| Organization | City/State | Zip | Specialty | Name |
| Crystal Lake, IL | 60014 | Sleep Disorder Diagnostic | MEMBER Daniel Murdoch |
| Carbondale, IL | 62901 | Sleep Disorder Diagnostic | FACILITY MANAGER Rachel Shelton |
| Algonquin, IL | 60102 | Sleep Disorder Diagnostic | MEDICAL DIRECTOR Benjamin Nager |
| Joliet, IL | 60435 | Sleep Disorder Diagnostic | OFFICER Anthony Proske |
| Westmont, IL | 60559 | Sleep Disorder Diagnostic | CEO Peter Freebeck |
| Hinsdale, IL | 60521 | Sleep Disorder Diagnostic | PRESIDENT Altamash Jamal |
| Chicago, IL | 60630 | Sleep Disorder Diagnostic | PRESIDENT David Dorn |
| Joliet, IL | 60435 | Sleep Disorder Diagnostic | COO Connie Powers |
| Chicago, IL | 60618 | Sleep Disorder Diagnostic | OWNER Waldemar Chodakowski |
| Chicago, IL | 60611 | Sleep Disorder Diagnostic | PRACTICE MANAGER Linda Marra |
| Marion, IL | 62959 | Sleep Disorder Diagnostic | PRESIDENT Rodney Brown |
| Barrington, IL | 60010 | Sleep Disorder Diagnostic | EVP CFO Carl Iberger |
| Chicago, IL | 60614 | Sleep Disorder Diagnostic | EVP-CFO Carl Iberger |
| Oak Lawn, IL | 60453 | Sleep Disorder Diagnostic | EVP-CFO Carl Iberger |
| Des Plaines, IL | 60016 | Sleep Disorder Diagnostic | EVP-CFO Carl Iberger |
| Hoffman Estates, IL | 60169 | Sleep Disorder Diagnostic | EVP-CFO Carl Iberger |
| Orland Park, IL | 60467 | Sleep Disorder Diagnostic | EVP CFO Carl Iberger |
| Chicago, IL | 60630 | Sleep Disorder Diagnostic | PRESIDENT David Dorn |
| Aurora, IL | 60504 | Sleep Disorder Diagnostic | CREDENTIALING MANAGER Wasifullah Syed |
| Gurnee, IL | 60031 | Sleep Disorder Diagnostic | TRUSTEE Abdullah Shizgar |
| Chicago, IL | 60616 | Sleep Disorder Diagnostic | PRESIDENT Nyambi Ebie |
| Morris, IL | 60450 | Sleep Disorder Diagnostic | OWNER David Immel |
| Chicago, IL | 60659 | Sleep Disorder Diagnostic | PRESIDENT Ahuva Shabat |
| Glen Carbon, IL | 62034 | Sleep Disorder Diagnostic | CO OWNER Byron Martin |
| Evanston, IL | 60203 | Sleep Disorder Diagnostic | PRESIDENT Lisa Shives |
| Des Plaines, IL | 60016 | Sleep Disorder Diagnostic | PRESIDENT Mohammed Anwar |
| Bloomingdale, IL | 60108 | Sleep Disorder Diagnostic | PRESIDENT Maqsood Jafri |
| Arlington Heights, IL | 60004 | Sleep Disorder Diagnostic | EXECUTIVE DIRECTOR William Stamer |
| Chicago, IL | 60611 | Sleep Disorder Diagnostic | EXECUTIVE DIRECTOR William Stamer |
| Elmhurst, IL | 60126 | Sleep Disorder Diagnostic | VICE PRESIDENT & EXECUTIVE DIRECTOR William Stamer |
| Lombard, IL | 60148 | Sleep Disorder Diagnostic | EXECUTIVE DIRECTOR William Stamer |
| River Forest, IL | 60305 | Sleep Disorder Diagnostic | VICE PRESIDENT & EXECUTIVE DIRECTOR William Stamer |
| Hoffman Estates, IL | 60192 | Sleep Disorder Diagnostic | EXECUTIVE DIRECTOR William Stamer |
| St Charles, IL | 60174 | Sleep Disorder Diagnostic | EXECUTIVE DIRECTOR William Stamer |
| Streamwood, IL | 60107 | Sleep Disorder Diagnostic | EXECUTIVE DIRECTOR William Stamer |
| Bloomington, IL | 61704 | Sleep Disorder Diagnostic | PRESIDENT BOARD OF DIRECTORS Leslie Mathers |
| Aurora, IL | 60504 | Sleep Disorder Diagnostic | ADMINISTRATOR Dana Balicki |
| Yorkville, IL | 60560 | Sleep Disorder Diagnostic | EXECUTIVE DIRECTOR Dana Balicki |
| Effingham, IL | 62401 | Sleep Disorder Diagnostic | PRESIDENT Jeff Rector |
| Herrin, IL | 62948 | Sleep Disorder Diagnostic | OPERATING MANAGER Cassandra Wood |
| Morris, IL | 60450 | Sleep Disorder Diagnostic | PROVIDER Peter Analytis |
| Naperville, IL | 60563 | Sleep Disorder Diagnostic | EXECUTIVE DIRECTOR William Stamer |
| Sycamore, IL | 60178 | Sleep Disorder Diagnostic | PHYSICIAN Vivek Thappa |
| Elburn, IL | 60119 | Sleep Disorder Diagnostic | CEO Oleg Shulzhenko |
| Ottawa, IL | 61350 | Sleep Disorder Diagnostic | PRESIDENT Robert Chaffin |
| Glenview, IL | 60026 | Sleep Disorder Diagnostic | PRESIDENT Michel Kretchmar |
| River Forest, IL | 60305 | Sleep Disorder Diagnostic | VP & EXECUTIVE DIRECTOR William Stamer |
| Chicago, IL | 60631 | Sleep Disorder Diagnostic | EXECUTIVE DIRECTOR William Stamer |
| Evanston, IL | 60202 | Sleep Disorder Diagnostic | EXECUTIVE DIRECTOR William Stamer |
| Chicago, IL | 60657 | Sleep Disorder Diagnostic | EXECUTIVE DIRECTOR William Stamer |
| Skokie, IL | 60077 | Sleep Disorder Diagnostic | ADMINISTRATOR Arlen Peterson |
| Vernon Hills, IL | 60061 | Sleep Disorder Diagnostic | MEDICAL DIRECTOR Alexander Golbin |
| Bloomington, IL | 61704 | Sleep Disorder Diagnostic | DIRECTOR Brian Mcdonald |
| Chicago, IL | 60659 | Sleep Disorder Diagnostic | PRESIDENT Mohammad Mannan |
| Bensenville, IL | 60106 | Sleep Disorder Diagnostic | PRESIDENT Mark Philip |
| Aurora, IL | 60506 | Sleep Disorder Diagnostic | OWNER/PHYSICIAN Mohammed Mahkri |
| West Frankfort, IL | 62896 | Sleep Disorder Diagnostic | MEMBER Rick Stradtner |
| Bourbonnais, IL | 60914 | Sleep Disorder Diagnostic | PRESIDENT Afiz Taiwo |
| Chicago, IL | 60632 | Sleep Disorder Diagnostic | PRESIDENT Jerry Szymanski |
| Naperville, IL | 60565 | Sleep Disorder Diagnostic | OWNER Luanne Armstrong |
| Aurora, IL | 60506 | Sleep Disorder Diagnostic | CO-CEO Mohammed Mahkri |
| Hoffman Estates, IL | 60169 | Sleep Disorder Diagnostic | EVP-CAO Carl Iberger |
| Oak Lawn, IL | 60453 | Sleep Disorder Diagnostic | EVP-CAO Carl Iberger |
| Des Plaines, IL | 60016 | Sleep Disorder Diagnostic | EVP-CAO Carl Iberger |
| Lake Villa, IL | 60046 | Sleep Disorder Diagnostic | PARTNER Kathryn Kane |
| Chicago, IL | 60610 | Sleep Disorder Diagnostic | MEDICAL DIRECTOR Craig Schwimmer |
| Chicago, IL | 60632 | Sleep Disorder Diagnostic | PRESIDENT Jerry Szymanski |
| Calumet City, IL | 60409 | Sleep Disorder Diagnostic | PRESIDENT Wojciech Ornowski |
| Chicago, IL | 60617 | Sleep Disorder Diagnostic | PRESIDENT Sudeep Bisla |
| Marion, IL | 62959 | Sleep Disorder Diagnostic | BILLING MANAGER Anita Hopkin |
| Hoffman Estates, IL | 60169 | Sleep Disorder Diagnostic | EXECUTIVE DIRECTOR William Stamer |
| Crystal Lake, IL | 60014 | Sleep Disorder Diagnostic | PRESIDENT Dennis Kellar |
| Tinley Park, IL | 60477 | Sleep Disorder Diagnostic | MANAGER Natan Scher |
| Oak Park, IL | 60301 | Sleep Disorder Diagnostic | PRESIDENT Mircea Iacob |
| Roselle, IL | 60172 | Sleep Disorder Diagnostic | PRESIDENT Kelly Vuong |
| Chicago, IL | 60610 | Sleep Disorder Diagnostic | DIRECTOR Linda Huang |
| Chicago, IL | 60628 | Sleep Disorder Diagnostic | OWNER/PHARMACIST Adele Vanjackson |
| Hoffman Estates, IL | 60192 | Sleep Disorder Diagnostic | OWNER Kianoosh Jafari |
| Champaign, IL | 61822 | Sleep Disorder Diagnostic | CONTROLLER/HUMAN RESOURCES DIRECTOR Lindsey Perrine |
| Chicago, IL | 60602 | Sleep Disorder Diagnostic | AUTHORIZED OFFICIAL Katherine Reed |
| Belleville, IL | 62226 | Sleep Disorder Diagnostic | PRESIDENT Donald Burden |
| Scott Afb, IL | 62225 | Sleep Disorder Diagnostic | AIR FORCE UNIFORM BUSINESS OFFICE Christopher Eaton |
| Ottawa, IL | 61350 | Sleep Disorder Diagnostic | OWNER/OPERATOR Deborah Vessell |
| Elmwood Park, IL | 60707 | Sleep Disorder Diagnostic | BILLER Nancy Jackson |
| Chicago, IL | 60632 | Sleep Disorder Diagnostic | MANAGER Marvin Tazelaar |
| West Dundee, IL | 60118 | Sleep Disorder Diagnostic | PRESIDENT Srinivas Ravanam |
| Niles, IL | 60714 | Sleep Disorder Diagnostic | PHYSICIAN Grace Akiens |
| Chicago, IL | 60616 | Sleep Disorder Diagnostic | DOCTOR Sasa Stojanovic |
| Chicago, IL | 60601 | Sleep Disorder Diagnostic | CEO Chanay Walton |
| Chicago, IL | 60643 | Sleep Disorder Diagnostic | PRESIDENT Chanay Walton |
| Glenview, IL | 60025 | Sleep Disorder Diagnostic | PRESIDENT Rhonda Penzell |
| Hoffman Estates, IL | 60169 | Sleep Disorder Diagnostic | PRESIDENT A Melissa Lopez |
| Chicago, IL | 60611 | Sleep Disorder Diagnostic | PHYSICIAN Andrew Rosenson |
| Addison, IL | 60101 | Sleep Disorder Diagnostic | PRESIDENT Walter Perez |
| Olympia Fields, IL | 60461 | Sleep Disorder Diagnostic | PRESIDENT Jack Yi |
| Alsip, IL | 60803 | Sleep Disorder Diagnostic | PRESIDENT Jack Yi |
| Melrose Park, IL | 60160 | Sleep Disorder Diagnostic | PRESIDENT Jean Alexandre |
| Skokie, IL | 60077 | Sleep Disorder Diagnostic | MEMBER Aaron Topper |
| Libertyville, IL | 60048 | Sleep Disorder Diagnostic | PRESIDENT Maxim Gorelik |
| Glen Ellyn, IL | 60137 | Sleep Disorder Diagnostic | VP Tammy Stern |