Utilize the input text as a context reference, choose the right relationship between Boeing and McDonnell Douglas from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

For many years, we’ve had companies the likes of Boeing and McDonnell Douglas and come here and ask us to do things for their industry.

Answer: subsidiary