Steel Manufacturers locations near Castro Valley, CA

Showing 1–10 of 10 results

We track 10 steel manufacturers listings in and around Castro Valley, CA, spread over 3 ZIP codes. Listings here were last checked in Sep 2026.

Taitague Reinforcing Steel

📍 3055 Alvarado St, San Leandro, CA, 94577

📞 510-969-8932

Updated Sep 2026

US Fabrications

📍 1841 National Ave, Hayward, CA, 94545

📞 510-784-3094

🌐 usfab.com

US Fabrications is a steel fabrication manufacturer located in Hayward, California. The company specializes in various fabrication processes and serves clients in the region. Recent online activity indicates that the business is operational and available for inquiries.

Glazier Ironworks

📍 650 Sandoval Way, Hayward, CA, 94544

📞 510-471-5300

Pacific Welding And Machine

📍 22962 Clawiter Rd Ste 6, Hayward, CA, 94545

📞 510-783-2300

Olson Steel

📍 1941 Davis St, San Leandro, CA, 94577

📞 510-567-2200

🌐 www.olsonsteel.com

Metal Masters

📍 23679 Bernhardt St, Hayward, CA, 94545

📞 510-783-3111

National Metal Fabricators Inc.

📍 28435 Century St, Hayward, CA, 94545

📞 510-887-6024

Fellowship Foundry

📍 2479 Industrial Pkwy W Ste U, Hayward, CA, 94545

📞 510-352-0935

IPS

📍 27734 Industrial Blvd, Hayward, CA, 94545

📞 510-782-5324

Diamond Mfg. Corporation

📍 1763 Timothy Dr, San Leandro, CA, 94577

📞 510-614-1225