The case, filed on March 23, 2026, in the United States District Court for the Southern District of California, was brought by ZLM Mechanical, Inc., a Vista, California-based plumbing and HVAC subcontractor. The filing names Liberty Mutual alongside general contractor Shore Herman JV – a joint venture of Herman Construction Group, Inc. and Shore Solutions, Inc. – and Wisconsin-based product manufacturer Badger Meter, Inc.
