- A.M. Pidgorny Institute for Mechanical Engineering Problems
- ABB S.p.A.
- ACT Operations Research
- ACTA mobilier
- ADITESS
- AEC Soluzioni srl
- AGH University of Science and Technology [Krakow, PL]
- AGILEA S.A.S.
- ALNEOS
- AMCS Research Center
- AMG Technology Ltd.
- ANSYS Germany GmbH
- APESA [Pau]
- APJ Abdul Kalam Technological University
- ARC Centre for Forest Value
- ASKO
- ATB - Institut für angewandte Systemtechnik Bremen
- ATHENA - Research and Innovation Center in Information, Communication and Knowledge Technologies
- ATHENA Research & Innovation Centre
- ATHENA Research and Innovation Centre in Information Communication and Knowledge Technologies
- ATLANTIS Engineering S.A.
- ATOS
- ATOS Origin
- ATOS [Barcelona]
- ATOS [madrid]
- AULIVE
- AVL List GmbH
- AVL-AST d.o.o
- Aalborg University [Denmark]
- Aalen University of Applied Sciences
- Aalesund University College
- Aalto University
- Aalto University School of Science and Technology [Aalto, Finland]
- Aarhus University Hospital
- Aarhus University [Aarhus]
- Aberystwyth University
- Academy of Instrumental Modern TRIZ
- Academy of Shandong BaoLai-LeeLai Bioengineering Co. Ltd
- Academy of Spaceflight Technology [Shanghai]
- Academy of the Ministry of Emergency Situations of the Republic of Azerbaijan
- Accenture Labs [Ireland]
- Accirrus
- Accounting School
- Acthan Expertises
- Action Design
- Active Innovation Management
- AddiFab ApS
- Addis Ababa University
- Administratia Nationala de Meteorologie
- Administration of Quality Supervision, Inspection and Quarantine
- Administrative Centre for China's Agenda 21
- Advanced Institutes of Convergence Technology [Suwon-si]
- Advanced Manufacturing and Materials
- Advanced Research Center on Electronic Systems for Information and Communication Technologies E. De Castro [Bologna]
- Advanced System Technology [Ilmenau]
- Advanced Technology Systems
- Advanced Technology Systems [Romania]
- Adventure Research [Warnsveld]
- Aeroport International de Marseille-Provence
- Agency for science, technology and research [Singapore]
- Agenor-I
- Agenzia Lucana di Sviluppo e di Innovazione in Agricoltura
- Agenzia Nazionale per le nuove Tecnologie, l’energia e lo sviluppo economico sostenibile = Italian National Agency for New Technologies, Energy and Sustainable Economic Development
- Aghetera Environment & Development
- Aghetera Sas
- Agilent Technologies France
- Agricultural Information Institute
- Agricultural Information Institution of CAAS
- Agricultural Technological Extensive Station of Luntai County in Xinjiang
- Agricultural University of Hebei
- Agriculture College
- Agriculture Division: Department of Environment and Primary Industries
- Agriculture Information Institute
- Agriculture Research Service
- Agriculture Research: Department of Environment and Primary Industries
- Agriculture and Agri-Food
- AgroApps
- AgroSup Dijon - Institut National Supérieur des Sciences Agronomiques, de l'Alimentation et de l'Environnement
- Agroknow [Athens]
- Agronomy College Henan
- Agronomy College of Henan Agricultural University
- Agrophysical Research Institute
- Aichi Gakuin University
- Ainia centro tecnológico Valencia
- Ainia centro tecnológico, Parque tecnológico de Valencia
- Air Force Engineering University [Xi'an]
- Airbus Defence and Space [Taufkirchen]
- Airbus Group
- Airbus Group Innovations [Suresnes]
- Airbus Group [Madrid]
- Airbus Helicopters
- Airbus Operation S.A.S.
- Airbus Operations GmbH
- Airbus Operations Ltd
- Airbus [France]
- Airbus [Sevilla]
- Airbus [United Kingdom]
- Aix Marseille Université
- Aker Solutions AS [Bergen]
- Akita University
- Al-Farabi Kazakh National University [Almaty]
- Alberta Machine Intelligence Institute
- Algorithm Ltd.
- Alibaba Group [Hangzhou]
- Alma Mater Studiorum Università di Bologna = University of Bologna
- Alstom Transporte SA
- Alta Scuola Politecnica
- Altshuller Institute
- Altuity Solutions
- Amadeus Data Processing GmbH [Erding]
- Amazon [Berlin]
- Amirkabir University of Technology
- Amman Arab University
- Ampère
- Ampère, Département Méthodes pour l'Ingénierie des Systèmes
- Amrita Vishwa Vidyapeetham
- Amsterdam Machine Learning Lab
- Amsterdam University of Applied Sciences
- Anhalt University of Applied Sciences
- Anhui Academy of Agricultural Sciences
- Anhui Agricultural University [Hefei]
- Anhui Agriculture University
- Anhui Institute of Architectural and Industry
- Anhui Provincial Meteorological Bureau
- Anhui University [Hefei]
- Anna University
- Ansaldo Energia
- Ansaldo STS·
- Antecs S.r.l.
- Aoyama Gakuin University
- Applied Statistics Unit
- Apply Sørco
- Aptos Retail [Milan]
- Arcada University of Applied Sciences
- Arcelik A.S
- Argumentation, Décision, Raisonnement, Incertitude et Apprentissage
- Aristotle University of Thessaloniki
- Arizona State University [Tempe]
- Arma dei Carabinieri Caserma Palidoro
- Arrival UK
- Artelia Eau & Environnement [Echirolles]
- Artelia Eau & Environnement [Lyon]
- Artificial Intelligence Laboratory
- Artificial Intelligence Laboratory [EPFL]
- Arts et Metiers ParisTech, LCPI
- Arts et Métiers ParisTech
- Arts et Métiers Paristech ENSAM Aix-en-Provence
- Arts et Métiers Sciences et Technologies
- Arxia
- Ashridge Executive Education
- Asia University
- Asia-Pacific Economic Cooperation
- Asian Institute of Technology [Pathumthani]
- Assistance publique - Hôpitaux de Paris (AP-HP)
- Assistant Professor Civil Engineering Faculty
- Associação Paulista para o Desenvolvimento da Medicina
- Assystem France
- Aston University [Birmingham]
- AstraZeneca
- Athens Technology Center S.A. [Athènes]
- Athens University of Economics and Business
- AtoS
- Atos
- Atos Spain
- Attica Wealth Management
- Auburn University
- Auckland University of Technology
- Audencia Business School
- Audros Technology
- Augsburg University of Applied Sciences
- Australian Bureau of Meteorology [Melbourne]
- Australian Government
- Australian Maritime College
- Australian National University
- Austrian Academy of Sciences
- Austrian Institute of Technology [Vienna]
- Austrian Red Cross
- Auteur indépendant
- Automation Department [Boumerdes]
- Avans University of Applied Sciences
- Avic Chengdu Civil Aircraft Co. Ltd
- Axia Value Chain [São Paulo]
- Azad University, Science and Research Branch
- Azienda Sanitaria Locale [ROMA]
- Åbo Akademi University [Turku]