- Drw Holdings LLC
- Dsd Cleaning Service
- Dsw Shoe Warehouse
- Dtlr #3129
- Duck Duck Goat
- Dugan's
- Dunkin Baskin
- Dunkin Donuts
- Dunkin Donuts
- Dunkin Donuts
- Dunkin Donuts
- Dunkin Donuts
- Dunkin Donuts
- Dunkin Donuts / Baskin Robins
- Dunkin Donuts Baskin Robbins
- Dunkin Donuts Baskin Robbins
- Dunkin Donuts/baskin Robbins
- Dunkin' Donuts
- Dwdw
- Dylan's Tavern & Grill
- E Cube, INC.
- E Z Leasing LLC
- E-elements
- E-j Industries INC
- E-z Convenience Store INC.
- E.b.e. Enough But Evolving
- Eag Great Lakes
- Eagle Machine Co INC
- Earth Conscious Solutions
- Eastend
- Easter Seals Metropolitan Chicago, INC.
- Easy Parking Corp
- Easymoney Fitness Club
- Eat Me Milk Me
- Echoice Innovations, INC.
- Ecoatm
- Ecoclean Panels
- Eddie L Ricks
- Edelman Miami Latin America Corporation
- Edgard Aurelio Romero
- Edible Arrangements
- Edible Arrangements
- Edifel Designs LLC
- Edmund P Sinnott
- Educate-trade-create, Corporation
- Edward Jones
- Egim Corp.
- Eighty8 Salon
- Einnim Candle Bar + Apothecary
- Ej Enterprises LLC
- El Che Steakhouse & Bar
- El Chikito Truck
- El Ideas
- Eldercare Solutions
- Electriqsoul Hideout Studios
- Elevation Global Industries
- Eleven Chicago LLC
- Eleven Eleven
- Eleven04 Productions
- Elite Cleaning Chicago
- Elite Transit Solutions, LLC
- Elite Truck Rental, INC
- Elite Valet LLC
- Elizabeth Bland
- Elizabeth Sparaco
- Elle Nails
- Ellehomme Spa
- Elmcore Group INC.
- Elmcore Securities LLC
- Elps Charter LLC
- Elske
- Embassy Public House
- Eml, LLC
- Emme
- Emporium Fulton Market