Some engineers may be represented by the International Federation of Professional and Technical Engineers and other unions.
ABET, a non-governmental organization, accredits postsecondary programs in engineering, engineering technology, and related fields. Most employers seek civil engineering graduates who have obtained a degree from a program approved by ABET. The American Society of Civil Engineers represents more than 160,000 members of the civil engineering profession in 177 countries. The organization has groups for students and younger members (age 35 and younger) and nine specialty institutes (e.g., Transportation & Development Institute, Coasts, Oceans, Ports & Rivers Institute). The Institute of Transportation Engineers is an international educational and scientific association of more than 18,000 members working in over 78 countries. The National Council of Examiners for Engineering and Surveying (NCEES) is a national nonprofit organization dedicated to enhancing professional licensure in these professions. NCEES develops, administers, and scores the examinations used for engineering and surveying licensure in the United States. The National Society of Professional Engineers assists with the licensure process, and provides networking opportunities and information about career advancement. The Society of Women Engineers provides support to women engineers and offers scholarships and continuing education opportunities. It also hosts an annual conference, which it describes as the the "world’s largest conference for women in engineering and technology."
- 3-D Printing Specialists
- Advanced Manufacturing Engineers
- Advanced Manufacturing Technicians
- Aeronautical and Aerospace Technicians
- Aerospace Engineers
- Air Quality Engineers
- Ambassadors
- Arborists
- Archaeologists
- Architects
- Archivists
- Asbestos Abatement Technicians
- Assessors and Appraisers
- Audio Recording Engineers
- Automation Engineers
- Automotive Engineering Technicians
- Automotive Engineers
- Aviation Safety Inspectors
- Avionics Engineers
- Avionics Technicians
- Baggage Porters and Bellhops
- Bailiffs
- Bank Examiners
- Biochemical Engineers
- Biomedical Engineers
- Boilermakers and Mechanics
- Border Patrol Agents
- Botanists
- Bricklayers and Stonemasons
- Broadcast Engineers
- Brownfield Redevelopment Specialists and Site Managers
- Building Automation Systems Engineers
- Building Automation Systems Technicians
- Building Performance Diagnosticians
- Business Managers
- Campaign Workers
- Carpenters
- Cement Masons
- Ceramics Engineers
- Chemical Engineers
- Chemists
- Chief Robotics Officer
- City Managers
- Civil Engineering Technicians
- Computer-Aided Design Drafters and Technicians
- Congressional Aides
- Construction Inspectors
- Construction Laborers
- Construction Managers
- Cost Estimators
- Cryptographic Technicians
- Customs Officials
- Demographers
- Deputy U.S. Marshals
- Diesel Mechanics
- Digital Workplace Experience Engineers
- Drafters
- Driverless Car Engineers
- Drone Engineers
- Drywall Installers and Finishers
- Ecologists
- Economists
- Electrical Engineering Technologists
- Electrical Engineers
- Electricians
- Electromechanical Engineering Technologists
- Electronics Engineering Technicians
- Electronics Engineers
- Elevator Installers and Repairers
- Embedded Systems Engineers
- Emergency Management Directors
- Energy Conservation Technicians
- Energy Consultants
- Energy Efficiency Engineers
- Energy Transmission and Distribution Workers
- Engineering Technicians
- Engineers
- Environmental Consultants
- Environmental Education Program Directors
- Environmental Engineers
- Environmental Lawyers
- Environmental Planners
- Environmental Restoration Planners
- Environmental Scientists
- Environmental Technicians
- EPA Special Agents
- Ergonomists
- FBI Agents
- Federal and State Officials
- Fish and Game Wardens
- Floor Covering Installers
- Foreign Service Officers
- Forensic Engineers
- Foresters
- Forestry Technicians
- Fraud Examiners, Investigators, and Analysts
- Fuel Cell Engineers
- Furniture Designers
- Futurists
- General Maintenance Mechanics
- Genetic Engineers
- Geodetic Surveyors
- Geological Technicians
- Geologists
- Geophysicists
- Geotechnical Engineers
- Geothermal Energy Industry Workers
- Geothermal Production Managers
- Geothermal Technicians
- Glaziers
- Green Builders
- Grounds Managers
- Groundwater Professionals
- Hardware Engineers
- Hazardous Waste Management Specialists
- Hazardous Waste Management Technicians
- Health and Regulatory Inspectors
- Heating and Cooling Technicians
- Historians
- Hydroelectric Plant Technicians
- Hydroelectric Production Managers
- Hydropower and Marine Energy Industry Workers
- Hypersonics Engineers
- Hypersonics Technicians
- Indoor Environmental Health Specialists
- Industrial Designers
- Industrial Engineering Technicians
- Industrial Engineers
- Information Technology Infrastructure Engineers
- Insulators/Insulation Workers
- Intelligence Officers
- Interior Designers and Decorators
- Interpreters
- Land Acquisition Professionals
- Land Trust or Preserve Managers
- Landscape Architects
- Landscapers
- Lathers
- Line Installers and Cable Splicers
- Lobbyists
- Locomotive Engineers
- Manufacturing Engineering Technologists
- Manufacturing Engineers
- Marble Setters, Tile Setters, and Terrazzo Workers
- Marine Biologists
- Marine Engineers
- Materials Engineers
- Mechanical Engineering Technicians
- Mechanical Engineers
- Mechatronics Engineers
- Metallurgical Engineers
- Metallurgical Technicians
- Meter Readers, Utilities
- Methane/Landfill Gas Collection System Operators
- Methane/Landfill Gas Generation System Technicians
- Microbiologists
- Military Recruiters
- Military Workers, Enlisted
- Millwrights
- Mining Engineers
- Museum Directors and Curators
- Nanosystems Engineers
- National Park Service Employees
- Naturalists
- Non-Destructive Testing Specialists
- Nuclear Engineers
- Occupational Safety and Health Workers
- Operating Engineers
- Optical Engineers
- Packaging Engineers
- Painters and Paperhangers
- Park Rangers
- Petroleum Engineers
- Petroleum Technicians
- Plasterers
- Plastics Engineers
- Plastics Technicians
- Plumbers and Pipefitters
- Policy Analysts
- Political Consultants
- Political Scientists
- Power Plant Workers
- Press Secretaries
- Public Transportation Operators
- Quality Control Engineers
- Quality Control Technicians
- Radio Frequency Engineers
- Radio Frequency Identification Device Specialists
- Railroad Conductors
- Range Managers
- Real Estate Developers
- Recreation Workers
- Recycling and Reclamation Workers
- Recycling Coordinators
- Refuse Collectors
- Regional and Local Officials
- Remote Health Care Engineers
- Renewable Energy Careers
- Renewable Energy Engineers
- Renewable Energy Site Assessors
- Reservation and Ticket Agents
- Rewilders
- Robotics Engineers
- Robotics Integrators
- Robotics Technicians
- Roofers
- Secret Service Special Agents
- Sheet Metal Workers
- Signal Mechanics
- Smart Building Systems Designers
- Software Engineers
- Soil Conservationists and Technicians
- Soil Scientists
- Solar Engineers
- Spacecraft Test Technicians
- Stationary Engineers
- Stevedores
- Surveying and Mapping Technicians
- Surveyors
- Swimming Pool Designers
- Telephone and PBX Installers and Repairers
- Traffic Engineers
- Translators
- Transportation Engineers
- Transportation Planners
- Urban and Regional Planners
- Wastewater Treatment Plant Operators and Technicians
- Water/Wastewater Engineers
- Welders and Welding Technicians
- Wildland Firefighters
- Wind Energy Engineers
- Wind Energy Operations Managers
- Wind Energy Project Managers