1. National Scientific -Technical Societies:
• Society of Foundry
• Metal Science and Heat Treatment Society
• Automation of Discrete Production Society
• Bulgarian Society of Non-Destructive Testing
• Gear Transmissions and Driving Society
• Plastic Deformation Society
• Plastics in Mechanical Engineering Society
• Society of Powder Metallurgy and Composite Materials
• Management and Engineering Society
• Ergonomics and Industrial Design 2. Bulgarian Welding Society
3. Bulgarian Society of Robotics and Mechatronics
4. Bulgarian Society of Tribology