| ANTIGEN PLUS USERS -- MAY 2011 | |||
| Country | State | City | |
| American Red Cross | USA | AL | Birmingham |
| Washington Regional Medical Center | USA | AR | Fayetteville |
| White River Medical Center | USA | AR | Batesville |
| Blood Systems of Tempe | USA | AZ | Tempe |
| Blood Systems, Inc. | USA | AZ | Scottsdale |
| American Red Cross - Los Angeles | USA | CA | Los Angeles |
| Blood Centers of the Pacific | USA | CA | San Francisco |
| BloodSource | USA | CA | Mather |
| Delano Regional Medical Center | USA | CA | Delano |
| Hoag Memorial Hospital | USA | CA | Newport Beach |
| Stanford University Hospital | USA | CA | Stanford |
| UCSF Medical Center | USA | CA | San Francisco |
| Bonfils Blood Center | USA | CO | Denver |
| Boulder Community Hospital | USA | CO | Boulder |
| Mercy Regional Hospital | USA | CO | Durango |
| American Red Cross - Connecticut | USA | CT | Farmington |
| MidState Medical Center | USA | CT | Hartford |
| Children's National Medical Center | USA | DC | Washington |
| Georgetown University Hospital | USA | DC | Washington |
| Blood Alliance | USA | FL | Jacksonville |
| BloodNet USA | USA | FL | Lakeland |
| CBC South Florida | USA | FL | Miami |
| Community Blood Centers of South Florida | USA | FL | Lauderhill |
| Florida Blood Services | USA | FL | St. Petersburg |
| Florida's Blood Centers - Lake Park | USA | FL | Lake Park |
| Florida's Blood Centers - Orlando | USA | FL | Orlando |
| Suncoast Florida | USA | FL | Sarasota |
| American Red Cross Southern Region | USA | GA | Atlanta |
| Grady Health System | USA | GA | Atlanta |
| Southern Regional Medical Center (GA) | USA | GA | Riverdale |
| Blood Bank of Hawaii | USA | HI | Honolulu |
| Diagnostic Laboratory Services, Inc. | USA | HI | Honolulu |
| American Red Cross - Chicago | USA | IL | Chicago |
| CGH Medical Center | USA | IL | Sterling |
| Memorial Hospital | USA | IL | Belleville |
| Northwestern Memorial Hospital, Chicago | USA | IL | Chicago |
| V.A. Medical Center | USA | IL | Marion |
| Central Indiana Regional Blood Center | USA | IN | Indianapolis |
| Dearborn County Hospital | USA | IN | Lawrenceburg |
| Indiana Blood Center | USA | IN | Indianapolis |
| American Red Cross - Kansas | USA | KS | Wichita |
| American Red Cross - Kentucky | USA | KY | Louisville |
| Kentucky Blood Center | USA | KY | Lexington |
| LifeShare Blood Centers | USA | LA | Shreveport |
| New Orleans - The Blood Center | USA | LA | New Orleans |
| Brigham & Women's Hospital | USA | MA | Boston |
| Milford Regional Medical Center | USA | MA | Milford |
| American Red Cross - Baltimore | USA | MD | Baltimore |
| Johns Hopkins Enterprise | USA | MD | Baltimore |
| National Naval Medical Center | USA | MD | Bethesda |
| NIH Department of Transfusion Medicine | USA | MD | Bethesda |
| Botsford General Hospital | USA | MI | Farmington Hills |
| Northern Michigan Regional Hospital Lab | USA | MI | Petoskey |
| American Red Cross Blood Services | USA | MO | St. Louis |
| Community Blood Center of Kansas City | USA | MO | Kansas City |
| Mercy St. John's Hospital | USA | MO | Springfield |
| Biloxi Regional Medical Center | USA | MS | Biloxi |
| Singing River Hospital | USA | MS | Pascagoula |
| ARC Lewis & Clark Region | USA | MT | Great Falls |
| VCU Health System | USA | NC | Winston-Salem |
| Wake Forest University BMC | USA | NC | Raleigh |
| WakeMed Cary | USA | NC | Cary |
| Great Plains Medical Center | USA | NE | North Platte |
| Community Blood Services | USA | NJ | Paramus |
| American Red Cross - Syracuse | USA | NY | Syracuse |
| American Red Cross NY-Penn Region | USA | NY | West Henrietta |
| New York Blood Center | USA | NY | New York |
| Orange Regional Medical Center | USA | NY | Middletown |
| St. John's Episcopal Hospital | USA | NY | Bethpage |
| Woman's Christian Association | USA | NY | Jamestown |
| Community Blood Center | USA | OH | Dayton |
| EMH Regional Medical System | USA | OH | Elyria |
| Medina General Hospital | USA | OH | Medina |
| University of Cincinnati (Hoxworth) | USA | OH | Cincinnati |
| Hillcrest Medical Center | USA | OK | Tulsa |
| Canadian Blood Services | Canada | ON | Toronto |
| St. Michael's Hospital | Canada | ON | Toronto |
| Toronto General Hospital | Canada | ON | Toronto |
| American Red Cross Pacific Northwest Region | USA | OR | Portland |
| American Red Cross National Reference Laboratory | USA | PA | Philadelphia |
| American Red Cross Penn-Jersey | USA | PA | Philadelphia |
| Childrens Hospital of Philadelphia | USA | PA | Philadelphia |
| Lebanon VAMC | USA | PA | Lebanon |
| Memorial Medical Center | USA | PA | Johnstown |
| Saint Joseph's Hospital | USA | PA | Newtown Square |
| St. Mary's Medical Center | USA | PA | Newtown |
| V.A. Medical Center | USA | PA | Lebanon |
| Hema Quebec | Canada | PQ | Montreal |
| Institute of Medical and Veterinary Sci. | Australia | WA | Adelaide |
| American Red Cross - South Carolina | USA | SC | Charlotte |
| Roper St. Francis Health Care | USA | SC | Charleston |
| St. Francis Hospital SC | USA | SC | Charleston |
| American Red Cross - Nashville | USA | TN | Nashville |
| Blood Assurance | USA | TN | Chatanooga |
| Methodist Medical Center of Oak Ridge | USA | TN | Oak Ridge |
| Baptist St. Anthony's Health System | USA | TX | Amarillo |
| Dallas County Hospital District | USA | TX | Dallas |
| Gulf Coast Regional Blood Center | USA | TX | Houston |
| Hendrick Health System | USA | TX | Abilene |
| Memorial Hermann Hospital System | USA | TX | Houston |
| Parkland Memorial Hospital | USA | TX | Dallas |
| Qualtex - South Texas Blood & Tissue Center | USA | TX | San Antonio |
| American Red Cross - Roanoke | USA | VA | Roanoke |
| Bon Secours HealthPartners Laboratories | USA | VA | Richmond |
| Carilion - Roanoke | USA | VA | Roanoke |
| Martha Jefferson Hospital | USA | VA | Charlottesville |
| Medical College of Virginia | USA | VA | Charlottesville |
| Puget Sound Blood Center | USA | WA | Seattle |
| University of Wisconsin | USA | WI | Madison |
| Einstein Hosiptal | Brazil | Sao Paolo | |
| Magen David Adom | Israel | Tel Aviv | |
| National Health Services | United Kingdom | Bristol |