Hersteller
- ABB
- ACRN
- AES
- AGFA
- AGNI
- AIR
- ALC
- AMA
- AND
- APC
- APV
- ATI Mattson
- AVL
- Abbe
- Abbott
- Abimed
- Actronic
- Adaltis
- Adam Equipment
- Adil Instruments
- Adixen
- Advalytix
- Aermac
- Aesculab
- Affymetrix
- Agilent_HP
- Ahlbrand
- Air Liquide
- Alcatel
- Allgaier
- Alltech
- Alluris
- Alpha
- Alpine
- Amelung
- Amersham
- Amersham Biosciences
- Analytik Jena
- Ancos
- Angelantoni
- Ansyco
- Antek
- Anthos
- Anton Paar
- Apioptic
- Appl.Biosystems
- Appligene
- Applikon
- Aqualytic
- Artison
- Asecos
- Astec
- Astell
- Asys Hitech
- Atago
- Atmion
- Autochem
- Autolab
- Axon
- analySIS
- A&D
- ABC
- ABX
- ACS
- AEG-Elektrolux
- AI
- ARL
- Abel
- Advanced Instruments
- Affymetrix - Thermo
- Afriso-Euro-Index
- Airflow
- Airmotec
- American DJ
- American Optical
- Amerlite
- Anadex
- Anglia Scientific
- Anseros
- Antares
- Antec
- Applied Biosystems
- Atotech
