- "m" Bar
- 10 South Market
- 100 S. Cafe
- 1000 Clark Cleaners
- 1000 South Michigan Equities LLC
- 1000 South Pet Care
- 105f
- 105f South Loop
- 10q Chicken
- 11 Dining
- 11 East Partners, LLC
- 111 Fitness Club
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- 150 Cleaners And Shoe Repair
- 151 Franklin LLC
- 155 Harbor Drive Condominium Association
- 160 North Elizabeth Holdings, LLC
- 17 N. State, LLC
- 175 Sopraffina Market Caffe LLC
- 175 W Jackson Currency Exchange
- 180 North Wabash, LLC
- 1851 Project LLC
- 1life Healthcare
- 1o8
- 2 Brothers INC.
- 2 East 8th Productions, LLC
- 2 Twenty 2 Tavern
- 200 Convenience
- 200 West Adams, LLC
- 211 North Harbor Drive Owner LLC
- 211 W Wacker Expansive LLC
- 227 Monroe Street LLC
- 233 Market
- 2345 West Roscoe LLC
- 2446 W. Foster, LLC
- 29 E Madison, LLC
- 3 Senses
- 3 W, INC.
- 300 Market
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- 312 Parking Management INC
- 333 W Wacker Fitness Center
- 340 On The Park Cleaners
- 340 On The Park Cleaners
- 360 Destination Group
- 360 Energy Group, LLC
- 3arts, INC.
- 3rd Coast Imaging, INC.
- 400 Condominium Association
- 445 East Waterside Drive Owner LLC
- 4discovery LLC
- 50 East Harrison Corp.
- 548 Development
- 55 E Jackson, LLC
- 57th Street Art Fair
- 600 S. Wabash, LP
- 606 Digital, INC.
- 606 Garage Doors Corp.
- 6148 Milwaukee, INC. DBA Jets Public House
- 65 Express
- 7 - Eleven
- 7 - Eleven
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- 71 S. Wacker Dr LLC
- 720 S. Wells Development, LLC
- 77 West Wacker Drive, L.L.C.
- 786 Maaaayaaaa, INC.
- 7am Nails
- 7th 29barbershop LLC
- 8 S Michigan, LLC
- 82 Kimbap
- 853 INC
- 88 Brand Partners
- 90th Meridian
- A & A Jewelry Manufacturing And Casting LLC
- A & B Watch Repair
- A & E Television Networks
- A & M Custom
- A & M Watch Parts INC.
- A & S Jewelers Corporation
- A B C Diamonds
- A Beautiful You
- A Better Chicago
- A Child's Space Early Literacy And Learning Center, INC.
- A Fingerprinting U S Photo INC.
- A Matter Of Style
- A Plus Flowers INC
- A Royal Redemptions
- A T & T Mobility - Pcs
- A USA Rentals
- A Versatile You
- A-pro Execs, LLC
- A. T. Kearney, INC.
- A.j. Rhem & Associates INC.
- A.n.m. Heating & Air Conditioning
- A&a Ballet
- A&a Beauty Studio, LLC
- A&a Watch Repair INC.
- A5 Group,inc.
- Aaa Chicago
- Aarete
- Aarp Foundation
- Ab Financial LLC
- Abbate Group L.t.d
- Abc Imaging Of Washington
- Abell INC
- Able Advantage Acquisition
- Abm Parking Services
- Abode Technologies, INC.
- Abria Activewear, LLC
- Abs International Group Corp.
- Absolutely Chicago Segways Tours
- Acacia Financial Group INC
- Acanto
- Accelerated Growth Advisors LLC
- Accenture LLP
- Access Value Investors LLC
- Accesso Services Chicago, LLC
- Accesso Services LLC
- Acciona Energy USA Global LLC
- Accounting Principals, INC.
- Accurate Biometrics, INC.
- Accurate Hvac LLC
- Accurate Reporting Company
- Accurate Transit LLC
- Ace Bounce
- Ace Shoe Clinic
- Achara Consulting, INC.
- Acm Productions, INC.
- Act Now
- Activ Financial Systems, INC
- Active Communications International
- Active Transportation Alliance, NFP
- Activecampaign
- Actonia INC.
- Actors Talent Group INC
- Adamas Diamonds USA LTD
- Adams Street Partners LLC
- Addax Asset Management
- Addison Group
- Addus Homecare
- Adelfia LLC
- Adm Investor Services,inc
- Administrative Resource Options
- Adp INC - Employer Service INC
- Adp, INC.
- Adr Systems Of America, LLC
- Adriaan Vandeputte
- Adrian Isai Montano
- Adswerve
- Advance Consulting Group Int'l
- Advance Instant Printing Co
- Advance Parking Service
- Advanced Corp Agents
- Advantage Futures LLC
- Advita LLC
- Aecom Services Of Illinois, INC.
- Aecom Technical Services, INC.
- Aecom Usa, INC.
- Aeg Partners
- Aelf Flightservice, LLC
- Aep Energy, INC
- Aerotek, INC.
- Aerotek, INC.
- Aeterra
- Afc Sushi @ Walgreens #15196`
- Affordable Community Energy Services Company
- Afs
- After School Matters
- Ag Resource Company
- Agpura LLC
- Agw 320 Wi Property Owner, L.L.C.
- Aids Foundation Chicago
- Aileron Communications, INC.
- Air Tec Service Center 2
- Air Tec Service Center Inc.,
- Air Tec Wireless, Incorporated
- Ait Truckload Solutions, INC.
- Aj Capital Partners
- Aj Jewelers
- Aj Materials LLC
- Ajida