An electrical contractor has filed an antitrust lawsuit in U.S. court accusing Westlake, Atkore and other major PVC pipe manufacturers of conspiring to overcharge municipal and commercial buyers.

On Aug. 23, a class action lawsuit was filed alleging that some leading PVC pipe manufacturers exploited supply chain disruptions to fix prices and overcharge their customers for PVC municipal water ...

The Department of Justice is investigating potential price-fixing in the market for PVC pipes, which follows allegations of a conspiracy in the $4bn market for municipal water pipes and so-called ...