- Italian Marble And Granite Co
- Ivan Carlson & Associates
- Izakaya Yume
- J & J Cleaning Service Plus INC.
- J & J Fish & Chicken
- J And L Food Service
- J L Scheffler Realty INC
- J Salon And Spa
- J-star Motion Corporation
- J. Avienda Salon
- J.a. Watts, INC.
- J.b. Hunt Transport, INC.
- J.o.t. Industries INC.
- J.p. Graziano Grocery Co INC.
- J.s.f. Licensing, LLC
- J&j Commercial
- Jabian, LLC
- Jackson & Morgan Shell
- Jackson Center Licensing LLC
- Jackson Control Co., INC.
- Jackson Hewitt Tax Service
- Jackson Wash
- Jacob Gross
- Jacob Marchewitz
- Jacobs Engineering Group INC.
- Jacobs Project Management Co.
- Jacobson Ainoo
- Jade Xo
- Jahb
- Jaime Gascon
- Jamba Juice 481
- James Breski & Company
- Jamia Fiona Jones
- Jane Carten
- Jarabe
- Jason's Deli
- Jay's Candy Store
- Jazzy Flowers LLC
- Jazzy Girls
- Jbm Property Management LLC
- Jc Licht
- Jefferson Tap And Grille And The Loft
- Jeffrey Lovejoy
- Jeffrey Perrone
- Jeng Cleaning And Handy Work
- Jeni's - Illinois, LLC
- Jennifer's Hair Studio And Spa
- Jerk Werks LLC
- Jerky Jerk Rare
- Jersey Mikes
- Jesse Wyatt
- Jessica May Marshall
- Jet Support Services, INC.
- Jet's Pizza
- Jewel Food Store #3344
- Jewel Nail Spa On Adams
- Jewel Nail Spa On Adams
- Jewel Nail Spa On Adams
- Jewell Events Catering
- Jf Packaging Creations
- Jian
- Jiffy Lube
- Jiffy Lube
- Jih West, L.L.C.
- Jim's Original
- Jimmy John's
- Jimmy John's
- Jimmy John's - Van Buren
- Jimmy John's 3106
- Jimmy Johns
- Jimmy Johns
- Jimmy Johns
- Jlw Instruments, INC.
- Jmr Privacy Consulting LLC
- Joann Store #2386
- Joe Hammond
- Joe Pellegrini Photography LLC
- Joe's Imports
- John Burns Construction Company, LLC
- John Walsh
- John's Heating And Cooling
- Johnny's Ice House
- Joker's Cajun Kitchen
- Jonathan Aceituno
- Jonathan Lutz
- Jones Lang Lasalle Americas, INC.
- Jonestrading Institutional Services LLC
- Jorge Luis Bustillos
- Joy Yee Noodle
- Jssi Advisory Services, LLC
- Jssi Management Enterprises, LLC
- Jssi Parts, LLC
- Juliet Tan Floral Design
- Junior Chefs Kitchen
- Just Don Retail
- Just Salad
- K - Kitchen
- K + P Advisory
- K.k.t. Group Services
- K.r. Miller Contractors, INC.
- K&l Commercial Cleaning LLC
- Kaathis LLC
- Kabobchi
- Kadeya
- Kaiser Tiger
- Kalderos
- Kama
- Kaplan North America LLC
- Kashmir
- Kate & Jan Hot Dogs
- Katherine Mahon
- Kathryn's Soul
- Kavi Gupta Gallery
- Kay Jewelers #4827
- Kayla Mae
- Kayne Anderson Senior Credit Advisors
- Keep It Clean
- Keg N Bottle West Loop
- Kehoe Designs, INC
- Keith Stewart Fruit Products
- Kelis Kouture
- Keller Machine Co
- Kelly Mitchell Group
- Kenneth Bernard Durant
- Kensington School Of West Loop
- Kentucky Fried Chicken #5290
- Kerasotes Showplace Theatres
- Kerry Mitchell Brown, LLC
- Kevin Trunkett
- Keystone Automotive Industries INC.
- Kf Partners, LLC
- Kgberry, LLC
- Kido International Preschool, West Loop
- Kids Stem Studio
- Kikwetu Coffee Company
- Kimberly Mcbride
- Kimberly-clark Corporation
- Kimura Sushi
- Kindle Communications
- Kindler Coaching
- Kinema Fitness - Boxcar
- King Auto Repair & Body Shop
- Kingdom Farms Wholesale Meats, INC.
- Kinton Ramen 1
- Kinzie Cleaner's
- Kinzie Lacquer Spa LLC
- Kinzie Shine Spa
- Kitchen Chicago, LLC
- Kitchen Tune-up Chicato City Central
- Kiwi's Boutique
- Klay Oven Kitchen
- Knoll, INC.
- Knr Innovations LLC
- Kobamont LLC
- Kohan Japanese Restaurant
- Koi Noodle
- Kolcraft Enterprises, INC.
- Komunity Kombucha LLC
- Kong Dog
- Kororin LLC
- Kraft Heinz Foods Company
- Krispr Communications
- Kristine Fallon Associates
- Krueger International, INC.
- Ktmine
- Kuma's Corner
- Kumiko
- Kurtea Life LLC
- Kvadrat
- Kvl Flower Ball
- L & W Supply Corporation
- L J Sheridan & Co
- L.a. Fitness International, LLC
- L.e.k. Consulting LLC
- L'atelier 17
- L&l Academy And Preschool Wl, LLC
- La Columbe
- La Fournette, LLC
- La Josie
- La Lagartija
- La Lagartija Taqueria
- La Sardine, INC.
- La Serre / Bar La Rue
- La Tan
- Lab Corp
- Labriola Bakery And Cafe
- Labriola Italian
- Ladybug Mdl Van Buren 4 LLC
- Lake Street Barbering Company
- Lake Street Showroom
- Lake Western Citgo
- Lalo's Mexican Restaurant
- Lamination Specialties
- Landcare USA L.L.C.
- Landor, LLC
- Language Loop L.L.C.
- Latin Rhythims Academy Of Dance & Performance
- Latin Street Music & Dancing
- Laural Supply Corporation
- Laurel Tapia