ACSG, Inc. A business site serving airports and airport clients throughout the United States. Services include airport planning, environmental, management and financial consulting, and real estate services.

Advanced Aviation Technology Ltd. Aviation consultancy, based in the UK.

Aerodinamica Consultoria e Servicos S/C Ltda. Consulting and advisory services on civil aviation subjects.

Aeroex Provides professional expert witnesses to the airline, defense, corporate, and private sectors of the aviation industry.

Aerosafe Risk Management Offers aviation safety management and risk assessment. About organization, mail list, services offered, partners and links.

Air Cargo Management Group Aviation consulting related to freighter aircraft and air freight and express markets around the world.

Air Consult Providing airline management consultancy services, including staff recruitment and training and flight manager services. Details on the services offered, job openings and contacts.

Air Navigation Data Provide airspace development software and consulting services for private and government agencies.

Air Security International Provides international risk assessments and security services.

Airline Investigation Unit Investigates aviation related accidents with emphasis on required documentation to help determine responsibility and liability. Government and media links, investigations, disclaimer, company profile and mission statement.

Airline Planning Group, LLC APG is a management consulting firm focusing exclusively on aviation planning and management. The firm specializes in network planning and fleet planning.

Airstaff Associates Quality systems, consultancy, training and support to airline operators.

AIRXL Aviation Provides advanced pilot training, aviation consulting, and aviation related merger and acquistion services.

Arup Airports Consultancy Services Integrated planning, engineering, design and project management services for the aviation sector.

Avex Aviation Experts AG Introducing and maintaining quality management systems based on JAR-OPS, JAR-FCL, JAR-145 and ISO9001:2000 standards. Also providing operational assistance in the aviation field, particularly for updating and managing all JAR-related manuals.

AviaQ Airline quality auditing.

AviaSolutions Independent management consultancy focused on serving the international aviation industry. Specialises in aviation policy, capital development and airline and Airport commercial performance.

Aviation Management Systems, Inc. Aviation management, technical, operations, litigation and marketing and sales consulting services.

Aviation Place Web design and hosting firm service small and medium aviation businesses.

Aviation Solutions Commercial aviation consulting for small to mid-size commercial operators. FAR 121/125/135 start up or add on certification. Additional specialties include, operations, training,planning, marketing, staffing.