| Amazon Region Protected Areas |
Environmental |
ARPA |
| Advanced Research Project Agency |
Ocean Science |
ARPA |
| DoD] Advanced Research Projects Agency |
Government |
ARPA |
| Automatic Radar Plotting Accessory |
Military and Defence |
ARPA |
| Address Resource Program Access |
Softwares |
ARPA |
| Advanced Research Projects Agency |
Military |
ARPA |
| Automatic Radar Plotting Aid |
Transportation |
ARPA |
| Advanced Rapid Process Agent |
Softwares |
ARPA |
| Address and Routing Parameter Area |
Information Technology |
ARPA |
| Advanced Research Projects Administration |
University |
ARPA |
| Archaeological Resources Protection Act |
US Government |
ARPA |
