In the context of the input sentence, determine the relationship between 'Balfour Beatty' and 'Construction'.
Options: headquarters location, owner of, industry, legal form

Tue, Sep 1, 2015, 22:58 BST - UK Markets closed Balfour Beatty Construction Promotes Leaders in California Press Release : Balfour Beatty Construction US – 6 hours ago -5.20
industry