| Business | Phone |
| 100 W Monroe Building 100 W Monroe St, Chicago 60603 | (312) 263-8789 |
| 1011 Building 1015 N Clark St, Chicago 60610 | (312) 944-4290 |
| 116 S Michigan Building 116 S Michigan Ave, Chicago 60603 | (312) 372-9015 |
| 122 S Michigan Ave Building 122 S Michigan Ave # 1360, Chicago 60603 | (312) 922-3883 |
| 139 Wabash Building 139 N Wabash Ave, Chicago 60602 | (312) 419-1604 |
| 150 N Wacker Drive Building 150 N Wacker Dr # 150, Chicago 60606 | (312) 977-1110 |
| 18 South Michigan Avenue Bldg 18 S Michigan Ave # 1118, Chicago 60603 | (312) 263-5923 |
| 218 S Wabash Bldg 218 S Wabash Ave, Chicago 60604 | (312) 939-0523 |
| 29 & 39 Management Inc 29 S La Salle St, Chicago 60603 | (312) 236-8672 |
| 309 W Washington Building 309 W Washington St, Chicago 60606 | (312) 236-5747 |
| 33 N Dearborn 222 Merchandise Mart Plz, Chicago 60654 | (312) 527-5049 |
| 33 N Dearborn 33 N Dearborn St, Chicago 60602 | (312) 527-4141 |
| 333 N Michigan Ave Building 333 N Michigan Ave # 1219, Chicago 60601 | (312) 726-8333 |
| 350 West Ontario Building 350 W Ontario St, Chicago 60610 | (312) 951-6617 |
| 360 North Michigan Avenue Bldg 175 W Jackson Blvd, Chicago 60604 | (312) 781-2490 |
| 41 East Oak Building Chicago 41 E Oak St, Chicago 60611 | (312) 932-9297 |
| Helmsley-Spear Of Illinois Inc 59 E Van Buren St, Chicago 60605 | (312) 781-2440 |
| 632 S Wabash Partnership 600 W Jackson Blvd, Chicago 60661 | (312) 627-1740 |
| 645 N Michigan Llc 645 N Michigan Ave, Chicago 60611 | (312) 943-4534 |
| 77 West Wacker Building 77 W Wacker Dr 730, Chicago 60601 | (312) 917-1177 |
| 7703 N Sheridan Rd Bldg Corp 7710 N Eastlake Ter, Chicago 60626 | (773) 262-1942 |
| 900 North Franklin Bldg 900 N Franklin St, Chicago 60610 | (312) 274-1916 |
| A-Vip Business Center 500 N Michigan Ave, Chicago 60611 | (312) 787-3636 |
| Adlake Building 319 W Ontario St, Chicago 60610 | (312) 787-6678 |
| Affordable Business Ctr 10240 S Halsted St, Chicago 60628 | (773) 429-1881 |
| Ameritech 425 W Randolph St 8, Chicago 60606 | (312) 422-7710 |
| One Congress Ctr 401 S State St, Chicago 60605 | (312) 939-3009 |
| Apparel Center 350 N Orleans St, Chicago 60654 | (312) 527-4141 |
| Aspire Properties Llc 25 E Washington St 1735, Chicago 60602 | (312) 853-3355 |
| Avondale Office Ctr 6323 N Avondale Ave, Chicago 60631 | (773) 631-2200 |
| Belle Plaine Lofts 3312 W Belle Plaine Ave, Chicago 60618 | (773) 583-4986 |
| Belmont Business Ctr 426 W Belmont Ave, Chicago 60657 | (773) 477-7701 |
| Franklin Square Leasing Office 900 N Franklin St, Chicago 60610 | (312) 642-7396 |
| Brooks Building 223 W Jackson Blvd, Chicago 60606 | (312) 558-4000 |
| Business Center At River Plaza 405 N Wabash Ave P3, Chicago 60611 | (312) 923-9400 |
| Business Locations 311 W Superior St, Chicago 60610 | (312) 379-3991 |
| M B Real Estate 177 N State St, Chicago 60601 | (312) 332-1055 |
| City Towne Lofts 525 N Halsted St, Chicago 60622 | (312) 421-7670 |
| Patricia Motto 770 N Halsted St, Chicago 60622 | (312) 733-5770 |
| Cumberland Metro Office Park 5519 N Cumberland Ave 1006, Chicago 60656 | (773) 792-0148 |
| 1500 Skokie Bl Venture 1000 N Halsted St, Chicago 60622 | (312) 337-5239 |