Fabrication Steel Manufacturers locations near Castro Valley, CA

Showing 1–10 of 10 results

Our Castro Valley, CA directory covers 10 fabrication steel manufacturers listings in 4 ZIP codes. Listings here were last checked in Sep 2026.

Updated Sep 2026

US Fabrications

Fabrication Steel Manufacturers

📍 1841 National Ave, Hayward, CA, 94545

📞 510-784-3094

🌐 usfab.com

Taitague Reinforcing Steel

Fabrication Steel Manufacturers

📍 3055 Alvarado St, San Leandro, CA, 94577

📞 510-969-8932

Glazier Ironworks

Fabrication Steel Manufacturers

📍 650 Sandoval Way, Hayward, CA, 94544

📞 510-471-5300

Pacific Welding And Machine

Fabrication Steel Manufacturers

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

📞 510-783-2300

National Metal Fabricators Inc.

Fabrication Steel Manufacturers

📍 28435 Century St, Hayward, CA, 94545

📞 510-887-6024

Olson Steel

Fabrication Steel Manufacturers

📍 1941 Davis St, San Leandro, CA, 94577

📞 510-567-2200

🌐 www.olsonsteel.com

Diamond Mfg. Corporation

Fabrication Steel Manufacturers

📍 1763 Timothy Dr, San Leandro, CA, 94577

📞 510-614-1225

Farr C M Metal Construction

Fabrication Steel Manufacturers

📍 18311 Bollinger Canyon Rd, San Ramon, CA, 94583

📞 925-820-4024

Metal Masters

Steel & Metal Goods & Products

📍 23679 Bernhardt St, Hayward, CA, 94545

📞 510-783-3111

Leeway Iron Works Inc

Stair Builders & Contractors

📍 565 Estabrook St, San Leandro, CA, 94577

📞 510-357-8637

🌐 leewayiron.net

Related Categories

Fabrication Steel Manufacturers Stair Builders & Contractors Steel & Metal Goods & Products

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