In the context of the aviation industry, A&E (Architecture and Engineering) refers to the design, development, and implementation of aviation-related infrastructure, systems, and facilities. This includes:

1. Airport design and planning: A&E firms work on the design and planning of airport terminals, runways, taxiways, and other infrastructure to ensure efficient and safe operations.
2. Aviation facility design: This includes the design of hangars, maintenance facilities, flight simulators, and other buildings that support aviation operations.
3. Airfield engineering: A&E firms design and develop airfield infrastructure, such as runways, taxiways, and aprons, to ensure safe and efficient aircraft operations.
4. Aviation system integration: A&E companies integrate various systems, including air traffic control, baggage handling, and security systems, to create a seamless and efficient aviation experience.
5. Sustainability and environmental planning: A&E firms consider environmental factors, such as noise pollution, air quality, and energy efficiency, when designing and developing aviation infrastructure.

A&E services may involve:

1. Feasibility studies: Conducting studies to determine the viability of proposed aviation projects.
2. Design and planning: Creating detailed designs and plans for aviation infrastructure and facilities.
3. Engineering and construction management: Overseeing the construction process to ensure that projects are completed on time, within budget, and to the required quality standards.
4. Commissioning and testing: Ensuring that aviation systems and facilities are properly commissioned and tested to meet safety and performance requirements.
5. Operations and maintenance: Providing support for the ongoing operation and maintenance of aviation infrastructure and facilities.

Some of the key players in the A&E sector of the aviation industry include:

1. Consulting engineering firms: Companies like Arup, Jacobs, and WSP provide A&E services to the aviation industry.
2. Architecture firms: Firms like HOK, Skidmore, Owings & Merrill, and Gensler design and plan airport terminals and other aviation facilities.
3. Specialized aviation companies: Companies like Bechtel, Parsons, and Burns & McDonnell provide A&E services specifically to the aviation industry.