Utilize the input text as a context reference, choose the right relationship between Aimia and management 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.

Aimia now owns a large stake in the leader in the outdoor advertising market in China with a high growth, high ROI and a scalable business, but debt free with a proven track record of free cash flow generation backed by blue chip consortium of investors and a highly skilled management team.

Answer: industry