| Conference | Deadline | Date | Country |
| 1.55th ATHENS Global Congress on Advances in Engineering, Science & Technology (GCAEST-26) scheduled on June 3-5, 2026 Athens (Greece) | 2026-05-15 | 2026-06-03 | Greece |
| 2.27th ATHENS World Congress on Computational Intelligence, Energy & Industrial Engineering (CIEIE-26) June 3-5, 2026 Athens (Greece) | 2026-05-15 | 2026-06-03 | Greece |
| 3.22nd ATHENS International Conference on Materials Science & Engineering (ICMSE-26) | 2026-05-15 | 2026-06-03 | Greece |
| 4.37th ATHENS International Conference on Chemical, Biological & Environmental Engineering (ICCBEE-26) June 3-5, 2026 Athens (Greece) | 2026-05-15 | 2026-06-03 | Greece |
| 5.37th ATHENS International Congress on Transportation & Architectural Engineering (ICTAE-26) June 3-5, 2026 Athens (Greece) | 2026-05-15 | 2026-06-03 | Greece |
| 6.52nd ATHENS International Conference on Electrical & Electronics Engineering (AICE3-26) June 3-5, 2026 Athens (Greece) | 2026-05-15 | 2026-06-03 | Greece |
| 7.2026 International Conference on Electromagnetic Engineering & Microwave Systems (EEMS 2026) | 2026-05-10 | 2026-06-19 | China |
| 8.2026 5th International Symposium on New Energy Technology Innovation and Low Carbon Development (NET-LC 2026) | 2026-05-08 | 2026-05-15 | Japan |
| 9.16th International Conference on Biomedical Engineering and Technology (ICBET 2026) | 2026-05-05 | 2026-06-12 | Indonesia |
| 10.16th International Workshop on Computer Science and Engineering (WCSE 2026) | 2026-05-05 | 2026-06-11 | Japan |
| 11.9th International Conference on Renewable Energy and Environment Engineering (REEE 2026) | 2026-05-05 | 2026-06-12 | Kazakhstan |
| 12.International Conference on Interdisciplinary Research in Engineering, Technology, and Applied Sciences | 2026-05-05 | 2026-05-16 | Japan |
| 13.4th International Conference on Power and Automation Engineering(PEAE 2026) | 2026-05-01 | 2026-06-07 | Australia |
| 14.16th International Conference on Environmental and Agricultural Engineering(ICEAE 2026) | 2026-05-01 | 2026-06-05 | Thailand |
| 15.16th International Conference on Environmental and Agricultural Engineering (ICEAE 2026) | 2026-05-01 | 2026-06-05 | Thailand |
| 16.2026 3rd International Conference on Environment Engineering, Urban Planning and Design (EEUPD 2026) | 2026-05-01 | 2026-05-08 | Malaysia |
| 17.4th International Conference on Precision Engineering and Mechanical Manufacturing (PEMM 2026) | 2026-04-30 | 2026-06-05 | South Korea |
| 18.2026 10th International Conference on Environmental Engineering and Sustainable Development (CEESD 2026) | 2026-04-25 | 2026-10-30 | Japan |
| 19.2026 3rd International Conference on Clean Energy and Low Carbon Technologies (CELCT 2026) | 2026-04-24 | 2026-05-01 | Japan |
| 20.2026 5th International Conference on Energy, Power and Electrical Technology (ICEPET 2026) | 2026-04-24 | 2026-04-26 | China |
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