This is a list of current and former companies operating in, or based in, Hayward, California. Significant local divisions of national and international companies are included, as are local businesses.

U.S. Trading Company is the premier distributor of authentic Asian grocery and food service products across the United States. We bridge the gap between global producers and local markets with …

Ultra Clean Holdings, Inc. is a leading developer and supplier of critical subsystems, components, parts, and ultra-high purity cleaning and analytical services, primarily for the semiconductor industry.

R.F. MacDonald Co. services and sells boilers, pumps, composites and accessories for commercial and industrial applications in California and Nevada.

Anning‑Johnson is a premier specialty contractor in Northern California, trusted for structural metal framing, exterior envelope systems, and highly coordinated scopes on large‑scale residential, civic, …

Apr 30, 2026 · We design and manufacture NEO’s critical components in-house — including motors, batteries, structures, transmission systems, soft goods, sensors and more. From cutting metal parts …

We are manufacture & distributer for wide range of gaskets & sealing products like spliced O-rings, kalrez O-rings, Spring Energized PTFE Seals in Hayward, CA

Industry leader in fire pump sales, support, and troubleshooting. We are a manufacturers’ representative for fire pumps and related products proudly serving throughout California, Nevada, Montana, …

May 1, 2026 · We're tracking Eikon Therapeutics, Blue Current and more companies in Hayward from the F6S community. Hayward is the 693rd most popular location globally to start a company or …

Jul 31, 2024 · Despite the closure, Annabelle said its iconic candy bar brands will continue to be produced by its parent company, Promise Confections, which is headquartered in Pittsburg, …