Organizations that have worked with DEISO
We've supported enterprises, suppliers, universities, research institutions, and environmental organizations on sustainability work. This section is here so you can see who has trusted DEISO and the kind of work environment we operate in.
Recognized organizations
We've delivered work for known organizations in energy, manufacturing, advanced materials, construction, environmental, and research sectors.
International client experience
Engagements span Japan, East Asia, Southeast Asia, the Gulf, Europe, and other markets — across very different data and reporting conditions.
Business and research trust
We support both practical business needs and research-grade sustainability work — settings where accuracy and clean delivery matter.
Selected client experience
DEISO's client experience spans the energy, oil and gas, advanced materials, manufacturing, packaging, construction, environmental, university, and research sectors.
Selected organizations that have engaged DEISO include Saudi Arabian Oil Company (Aramco), Petroliam Nasional Berhad (PETRONAS), Saudi Energy / Saudi Electricity Company, DuPont de Nemours, Inc., Teijin Limited, Yazaki Corporation, GS Caltex Corporation, Taghleef Industries, Swegon Group AB, and Alliance Construction Materials Limited.
These references are shown for a single reason: so you can see DEISO has been trusted by serious organizations and is familiar with technical sustainability work in real business and institutional settings.
Universities and research institutions
DEISO has also supported universities and research institutions, including The University of Tokyo, Seoul National University, Indian Institute of Technology Delhi, Nanyang Technological University Singapore, Technische Universität Dresden, and other institutions across Europe, the Gulf, and East Asia.
This matters because many sustainability projects need both practical execution and careful technical judgment. Our client history reflects experience with both.
Companies and industrial organizations
Selected companies and industrial organizations that have worked with DEISO.
- Saudi Arabian Oil Company (Aramco)
- Petroliam Nasional Berhad (PETRONAS)
- Saudi Energy / Saudi Electricity Company
- DuPont de Nemours, Inc. (DuPont)
- Teijin Limited
- Yazaki Corporation
- GS Caltex Corporation
- Taghleef Industries
- Swegon Group AB
- Alliance Construction Materials Limited
- Encory GmbH
- Fixing Solutions GmbH
- Inter Construction
- CIFE Water & Energy, Tunisia
Universities and research institutions
Selected academic and applied research institutions served by DEISO.
- The University of Tokyo (UTokyo)
- Seoul National University (SNU)
- Indian Institute of Technology Delhi (IIT Delhi)
- Nanyang Technological University, Singapore (NTU Singapore)
- Technische Universität Dresden (TU Dresden)
- Gdańsk University of Technology
- University of Doha for Science and Technology (UDST)
- Özyeğin University
- Sookmyung Women's University
- Kwangwoon University
- Republic Polytechnic, Singapore
- Technological University of the Shannon: Midlands Midwest (TUS)
Environmental and advisory organizations
Selected environmental, technical, innovation, and advisory organizations.
- World Wide Fund for Nature (WWF)
- Centre Technique des Industries Mécaniques (CETIM)
- SLR Consulting
- Seedstars
- One Point Five
- E-Cube Consulting
- Inspekta
The purpose of this section is simple: to give you confidence that DEISO has already been trusted by enterprises, suppliers, universities, research institutions, and public sustainability organizations that take this work seriously.
Trusted by Global Organizations
Supporting sustainability execution, technical review, and enterprise sustainability initiatives across 35+ countries.
Technical Authority
Technical direction behind DEISO work
Every DEISO engagement carries senior technical direction across sustainability operating systems, sustainability execution, independent technical review, LCA, GHG accounting, PCF, EPD, ESG, and verification-ready delivery.
Technical direction is led by Dr. Mahdi Ikhlayel, PhD — Sustainability Director, Sustainability OS Architect & Technical Execution.