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Frequentis AG, headquartered in Vienna, Austria, develops and markets communication and information systems for safety-critical control centers. Its core business spans two segments: Air Traffic Management (ATM), encompassing civil and military air traffic control and air defense, and Public Safety & Transport, serving police, fire brigades, emergency rescue services, railways, coastguards, and port authorities. Founded in 1947, the company has expanded its global presence, operating in over 50 countries with products and solutions deployed in approximately 150 countries. Frequentis holds a significant market position in voice communication systems for air traffic control, with a market share of around 30%.

GE Aerospace is the global leader in designing, manufacturing, and servicing commercial aircraft turbine engines, along with partner Safran in their CFM joint venture. With its massive global installed base of nearly 80,000 commercial and military engines, GE Aerospace earns most of its profits on recurring service revenue of that equipment, which operates for decades. GE Aerospace is the remaining core business of the company formed in 1892 with historical ties to American inventor Thomas Edison; General Electric became a storied conglomerate, with peak revenue of $130 billion in 2000, until it spun off its appliance, finance, healthcare, and wind and power businesses between 2016 and 2024.