TransDigm & Boeing
TransDigm Group manufactures thousands of highly engineered, sole-source aerospace components installed across Boeing's commercial and military aircraft, including electronic systems, fluid handling, actuators, and cabin interior components. TransDigm's sole-source position on many parts means Boeing has no alternative supplier for specific components, giving TransDigm significant pricing power.
Why it matters: TransDigm's business model is built on acquiring proprietary aerospace parts businesses and maintaining sole-source status. Switching any sole-source TransDigm component requires FAA certification of an alternative, typically a 3-5 year process, generating EBITDA margins of 50%+ through pricing power.