| First Name | Last Name | Company | Address | Email | Phone | Fax |
| Greg J | Olson | Hudson Parker Realty | 2523 N Halsted Ave Chicago, IL 60614 | | | |
| Haroldo | Olave | Felmar Realty, Inc. | 3325 W. Belmont Ave. Chicago, IL 60618 | | | |
| Harry A | Olsen | Harry Olsen & Associates, Inc. | 331 W. Armitage Chicago, IL 60614 | | | |
| Henry | Ospina | H & S Real Estate Brokers | 731 N Noble St #2 Chicago, IL 60622 | | | |
| Henry Long | Ong | Century 21 S.G.R., Inc. | 1823 S. Michigan Avenue Chicago, IL 60616 | | | |
| Jade | Ozcan | Gibson & James Properties, Inc | 2250 W. Belmont Chicago, IL 60618 | | | |
| James J | Obaldo | Sudler Sotheby's International | 919 N. Michigan Ave., 3rd Flr. Chicago, IL 60611 | | | |
| James W | Ongena | Ongena Corp. Realty | 207 E. Ohio #161 Chicago, IL 60611 | | | |
| Jan | Olowski | Olo Realty Inc. | 5731 W Montrose Ave Chicago, IL 60634 | | | |
| Janet | Owen | Sudler Sotheby's International | 919 N. Michigan Ave., 3rd Flr. Chicago, IL 60611 | | | |
| Janice E | Osborne | Rizzo Realty Group, Inc. | 1 E. Superior Suite 604 Chicago, IL 60611 | | | |
| Jason | Odom | Jason Odom Realty | 1347 W. Ancona #1 Chicago, IL 60622 | | | |
| Jeanne E | Ohr | Glenwood Realty | 200 N. Dearborn - #1101 Chicago, IL 60601 | | | |
| Jefferson | Orellana | Gil & Gil Group Corp. Real Est | 5325 W. Fullerton 2nd Flr Chicago, IL 60639 | | | |
| Jeffrey A | Olichwier | Patrick Jeffrey Realty | 2417 West Homer Street Chicago, IL 60647 | | | |
| Jim H | Oehler | Century 21 Ambassador | 5342 W Devon Ave Chicago, IL 60646 | | | |
| Joanna | Obara | RE/MAX City | 5435 N. Harlem Ave. Chicago, IL 60656 | | | |
| JoEllen M | Oster | Blockshopper MLS | 875 N Michigan Ave Ste#3100 Chicago, IL 60610 | | | |
| John | Oetter | @properties | 1586 N. Clybourn Chicago, IL 60622 | | | |
| John A | Oshana | Showcase Realty Company | 2001 W. Montrose Ave Chicago, IL 60618 | | | |
| John D | Openshaw | Koenig& Strey GMAC Real Estate | 900 N. Michigan Ave. #1700 Chicago, IL 60611 | | | |
| John R | Oyen | Northern Illinois Brokers | 6204 W Irving Park Rd Chicago, IL 60634 | | | |
| John S | Osga | Nexus Chicago Realty | 363 W Erie #5E Chicago, IL 60610 | | | |
| Jolita | Ortiz | Coldwell Banker Residential | 5404 W. Devon Ave. Chicago, IL 60646 | | | |
| Jorge M | Ortega | Amerimax Real Estate Partners | 4169 South Archer Ave. Chicago, IL 60632 | | | |
| Jose | Orjales | Roman Properties, LLC. | 2207 N. Western Ave. Suite C4 Chicago, IL 60647 | | | |
| Jose Lucas L | Oliveira | Coldwell Banker | 1457 W. Belmont Chicago, IL 60657 | | | |
| Jose M | Orozco | Century 21 Salamanca Realty | 3158 W 47th St Chicago, IL 60632 | | | |
| Judith A | Orlando | Sudler Sotheby's International | 919 N. Michigan Ave., 3rd Flr. Chicago, IL 60611 | | | |
| Julie A | Odisho | Success Realty Group Inc | 4888 W. Armitage Ave. Chicago, IL 60639 | | | |
| Karen A | Orlich | Allstate Appraisal | 320 W. 202nd Street Chicago Heights, IL 60411 | | | |
| Karla | Owens Davis | Century 21 Home Wizards Realty | 8149-A S. Stony Island Ave. Chicago, IL 60617 | | | |
| Karolina | Oliver | @properties | 1586 N. Clybourn Chicago, IL 60622 | | | |
| Katarzyna | Osikowicz | Executive Home Realty, Inc. | 7504 W. Belmont Chicago, IL 60634 | | | |
| Katerina | Ostojic | Koral Realty | 5321 N. Lincoln Ave. Suite A Chicago, IL 60625 | | | |
| Katharine | Overton | Overton Real Estate | 3015 W Wilson Chicago, IL 60625 | | | |
| Katherine | Overby | Century 21 McMullen | 6400 N. Northwest Hwy. Chicago, IL 60631 | | | |
| Kathy | Oehley | Capital Real Estate Services | 6215 W Touhy Ave Chicago, IL 60646 | | | |
| Khamis | Omar | Century 21 Select Realty | 6218 N. Pulaski Chicago, IL 60646 | | | |
| Kimberly | Olson | Baird & Warner | 737 N. Michigan Ave #1800 Chicago, IL 60611 | | | |
| Kimberly A | Oehmke | Cacciatore Harper | 1633 S. Michigan Ave Chicago, IL 60616 | | | |
| Kimberly N | Offord | Supreme Manor RE Services | 1840 W. 95th St. Chicago, IL 60643 | | | |
| Lori M | Osmanski | Sudler Sotheby's International | 213 N Stetson Chicago, IL 60601 | | | |
| Louis P | Orlando | Century 21 McMullen | 6400 N. Northwest Hwy. Chicago, IL 60631 | | | |
| Lourdes O | Oliver Benz | Showcase Realty Company | 2001 W. Montrose Ave Chicago, IL 60618 | | | |
| Lucy | Osuchowski | Century 21 Salamanca Realty | 3158 W 47th St Chicago, IL 60632 | | | |
| Luis G | Ortiz | Century 21 M.B. Real Estate | 3015 W. Roscoe Chicago, IL 60618 | | | |
| Luisa | Ojeda | Professional RE Partners | 5680 S. Archer Ave. Chicago, IL 60638 | | | |
| Luz M | Orellano | Felmar Realty, Inc. | 3325 W. Belmont Ave. Chicago, IL 60618 | | | |
| Lynda | Olivera | Coldwell Banker Residential | 5404 W. Devon Ave. Chicago, IL 60646 | | | |
| Lynn | Oliver-Gutierrez | Century 21 Ambassador | 5342 W Devon Ave Chicago, IL 60646 | | | |
| Malgorzata | Ogorzalek | Realty Exchange, Inc. | 3755 N. Harlem Avenue Chicago, IL 60634 | | | |
| Marcela | Orozco | Century 21 Casalandia | 3117 W. 63rd St Chicago, IL 60629 | | | |
| Marcos | Oropeza | Marcus Oropeza | 1005 W Webster Ave #14 Chicago, IL 60614 | | | |
| Margie A | Overby | Century 21 Kennedy Ryan, Et Al | 5508 S Lake Park Ave Chicago, IL 60637 | | | |
| Maria | Ochoa | Midwest P.D.L. Real Estate | 3901 West 55th Street Chicago, IL 60629 | | | |
| Maria A | Ojeda | Related Midwest Sales LLC | 350 W Hubbard St, STE 301 Chicago, IL 60610 | | | |
| Maria G | Ortiz | Futura Realty Ltd. | 3203 S. Pulaski Rd. Chicago, IL 60623 | | | |
| Maria Teresa T | Ortiz | Century 21 S.G.R., Inc. | 1823 S. Michigan Avenue Chicago, IL 60616 | | | |
| Marilyn C | Olson | R. A. Olson Realty | 11759 S Campbell Av Chicago, IL 60655 | | | |
| Marisela | Ochoa | Koenig& Strey GMAC Real Estate | 900 N. Michigan Ave. #1700 Chicago, IL 60611 | | | |
| Mark | Olshansky | JMM Realty, Inc. | 4312 N. Lincoln Chicago, IL 60618 | | | |
| Mark | Olson | Mark R. Olson | 1832 W. Race Chicago, IL 60622 | | | |
| Mark | Orwat | Home Pride Real Estate Inc. | 5860 W. Irving Park Rd. Chicago, IL 60634 | | | |
| Marta D | Owca | RE/MAX City REALTORS | 6900 W. Belmont Ave. Chicago, IL 60634 | | | |
| Martin | Ortiz | Futura Realty Ltd. | 3203 S. Pulaski Rd. Chicago, IL 60623 | | | |
| Martina | Osorio | ERA Realife Realty | 5835 W. Montrose Ave. Chicago, IL 60634 | | | |
| Mary | Oberman | Chicago Brokers Corp. | 5620 W. Montrose Chicago, IL 60634 | | | |
| Marzena | Orzechowski | Realty Exchange, Inc. | 3755 N. Harlem Avenue Chicago, IL 60634 | | | |
| Matthew J | Ohlsen | Coldwell Banker Residential | 1959 N. Halsted St. Chicago, IL 60614 | | | |
| Maximilian P | Ortega | Baird & Warner | 4040 N Lincoln Ave Chicago, IL 60618 | | | |
| Megan | Oswald | Megan Oswald | 1005 W. Webster Ste#14 Chicago, IL 60614 | | | |
| Michael J | Osebold | ALPHA-1 REAL ESTATE | 5016 W Foster Chicago, IL 60630 | | | |
| Michelle | Ong | Landmark & Property Group, Inc | 2465 S. Archer, 1/F Chicago, IL 60616 | | | |
| Michelle D | Orton | SRB Realty | 5 East 14th Place, #703 Chicago, IL 60605 | | | |
| Mickey | Ostojic | Showcase Realty Company | 2001 W. Montrose Ave Chicago, IL 60618 | | | |
| Mike | ODay | Americorp, Ltd | 5840 W. 63rd Street Chicago, IL 60638 | | | |
| Miriam | Ortiz | Realty World All Pro, Inc. | 7134 W Grand Ave Chicago, IL 60707 | | | |
| Mynor | Ochoa | ERA Realife Realty | 5835 W. Montrose Ave. Chicago, IL 60634 | | | |
| Nadiya | Ozdrovska | Keller Williams Lincoln Park | 2106 N. Clark St. Chicago, IL 60614 | | | |