Husch Blackwell LLP is a US law firm providing legal and regulatory advisory services to aviation and aerospace clients, including airlines, airports, manufacturers, and aviation businesses. The firm supports the aviation sector in areas such as finance, transactions, compliance, litigation, and infrastructure projects.

The International Air Transport Association (IATA) is the global trade association representing airlines and supporting the commercial aviation industry through standards, safety programmes, training, and regulatory coordination. It serves airlines, airports, governments, and aviation stakeholders worldwide by helping improve efficiency, safety, and operational consistency across global air transport.
Icelandair Group hf. is an Icelandic aviation holding company whose principal airline subsidiary, Icelandair, operates international passenger and cargo services across Europe and North America. The group also provides aviation support and related travel services, serving both leisure and business travellers through its airline operations.
Isavia ohf. is the national airport and air navigation service provider of Iceland, responsible for operating Iceland’s major airports and managing air traffic control services. The organisation supports international and domestic aviation through airport infrastructure, flight navigation, and aviation safety services.
ICF International, Inc. is a global aviation consultancy providing strategic, commercial, financial, operational, technical, and regulatory advisory services to airlines, airports, lessors, investors, and government aviation agencies. The firm supports aviation clients with network planning, airport transactions, aviation finance, sustainability, and industry transformation projects.
IDMR Solutions Inc. develops aviation document management and maintenance workflow software for airlines, MROs, OEMs, and aviation operators. Its platform helps aviation organisations digitise technical records, task cards, engineering documents, and compliance processes to improve efficiency and regulatory compliance.
IMAP is a global corporate finance and M&A advisory partnership providing transaction, investment, and strategic advisory services across multiple sectors, including transport and aviation. The firm supports mid-market businesses, investors, and aviation-related companies with mergers, acquisitions, financing, and growth advisory services.
Industrial and Commercial Bank of China Limited (ICBC) is one of the world's largest banking groups, providing corporate banking, leasing, and asset finance services globally. Through its aviation finance and aircraft leasing activities, it supports airlines, lessors, and aviation investors with aircraft acquisition and funding solutions.
Inter-Informatics provides aerospace engineering and certification services including aircraft cabin design, retrofit/STC modifications, stress analysis and technical documentation for airlines, MROs and lessors.
InterFlight Global Corporation is an aviation and aerospace advisory firm providing strategic consulting, business planning, financial structuring, and transaction support services. The company serves airlines, airports, investors, aerospace businesses, and government organisations on aviation, aerospace, and transportation projects worldwide.
InterGlobe Enterprises is an Indian travel conglomerate involved in aviation, hospitality and travel services, best known as the parent and strategic investor behind the airline IndiGo, alongside airline management and aviation support businesses.
International Aero Services, Inc. provides aviation consulting, technical support, aircraft records management, and maintenance programme services to airlines, lessors, and aviation operators. The company supports commercial aviation clients with regulatory compliance, engineering support, and operational aviation services.