- W Q Development INC.
- Walgreens # 05057
- Walgreens #09038
- Wash Out Inn #4
- Wash Out Inn #4, LLC
- Waxidermy INC.
- Wayne Bartholomew Dds
- Welcome Motors
- Wendy's Properties, LLC
- West Details
- West Walker Publishing House
- White Castle #23
- Who's Next Barber Shop
- Wiggly World Pet Hotel & Lounge
- Wild Nutrifit
- Will Products INC
- Wilma Bityou
- Wilmette Screw Products INC
- Windy City Home Repair
- Windy City Market
- Windy City Sound & Lighting
- Wing Chong Restaurant
- Wing Sign Co.
- Wls Makes Stuff
- World Choice
- Wurst Behavior
- Xpert Auto Service
- Yoly's Beauty Salon
- Yomaira Judith Herrera
- Ysm Development, INC.
- Yudith Garcia
- Zayna Fashion Boutique INC.
- Zebda
- Zebda
- Zenith Creative Studio
- Zeus Massage
- Zing How Design
- Zosia Maria Holden
- Zpower Dance
- Zurc Heating And Cooling INC.