| Availity | Jacksonville | Fla. |
| Awarepoint Corp. | San Diego | Calif. |
| Baptist Health South Florida | Coral Gables | Fla. |
| Baylor Health Care System | Dallas | Texas |
| Bon Secours Richmond Health System | Richmond | Va. |
| Buena Vista Regional Medical Center | Storm Lake | Iowa |
| Centegra Health System | Crystal Lake | Ill. |
| Centene Corp. | St. Louis | Mo. |
| Central Baptist Hospital | Lexington | Ky. |
| CGH Medical Center | Sterling | Ill. |
| Chandler Regional Medical Center | Chandler | Ariz. |
| Chelsea Community Hospital | Chelsea | Mich. |
| Children's Memorial Hospital | Chicago | Ill. |
| Children's Specialized Hospital | Mountainside | N.J. |
| CHRISTUS St. Michael Health System | Texarkana | Texas |
| Columbus Regional Hospital | Columbus | Ind. |
| Community Health Systems | Franklin | Tenn. |
| Corazon | Pittsburgh | Pa. |
| Del Sol Medical Center | El Paso | Texas |
| Doctors Hospital of Sarasota | Sarasota | Fla. |
| EMHS | Brewer | Maine |
| EMP Management Group | Canton | Ohio |
| Firelands Regional Medical Center | Sandusky | Ohio |
| Fisher-Titus Medical Center | Norwalk | Ohio |
| FreemanWhite | Charlotte | N.C. |
| GE Capital, Healthcare Financial Services | Bethesda | Md. |
| Geonetric | Cedar Rapids | Iowa |
| Hancock Regional Hospital | Greenfield | Ind. |
| Hays Medical Center | Hays | Kan. |
| HealthEast Care System | St. Paul | Minn. |
| Holy Name Hospital | Teaneck | N.J. |
| Home Nursing Agency | Altoona | Pa. |
| Iatric Systems | Boxford | Mass. |
| IMA Consulting | Chadds Ford | Pa. |
| Indiana Regional Medical Center | Indiana | Pa. |
| Intelligent InSites | Fargo | N.D. |
| IPC-The Hospitalist Co. | North Hollywood | Calif. |
| Jackson Purchase Medical Center | Mayfield | Ky. |
| JSA Healthcare | St. Petersburg | Fla. |
| Kessler Rehabilitation Center | Lyndhurst | N.J. |
| King's Daughters Medical Center | Ashland | Ky. |
| Kootenai Health | Coeur d'Alene | Idaho |
| Lakewood Ranch Medical Center | Bradenton | Fla. |
| Langlade Hospital | Antigo | Wis. |
| LiquidAgents Healthcare | Plano | Texas |
| Logical Images | Rochester | N.Y. |
| Longview Regional Medical Center | Longview | Texas |
| Lovelace Women's Hospital | Albuquerque | N.M. |
| Main Line Health | Bryn Mawr | Pa. |
| MBK Senior Living | Irvine | Calif. |
| MEDecision | Wayne | Pa. |
| Memorial Health Center | Medford | Wis. |
| Memorial Healthcare System | Hollywood | Fla. |
| Mercy Gilbert Medical Center | Gilbert | Ariz. |
| Methodist Health System | Dallas | Texas |
| Methodist Le Bonheur Healthcare | Memphis | Tenn. |
| Moffitt Cancer Center | Tampa | Fla. |
| Neosho Memorial Regional Medical Center | Chanute | Kan. |
| North Mississippi Health Services | Tupelo | Miss. |
| Northwest Community Hospital | Arlington Heights | Ill. |
| Norton Healthcare | Louisville | Ky. |
| Palmetto Health | Columbia | S.C. |
| Parkview Health | Fort Wayne | Ind. |
| Parrish Medical Center | Titusville | Fla. |
| Pharmacy OneSource | Middleton | Wis. |
| Pikeville Medical Center | Pikeville | Ky. |
| PinnacleHealth System | Harrisburg | Pa. |
| Poudre Valley Health System | Fort Collins | Colo. |
| Preferred Care Partners | Miami | Fla. |
| Premier | Charlotte | N.C. |
| Rex Healthcare | Raleigh | N.C. |
| Rush-Copley Medical Center | Aurora | Ill. |
| Sage Products | Cary | Ill. |
| Saint Barnabas Health Care System | West Orange | N.J. |
| Saint Francis Medical Center | Cape Girardeau | Mo. |
| Sarah Cannon Research Institute | Nashville | Tenn. |
| Schneck Medical Center | Seymour | Ind. |
| Signature HealthCARE | Palm Beach Gardens | Fla. |
| South Dayton Acute Care Consultants | Dayton | Ohio |
| St. Elizabeth Community Hospital | Red Bluff | Calif. |
| St. Francis Hospital: The Heart Center | Roslyn | N.Y. |
| St. John's Mercy Health Care | St. Louis | Mo. |
| St. Joseph's Hospital and Medical Center | Phoenix | Ariz. |
| Stuart Cardiology Group | Stuart | Fla. |
| Sutter Davis Hospital | Davis | Calif. |
| Sutter Maternity and Surgery Center | Santa Cruz | Calif. |
| Texas Health Harris Methodist Hospital Southlake | Southlake | Texas |
| The Advisory Board Co. | Washington | D.C. |
| The Beryl Cos. | Bedford | Texas |
| The Comprehensive Group | Glenview | Ill. |
| The University of Kansas Hospital | Kansas City | Kan. |
| Trilogy Health Services | Louisville | Ky. |
| UAB Health System | Birmingham | Ala. |
| Valley Health System | Ridgewood | N.J. |
| Valley Medical Center | Renton | Wash. |
| VHA | Irving | Texas |
| Woman's Hospital | Baton Rouge | La. |
| Wright Medical Center | Clarion | Iowa |
| Yale-New Haven Hospital | New Haven | Conn. |
| Zeeland Community Hospital | Zeeland | Mich. |
