• C-I / Additive Manufacturing, Surfacing, and Thermal Cutting
• C-II / Arc welding and Filler Metals
• C-II-A Metallurgy of weld metal
• C-II-C Testing and measurement of welds
• C-II-E Standardization and classification of weld filler metals
• C-III / Resistance Welding, Solid State Welding and Allied Joining Process
• C-III-B-WGB1 Friction stir welding standardization
• C-III-B-WGB4 Friction stir spot welding standardization
• C-IV / Power Beam Processes
• C-V / NDT and Quality Assurance of Welded Products
• C-VI / Terminology
• C-VI-A IIW-Thesaurus
• C-VII / Microjoining and Nanojoining
• C-VII-A  Joining with nanomaterials
• C-VII-B Laser micro-/nano-joining
• C-VII-C Emerging micro-/nano-processing technologies
• C-VIII / Health, Safety and Environment
• C-IX / Behaviour of Metals Subjected to Welding
• C-IX-A Mathematical Modelling of Weld Phenomena
• C-IX-C Creep and heat resistant welds
• C-IX-H Weldability of stainless steels and nickel-base alloy
• C-IX-L Low alloy steels welds
• C-IX-NF Non ferrous materials
• C-X / Structural Performances of Welded Joints - Fracture Avoidance
• C-X-A Welding residual stresses in thick steel structures
• C-XI / Pressure Vessels, Boilers and Pipelines
• C-XI-A Correlation of Toughness data
• C-XI-E Transmission pipelines
• C-XI-H Performance of welds for hydrogen
• C-XII / Arc Welding Processes and Production Systems
• C-XIII / Fatigue of Welded Components and Structures
• C-XIX / Education and Training
• C-XV / Design, Analysis, and Fabrication of Welded Structures
• C-XVI / Polymer Joining and Adhesive Technology
• C-XVII / Brazing, Soldering and Diffusion Bonding
• C-XVIII / Quality Management in Welding and Allied Processes
• SG 212 / The Physics of Welding
• SG-RES / Welding Research Strategy and Collaboration
• WG-RA / Working Group Regional Activities
• WG-STAND / Working Group Standardization
• TG-YL / Task Group Young Leader

Nepřekládáme. Jednací jazyk IIW je angličtina. Pokud budete mít zájem o práci v některé komisi s předními světovými odborníky, kontaktujte CWS ANB.