| NANOCON Conference Proceedings - International Conference on Nanomaterials Czechia · ISSN 2694-930X | — | — | — | — |
| National Radio Science Conference, NRSC, Proceedings United States · ISSN 1110-6972 | — | — | — | — |
| Optical and Quantum Electronics (discontinued) United States · SPRINGER · ISSN 0306-8919, 1572-817X | SCI-E | — | — | — |
| Photonics North, PN United States · Institute of Electrical and Electronics Engineers Inc. · ISSN 2693-8316, 2693-8324 | — | — | — | — |
| Proceedings - Electronic Components and Technology Conference United States · ISSN 0569-5503 | — | — | — | — |
| Proceedings - IEEE International Conference on Dielectric Liquids United States · ISSN 2153-3725, 2153-3733 | — | — | — | — |
| Proceedings - IEEE International Conference on Electronics and Nanotechnology, ELNANO United States · ISSN 2377-6935, 2693-3535 | — | — | — | — |
| Proceedings of International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory, DIPED United States · ISSN 2165-3585, 2165-3593 | — | — | — | — |
| Proceedings of SPIE - The International Society for Optical Engineering United States · ISSN 0277-786X, 1996-756X | — | — | — | — |
| Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS) United States · ISSN 1084-6999 | — | — | — | — |
| Proceedings of the IEEE International Workshop on Integrated Power Packaging, IWIPP United States · Institute of Electrical and Electronics Engineers Inc. · ISSN 2834-8362, 2834-8370 | — | — | — | — |
| Proceedings of the IEEE Workshop on Computers in Power Electronics, COMPEL United States · ISSN 1093-5142 | — | — | — | — |
| Proceedings of the International Display Workshops Japan · ISSN 1883-2490 | — | — | — | — |
| Proceedings of the Symposium on Design, Test, Integration, and Packaging of MEMS/MOEMS, DTIP United States · Institute of Electrical and Electronics Engineers Inc. · ISSN 2768-1874, 2836-8487 | — | — | — | — |
| Proceedings of the World Congress on New Technologies Canada · ISSN 2369-8128 | — | — | — | — |
| Progress in Biomedical Optics and Imaging - Proceedings of SPIE United States · ISSN 1605-7422 | — | — | — | — |
| Progress in Electromagnetics Research Symposium United States · ISSN 1559-9450, 1931-7360 | — | — | — | — |
| Progress in Optics Netherlands · Elsevier B.V. · ISSN 0079-6638 | — | — | — | — |
| Springer Proceedings in Materials Singapore · Springer · ISSN 2662-3161, 2662-317X | — | — | — | — |
| Technical Digest - International Electron Devices Meeting United States · ISSN 0163-1918 | — | — | — | — |