MDplates.com
MDplates is a joint venture between Jordan Irazabal of Delaware, and Scott Zillmer of Maryland. The goal is to find and photograph every special organization plate that Maryland offers.
Letter: A
| Type | High | Full Name |
| AV | AMVETS Department of Maryland | |
| AAA | Anne Arundel Alarmers Association | |
| AB | 005 | 173rd Airborne Unit "Sky Soldiers" |
| AB | Martin State Airport Fire Department | |
| ABC | Maryland State Bowling Association | |
| AC | Allegany High School Alumni Association | |
| ACE | 0053 | Greater Baltimore Tennis Patrons Assoc |
| ACR | 0052 | 11th Armored Calvary |
| AF | Air Force 459th Airlift Wing | |
| AFA | Air Force Association | |
| AFC | Antietam Fire Company | |
| AFD | Annapolis Professional Firefighters Local 1926 | |
| AG | 00409 | Ali Ghan Temple |
| AH | Annapolis, Maryland Chapter Harley Owners Group | |
| AH | Annapolis, Maryland Chapter Harley Owners Group (motorcycle) | |
| AI | Baltimore American Indian Center, Inc. | |
| AIA | Maryland Society of Architects | |
| AIR | Air Conditioning Contractors of America | |
| AIS | American Indian Society of Washington DC | |
| AK | Accokeek Volunteer Fire Department, Inc. | |
| AKA | 0986 | Alpha Kappa Alpha |
| AL | 2670 | The American Legion Department of Maryland, Inc. |
| ALA | 0354 | American Legion Auxiliary Department of Maryland, Inc. |
| ALR | American Legion Riders | |
| ALR | American Legion Riders (motorcycle) | |
| ALS | 0013 | ALS Association DC-MD-VA Chapter |
| ALX | 0101 | Alexandria Firefighters, Inc. |
| AM | Allen A.M.E. Church - Baltimore | |
| AMT | American Massage Therapy Association Maryland Chapter | |
| AN | 0188 | Mont. Co. Humane Society |
| AP | Anne Arundel County Professional Fire Fighters Local 1563 (motorcycle) | |
| AP | 0281 | Anne Arundel County Professional Firefighters Local 1563 |
| APA | 0418 | Alpha Phi Alpha |
| AQ | 0027 | NBAC Swimming |
| AR | Faith United Baptist Church | |
| ARF | 0043 | Animal Resource Foundation (ARFUSA.org) |
| ARK | Little Ark Missionary Baptist Church | |
| AR | Army Reserve | |
| ART | 0088 | MD Institute College of Art |
| AS | 0060 | Archeological Society of Maryland, Inc. |
| ASG | American Sewing Guild | |
| AT | 0001 | Almas Temple A. A. O. N. M. S. |
| AT | 210 | North Carolina A & T State University |
| ATC | 0029 | Annapolis Triathlon Club |
| ATU | Amalgamated Transit Union Local 1300 | |
| AU | American Federation of State, County and Municipal Employees, AFL-CIO | |
| AUE | 0016 | American University |
| AUT | 0006 | Autism Speaks |
| AV | Arcadia Volunteer Fire Company, Inc. | |
| AVA | Maryland Volksport Association | |
| AVF | 0044 | Allen Volunteer Fire Company |
| AW | 132 | American Whitewater Affiliation |
| AW | 0507 | United Autoworkers Local 239 |
| AW | United Autoworkers Local 239 (motorcycle) | |
| AX | Alpha Phi Alpha | |
| AYC | 0070 | Annapolis Yacht Club |
| AZ | 119 | Arizona State University Alumni Association |
| AZ | Frederick Memorial Hospital |
