- Asterios Tsiourvas
- Asunur Cezar
- Asvin Goel
- AT&T
- AT&T
- AT&T
- AT&T Capital
- AT&T Long Lines
- AT&T National Technical Center
- Atalay Atasu
- Atanu Lahiri
- Athanassios N. Avramidis
- Atul Modi
- Aubree Xia
- Auburn University Student Chapter
- Auburn University Student Chapter
- Audrey Holm
- Augustine O. Esogbue
- Augusto Ruperez Micola
- Aurélie Thiele
