| ALLIED HOME DIAGNOSTICS LTD | Organization | HOLLAND |
| APRN SLEEP, INC. | Organization | SYLVANIA |
| BEACON BIO DX, LLC | Organization | CLEVELAND |
| BIOSERENITY DT INC. | Organization | NORTH OLMSTED |
| BUCKEYE SLEEP DIAGNOSTICS, LLC | Organization | SHELBY |
| CAPITAL SLEEP CENTER, LTD | Organization | COLUMBUS |
| CIRCADIAN SLEEP CENTER, INC. | Organization | MARION |
| CLEVELAND MEDICAL DEVICES INC | Organization | CLEVELAND |
| COLUMBUS COMMUNITY HEALTH REGIONAL SLEEP DISORDERS CENTER INC | Organization | COLUMBUS |
| COLUMBUS SLEEP CONSULTANTS INC | Organization | COLUMBUS |
| CROSSROADS SLEEP DISORDERS CENTER LLC | Organization | BOARDMAN |
| CU SLEEP OF CUYAHOGA FALLS | Organization | CUYAHOGA FALLS |
| CUSTOM SLEEP SOLUTIONS, LLC | Organization | WESTERVILLE |
| DELTA HST, LTD | Organization | POLAND |
| DR. KEVIN CARTER SLEEP CENTER LLC | Organization | BEAVERCREEK |
| E L SLEEP CORP | Organization | EAST LIVERPOOL |
| EBISHEK INC | Organization | COLUMBUS |
| GRAND LAKE SLEEP CENTER | Organization | SAINT MARYS |
| GREATER COLUMBUS SLEEP AND WELLNESS | Organization | COLUMBUS |
| HENRY COUNTY SLEEP DISORDER CENTER | Organization | NAPOLEON |
| LIFELINE PARTNERS SLEEP & DIAGNOSTIC CENTER, INC | Organization | BEACHWOOD |
| LIFELINE PARTNERS SLEEP & DIAGNOSTIC CENTER, INC | Organization | NORTH CANTON |
| LIFELINE PARTNERS SLEEP & DIAGNOSTIC CENTER, INC | Organization | STOW |
| LIMA MEMORIAL PROFESSIONAL CORPORATION | Organization | LIMA |
| LIMA MEMORIAL PROFESSIONAL CORPORATION | Organization | LIMA |
| LIMA SLEEP DIAGNOSTIC LAB, LLC | Organization | LIMA |
| MANSFIELD SLEEP DISORDERS, LLC | Organization | MANSFIELD |
| MOUNT CARMEL HEALTH SYSTEM | Organization | COLUMBUS |
| NORTH EAST CINCINNATI SLEEP SOLUTIONS LLC | Organization | LOVELAND |
| OHIO CHEST PHYSICIANS LTD | Organization | CLEVELAND |
| OHIO HEALTH SLEEP DIAGNOSTIC CENTER | Organization | COLUMBUS |
| OHIO SLEEP DISORDERS | Organization | MEDINA |
| OHIO SLEEP DISORDERS CENTERS | Organization | AKRON |
| OHIO SLEEP DISORDERS CENTERS, LLC | Organization | UNIONTOWN |
| OHIO SLEEP DISORDERS CENTERS, LLC | Organization | HUDSON |
| OHIOHEALTH SLEEP SERVICES LLC | Organization | HILLIARD |
| OHIOHEALTH SLEEP SERVICES LLC | Organization | WESTERVILLE |
| OHIOHEALTH SLEEP SERVICES LLC | Organization | DELAWARE |
| OHIOHEALTH SLEEP SERVICES LLC | Organization | COLUMBUS |
| OHIOHEALTH SLEEP SERVICES LLC | Organization | GROVE CITY |
| OSU WEXNER MEDICAL CENTER AMBULATORY SURGERY CENTER | Organization | WESTERVILLE |
| PARMA COMMUNITY SLEEP CENTER LLC | Organization | PARMA |
| PCS SLEEP CENTER, LLC | Organization | MASSILLON |
| PHYSICIAN DIAGNOSTICS SLEEP TECHNOLOGY SPECIALISTS LLC | Organization | PERRYSBURG |
| PHYSICIAN SLEEP DIAGNOSTIC CENTERS NORTH LLC | Organization | HUBER HEIGHTS |
| PHYSICIAN SLEEP DIAGNOSTIC CENTERS, LLC | Organization | DAYTON |
| PINNACLE HEALTH ASSOCIATES, LTD | Organization | CINCINNATI |
| POLAND CENTER FOR SLEEP, LTD. | Organization | POLAND |
| PREMIER PHYSICIANS CENTERS, INC. | Organization | MIDDLEBURG HEIGHTS |
| PROFESSIONAL SLEEP DIAGNOSTICS, INC | Organization | PROCTORVILLE |
| PULMONARY MEDICINE OF DAYTON, INC | Organization | KETTERING |
| QUESTCARE SLEEP DIAGNOSTICS, LLC | Organization | CENTERVILLE |
| REM SLEEP CENTER, LLC | Organization | WESTERVILLE |
| REMEDY SLEEP, BH | Organization | NORTH OLMSTED |
| RESPIRATORY SOLUTIONS INC. | Organization | AVON LAKE |
| RESPIRATORY SUPPORT SERVICES, LLC | Organization | CUYAHOGA FALLS |
| REST TECHNOLOGIES OF CENTRAL OHIO, L.L.C. | Organization | PICKERINGTON |
| SECOR SLEEP DIAGNOSTIC CENTER, LLC | Organization | TOLEDO |
| SHORELINE MEDICAL SERVICES LLC | Organization | BEACHWOOD |
| SLEEP CARE OF AMERICA, LLC | Organization | WORTHINGTON |