Every new California business filing, every day3 general contractor businesses recently registered in Ontario, California.
Updated August 19, 2026 · Most recent business filing Apr 2, 2026

Every new California filing, every day
See how it worksThis page lists new general contractor businesses registered in Ontario, California. We currently track 3, sourced directly from the California Division of Corporations and refreshed daily as new general contractor companies file.
Recent additions include Alpha Construction, HHS Construction, and HR Construction. The most recent general 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 general contractor businesses in Ontario, this is one of the freshest prospect lists in the market.
Alpha Construction, founded in 1965, is a full-service general contractor based in Van Nuys, CA, with over 50 years of experience.
HHS Construction, LLC is a general engineering contractor based in Ontario, California, licensed since 2003 (Contractor License #818906). The business operates from 2042 South Grove Avenue, as confirmed by both the LLC filing and contractor license records. The company likely provides construction services, given its 'General Engineering Contractor' classification.
HR Construction Inc. appears to be a construction company in California offering demolition and general contracting services, with contact info and service pages on their website.
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