HEI vs EBAY Comparison

Heico is an aerospace and defense supplier that focuses on creating niche replacement parts for commercial aircraft and components for defense products. In commercial aerospace, Heico is the largest independent producer of replacement aircraft parts, primarily for engines. In the defense market, the company produces niche subcomponents used in targeting technology as well as simulation equipment, among other things. It operates as two segments: the flight support group,or FSG, and the electronic technologies group, or ETG, both of which supply the aerospace and defense sectors to different degrees. The company is highly acquisitive, focusing on companies in similar or adjacent markets that are generating strong cash flow with the potential for growth.

EBay operates one of the largest e-commerce marketplaces in the world, with $75 billion in 2024 gross merchandise volume rendering the firm a top 10 global e-commerce company. It generates revenue from listing fees, advertising, revenue-sharing arrangements with service providers, and managed payments, with its platform connecting more than 130 million buyers and roughly 20 million sellers across almost 190 global markets at the end of 2024. EBay generates just north of 50% of its GMV in international markets, with a large presence in the UK, Germany, and Australia.