By partner
- A&A Neo Technology
- ABAXA AG
- ACI Worldwide
- acocon
- Acubiz
- Adaptive Solutions
- Adaptris
- Addedo AG
- Addedo
- Adjacent Technologies, Inc.
- ADM
- Advanced Business Solutions
- Advania
- AeroScout
- Aexis
- Alcatel-Lucent
- AlignAlytics
- Allegro Associates
- Alpine Consulting, Inc.
- Alstom Grid
- ALSTOM Transport
- Amatra Technologies
- Ancept
- Appliance Technologies Mexico S.A. de C.V.
- Applied Analytix
- Applied Technologies
- ARCAD Software
- Armstrong Process Group, Inc.
- Arrow Enterprise Computing Solutions Ltd.
- Artesian Solutions
- Ascendant Technology Europe AG (Atech)
- Ascendant Technology, LLC
- Ascendant Technology
- Asian Business Solutions, Inc. (ABSI)
- ASI Informatique
- Assimil8
- Astra Infotech
- Atea
- Atos Origin
- AutoCont CZ a.s
- Avada Software
- Aviana
- AVM GmbH & Co. Softbase KG
- Avrio Corporation
- Axispoint
