| A |
Allegro, AMD, AMIC, Intel, Intronics |
| AC |
AD, NEC |
| ACD |
ACD |
| ACF |
GI |
| ACT |
Actel |
| AD |
AD, AMPH, Harris, Intersil, Maxim, Philips |
| ADC |
AD, Datel, NS, PMI, Harris, Maxim, Motorola, NS, Signetics, TI |
| ADDAC |
AD |
| ADDSP |
AD |
| ADEL |
AD |
| ADG |
AD |
| ADGH |
AD |
| ADM |
AD |
| ADP |
AD |
| ADSP |
AD |
| ADV |
AD, SGS |
| AFT |
Atmel |
| AH |
Optical Electronics Inc. |
| AI |
PROJ |
| AJ |
Philips |
| AJW |
AROM |
| AK |
ASKA |
| AL |
Acculin |
| ALD |
Advanced Linear Devices |
| ALI |
ALi |
| AM* |
AMD, Atmel, Datel, NS, SGS, TI |
| AMD |
AD, AMD |
| AMP* |
AD |
| AMPAL |
AMD |
| AMX |
Maxim |
| AN |
Matsushita, Motorola, NS, Panasonic |
| AO |
AD |
| AP |
Aptos, Intel |
| AS |
ALLIA |
| AT |
Atmel, HP, Intel, SGS |
| ATF |
Atmel |
| ATT |
ATT |
| ATTCC |
ATT |
| ATTL |
ATT |
| ATV |
Atmel |
| AVS |
Samsung, SGS |
| AVSIBCP |
SGS |
| AVXIBCP |
SGS |
| AY |
GI |
