| Business | Phone |
| 55 West Wacker Security 55 W Wacker Dr, Chicago 60601 | (312) 630-9153 |
| Ryan Adams 105 W Adams St # 3810, Chicago 60603 | (312) 726-0660 |
| Advanced Equities Financial 311 S Wacker Dr 1650, Chicago 60606 | (312) 377-5300 |
| Advest Inc 311 S Wacker Dr, Chicago 60606 | (312) 427-0463 |
| American Option Svc 311 S Wacker Dr 1525, Chicago 60606 | (312) 939-7010 |
| Antler Securities 400 S La Salle St 4, Chicago 60605 | (312) 435-1100 |
| Bear Stearns & Co Inc 30 S Wacker Dr 2000, Chicago 60606 | (312) 474-4600 |
| Bear Stearns & Co Inc 440 S La Salle St 1021, Chicago 60605 | (312) 663-3300 |
| Bear Stearns & Co Inc 70 W Madison St 2600, Chicago 60602 | (312) 580-4000 |
| Getco 141 W Jackson Blvd, Chicago 60604 | (312) 242-4600 |
| Gill & Co 401 S La Salle St 1300, Chicago 60605 | (312) 786-4747 |
| George Houlditch Trading 5145 N Clark St, Chicago 60640 | (773) 271-4857 |
| Betzold Research & Trading Inc 500 W Madison St 350, Chicago 60661 | (312) 441-0877 |
| Birkelbach Corp 208 S La Salle St 1700, Chicago 60604 | (312) 853-2820 |
| Gardner Rich & Co 401 S Financial Pl, Chicago 60605 | (312) 922-3333 |
| Gelber Group Llc 141 W Jackson Blvd 2150, Chicago 60604 | (312) 253-0005 |
| G-Bar 440 S La Salle St # 650, Chicago 60605 | (312) 362-4211 |
| Boss Securities Group Inc 440 S La Salle St, Chicago 60605 | (312) 986-8117 |
| Futrex Trading 30 S Wacker Dr # 1516, Chicago 60606 | (312) 906-7200 |
| First Midwest Securities H 150 N Wacker Dr, Chicago 60606 | (312) 551-7414 |
| First Options Of Chicago 141 W Jackson Blvd, Chicago 60604 | (312) 435-2100 |
| First Options Of Chicago 400 S La Salle St, Chicago 60605 | (312) 913-0036 |
| First Union Securities 300 W Adams St, Chicago 60606 | (312) 263-1807 |
| First Albany Corp 29 N Wacker Dr 1334, Chicago 60606 | (312) 641-0038 |
| First Continental Trading Inc 150 S Wacker Dr 805, Chicago 60606 | (312) 424-3030 |
| First Honolulu Securities Inc 53 W Jackson Blvd 325, Chicago 60604 | (312) 922-2464 |
| Feldman Securities Group 20 N Wacker Dr 1775, Chicago 60606 | (312) 444-1755 |
| Capital Markets Trading 500 W Monroe St, Chicago 60661 | (312) 930-9050 |
| F & O Grain 141 W Jackson Blvd, Chicago 60604 | (312) 987-0137 |
| Century Securities Assoc 1325 N State Pkwy, Chicago 60610 | (312) 787-8090 |
| Chancellor Dougall 111 W Jackson Blvd, Chicago 60604 | (312) 906-3100 |
| Chancellor Dougall & Co 440 S La Salle St 4, Chicago 60605 | (312) 427-5326 |
| Chapdelaine & Co 111 W Jackson Blvd # 1230, Chicago 60604 | (312) 704-2000 |
| Chapdelaine & Co 2 N La Salle St # 690, Chicago 60602 | (312) 704-2000 |
| Charles Schwab & Co 150 S Wacker Dr, Chicago 60606 | (312) 456-6624 |
| Charles Schwab & Co 444 N Michigan Ave, Chicago 60611 | (312) 467-4033 |
| Cheevers & Co Inc 440 S La Salle St 415, Chicago 60605 | (312) 663-2794 |
| Eisner Securities Inc 233 E Erie St, Chicago 60611 | (312) 981-0001 |
| Chicago Investment Corp 39 S Lasalle St, Chicago 60603 | (312) 857-1284 |
| Edward Jones 2013 W Roscoe St, Chicago 60618 | (773) 665-4112 |
| Edward Jones 5403 W Devon Ave, Chicago 60646 | (773) 774-7550 |
| E Trade Capital Markets 440 S La Salle St 3030, Chicago 60605 | (312) 663-7100 |
| E Z Stocks Inc 175 W Jackson Blvd 631, Chicago 60604 | (312) 663-5400 |
| Driehaus Securities Corp 25 E Erie St, Chicago 60611 | (312) 587-3800 |
| Dru Options 175 W Jackson Blvd, Chicago 60604 | (312) 922-3332 |
| Dow Jones & Co Inc 20 S Wacker Dr, Chicago 60606 | (312) 928-0563 |
| Citigroup 1 S Wacker Dr, Chicago 60606 | (312) 739-0078 |
| Direct Access Brokerage Svc 39 S La Salle St 924, Chicago 60603 | (312) 641-9100 |
| David A Noyes & Co 209 S La Salle St, Chicago 60604 | (312) 782-0400 |
| Ctc Llc 311 S Wacker Dr, Chicago 60606 | (312) 765-9980 |
| Corporate Investments Group 232 W Cermak Rd, Chicago 60616 | (312) 225-1388 |
| Grain Guys Com 141 W Jackson Blvd, Chicago 60604 | (312) 588-1024 |