- ACIL
- National trade association representing independent, commercial engineering and scientific laboratory, testing, consulting and research and design firms. - American Consulting Engineers Council
- ACEC is an organisation of engineering firms in private practice. - American Institute of Engineers
- Describes AIE, the importance of joining and participation opportunities. - American Society for Nondestructive Testing, Inc
- NDT Link - Association of Consulting Engineers (4)
- Association of Energy Engineers (AEE) (3)
- Association of Professional Engineers (1)
- Association of Professional Engineers Scientists and Managers Australia
- Nonprofit organisation representing professionals. - Associations for Facilities Engineering (AFE) (2)
- Canadian Geotechnical Society (CGS)@
- Cleveland Engineering Society
- Bringing engineers and technology professionals of many disciplines together for educational programmes, networking and exchange of information. - Consulting Engineers Council of Pennsylvania
- Promotes and protects the business interests and profitability of member firms. - Engineers' Club of Philadelphia
- Offers continuing education courses, trips, and meetings to promote professional development. - Engineers' Council, Inc
 - ESD, The Engineering Society
- Support the professional growth of its individual and corporate members. - Fédération Internationale des Ingénieurs-Conseils (FIDIC)
- An international federation of national associations of consulting engineers. Includes a worldwide directory. - Institute of Industrial Engineers@
- Institution of Engineers, Australia@
- Institution of Engineers, Indonesia
 - Instrumentation Testing Association (ITA)
- Promoting reliability and performance of instrumentation and automation technologies for water and wastewater treatment. - International Association of Lighting Designers (IALD)
- Professional body of lighting designers. Site features news, events, resources and the newsletter e-reflections. - International Society for Structural and Multidisciplinary Optimization(ISSMO)
- A professional engineering society founded in 1991. - International Test and Evaluation Association (ITEA)@
- Jordan Engineers Association
- Stives to enhance the quality and ethical commitment of its members. - MAES - Society of Mexican American Engineers and Scientists@
- National Society of Black Engineers (NSBE) (15)
- National Society of Professional Engineers (20)
- North Carolina State Board of Registration for Professional Engineers and Land Surveyors
- Provides regulations and information on licensing, examinations, public meetings, and more. - Ontario Association of Certified Engineering Technicians and Technologists (OACETT)
- Main objective is to establish and maintain high standards for the profession of Engineering/Applied Science Technology. Includes information on membership, employment, and other services. - Orange County Engineering Council
 Professional Engineers Board
- Maintains a register of professional engineers, practitioners, licensed corporations, and more.- Professional Engineers Ontario@
- SAFE Association
 - Society for Experimental Mechanics, Inc. (SEM)
- International society for test, measurement, and analysis in modal analysis, vibration, acoustics, stress, strain, and others. - Society of Hispanic Professional Engineers@
- Society of Women Engineers@
- Verkfræðingafélag Íslands
- Association of chartered engineers in Iceland. - Vibration Institute
- Dedicated to the exchange of practical information about vibration and condition monitoring. - Vietnamese Association for Computing, Engineering Technology and Science (VACETS)
 - Western Canada Group of Chartered Engineers, The
- Serves members of the U.K. Institutions of Civil, Mechanical, Electrical, Structural, Chemical and Building Services Engineers resident in BC, Yukon, Washington, and Alaska. - Western Society of Engineers
- The Chicago area's oldest and most broadly based engineering society, encompassing all engineering and related technical management fields.
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