New Construction Contractor Businesses in Ontario, CA

This page lists new construction contractor businesses registered in Ontario, California. We currently track 3, sourced directly from the California Division of Corporations and refreshed daily as new construction contractor companies file.

Recent additions include J3C Group, Perez Builders, and JC Flores Construction and Demolition. The most recent construction contractor business filing was on Apr 2, 2026.

Each entry shows the filing date and, where we can verify it, the owner name and contact details. If you sell to construction contractor businesses in Ontario, this is one of the freshest prospect lists in the market.