Some engineers may be represented by the International Federation of Professional and Technical Engineers and other unions. Major organizations for quality control engineers and technicians include the American Society for Quality and ASTM International.
- 3-D Printing Specialists
- Advanced Manufacturing Engineers
- Advanced Manufacturing Technicians
- Advertising Managers
- Aeronautical and Aerospace Technicians
- Aerospace Engineers
- Air Quality Engineers
- Apparel Industry Workers
- Appliance Service Technicians
- Architects
- Audio Recording Engineers
- Automation Engineers
- Automobile Collision Repairers
- Automobile Sales Workers
- Automobile Service Technicians
- Automotive Dealership Owners
- Automotive Dealership Sales Managers
- Automotive Designers
- Automotive Engineering Technicians
- Automotive Engineers
- Automotive Industry Workers
- Automotive Technology Teachers
- Autonomous Vehicle Safety and Test Drivers
- Avionics Engineers
- Avionics Technicians
- Barbers
- Beverage Industry Workers
- Bindery Workers
- Biochemical Engineers
- Bioenergy/Biofuels Workers
- Biofuels Processing Technicians
- Biofuels Production Managers
- Biofuels/Biodiesel Technology and Product Development Managers
- Biomass Plant Technicians
- Biomass Power Plant Managers
- Biomedical Engineers
- Biomedical Equipment Technicians
- Biosecurity Monitors
- Biotechnology Patent Lawyers
- Biotechnology Production Workers
- Biotechnology Research Assistants
- Boilermakers and Mechanics
- Bricklayers and Stonemasons
- Broadcast Engineers
- Building Automation Systems Engineers
- Building Performance Diagnosticians
- Business Managers
- Canning and Preserving Industry Workers
- Cement Masons
- Ceramics Engineers
- Chemical Engineers
- Chemical Technicians
- Chemists
- Chief Robotics Officer
- Civil Engineering Technicians
- Civil Engineers
- Clinical Applications Specialists
- Color Analysts
- Computer Network Administrators
- Computer Programmers
- Computer Systems Programmer/Analysts
- Computer-Aided Design Drafters and Technicians
- Conservators and Conservation Technicians
- Construction Laborers
- Construction Managers
- Continuous Improvement Managers
- Coremakers
- Corporate Climate Strategists
- Cosmeticians
- Cosmetics Sales Representatives
- Cosmetics Shop Owners and Managers
- Cosmetologists
- Cost Estimators
- Cryptographic Technicians
- Customer Service Representatives
- Dairy Products Manufacturing Workers
- Desktop Publishing Specialists
- Diesel Mechanics
- Digital Workplace Experience Engineers
- Drafters
- Driverless Car Engineers
- Drone Engineers
- Drone Manufacturing Workers
- Drug Developers
- Electrical Engineering Technologists
- Electrical Engineers
- Electrologists
- Electromechanical Engineering Technologists
- Electronics Engineering Technicians
- Electronics Engineers
- Electronics Service Technicians
- Electroplating Workers
- Embedded Systems Engineers
- Energy Efficiency Engineers
- Engineering Technicians
- Engineers
- Environmental Engineers
- Ethical Sourcing Officer
- Export-Import Specialists
- Fabric Designers
- Farmers
- Fashion Designers
- Fiber Optics Technicians
- Fleet Maintenance Technicians
- Fluid Power Technicians
- Forensic Engineers
- Foresters
- Forestry Technicians
- Forge Shop Workers
- Fuel Cell Engineers
- Furniture Designers
- Furniture Manufacturing Workers
- Futurists
- Genetic Engineers
- Geotechnical Engineers
- Glass Manufacturing Workers
- Glaziers
- Graphic Designers
- Green Marketers
- Green Products Manufacturers
- Greeting Card Designers and Writers
- Gunsmiths
- Hardware Engineers
- Hazardous Waste Management Specialists
- Hazardous Waste Management Technicians
- Heat Treaters
- Hypersonics Engineers
- Hypersonics Technicians
- Image Consultants
- Industrial Chemicals Workers
- Industrial Designers
- Industrial Ecologists
- Industrial Engineering Technicians
- Industrial Engineers
- Industrial Machinery Mechanics
- Industrial Radiographers
- Industrial Safety and Health Technicians
- Industrial Traffic Managers
- Information Technology Infrastructure Engineers
- Instrumentation Technicians
- Intelligence Officers
- Internet of Things Developers
- Internet Security Specialists
- Jewelers and Jewelry Repairers
- Job and Die Setters
- Laboratory Testing Technicians
- Laser Technicians
- Layout Workers
- Leather Tanning and Finishing Workers
- Logging Industry Workers
- Logistics Analysts
- Logistics Engineers
- Makeup Artists
- Manufacturing Engineering Technologists
- Manufacturing Engineers
- Manufacturing Production Technicians
- Manufacturing Supervisors
- Marine Engineers
- Market Research Analysts
- Marketing Managers
- Massage Therapists
- Materials Engineers
- Mechanical Engineering Technicians
- Mechanical Engineers
- Mechatronics Engineers
- Metallurgical Engineers
- Metallurgical Technicians
- Meteorologists
- Microelectronics Technicians
- Military Pilots
- Military Police
- Military Recruiters
- Military Workers, Enlisted
- Military Workers, Officers
- Millwrights
- Mining Engineers
- Molders
- Nail Technicians
- Nanosystems Engineers
- Non-Destructive Testing Specialists
- Nuclear Engineers
- Numerical Control Tool Programmers
- Occupational Safety and Health Workers
- Optical Engineers
- Optics Technicians
- Packaging Engineers
- Packaging Machinery Technicians
- Paper Processing Workers
- Petroleum Engineers
- Petroleum Technicians
- Pharmaceutical Industry Workers
- Photographic Equipment Technicians
- Photographic Laboratory Workers
- Physicists
- Pilots
- Plastics Engineers
- Plastics Products Manufacturing Workers
- Plastics Technicians
- Precision Machinists
- Precision Metalworkers
- Prepress Workers
- Printing Press Operators and Assistants
- Product Designers
- Product Development Directors
- Product Management Directors
- Product Managers
- Quality Control Technicians
- Radiation Protection Technicians
- Radio Frequency Engineers
- Radio Frequency Identification Device Specialists
- Remote Health Care Engineers
- Renewable Energy Engineers
- Robotics Engineers
- Robotics Integrators
- Robotics Technicians
- Rubber Goods Production Workers
- Sales Managers
- Sales Representatives
- Semiconductor Technicians
- Sheet Metal Workers
- Silverware Artisans and Workers
- Software Designers
- Software Engineers
- Solar Engineers
- Space Pilots
- Spacecraft Test Technicians
- Sporting Goods Production Workers
- Stationary Engineers
- Steel Industry Workers
- Supply Chain Managers
- Tailors and Dressmakers
- Test Drivers
- Textile Manufacturing Workers
- Tobacco Products Industry Workers
- Toxicologists
- Toy Industry Workers
- Traffic Engineers
- Traffic Managers
- Transportation Engineers
- Watch and Clock Repairers
- Welders and Welding Technicians
- Wind Energy Engineers
- Wood Science and Technology Workers