He played a key role in coordinating the effort for Balfour Beatty Construction and its mission-aligned trade contractors to construct the 65,000-square-foot Ronald McDonald House of San Diego for the Ronald McDonald House Charities of San Diego at-cost – saving the charity millions of dollars.
In the context of the input sentence, determine the relationship between 'Balfour Beatty' and 'Construction'.
Options: industry, location of formation, parent organization, brand