They contended the arrangement led to Oldcastle Precast capturing northern California sales of precast electrical vaults , which were often placed concurrently with telephone structures .
Plaintiffs challenged a contract requiring developers to purchase Oldcastle Precast product for properties served by AT&T infrastructure .
Plaintiffs contended the arrangement led to Oldcastle Precast capturing northern California sales of precast electrical vaults , which were often placed concurrently with telephone structures .
Plaintiffs challenged a contract requiring developers to purchase Oldcastle Precast product for properties served by AT&T infrastructure .