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.
What is the relationship between 'Balfour Beatty' and 'Construction' in the context of the input sentence.
Options: location of formation, brand, industry, parent organization