Reliance Sheet & Strip Company
We supply a wide range of flat-rolled carbon steel coils, sheets, and blanks, including domestically sourced products.
Independently Driven.
Employee Owned.
Quality Steel and Service.
Reliance Sheet & Strip Company has built a reputation as Northern California’s trusted steel supply partner by pairing top-tier products with unmatched personal service. For more than 70 years, we have specialized in delivering precisely what our customers need—on schedule, and priced competitively.
Located in Antioch, California, we are proud to be a 100% employee-owned company with a dedicated team committed to quality and consistency. Unlike the large, publicly traded corporations, we know our customers by name. Every order matters, and we take pride in treating each client with a personal touch that makes doing business with us straightforward, dependable, and stress-free.
Our Steel Products
We supply a wide range of flat rolled carbon steel coils, sheets, and blanks, including:
Hot Rolled
Strong, durable steel ideal for structural and industrial applications.
Cold Rolled
Smooth finish and tighter tolerances for precision work.
Galvanized
Zinc-coated for maximum
rust protection.
Galvannealed
Durable, paintable coating
for automotive and
manufacturing needs.
HR & HRPO Plate
Heavy gauge quality steel for
heavy-duty projects.
Hot Rolled Pickled and Oiled
Improved surface finish and
corrosion resistance fo
cleaner fabrication.
Aluminized
Fuel tanks, exhaust systems,
vehicle upfitting
Floor Plate
Truck beds and trailers,
ramps, and stairways
general fabrication
Weathering Steel
Finish transportation manufacturing, architechtural panels, roofing,
siding and landscaping.
Your projects deserve materials
you can trust. Tell us what you need, and we’ll provide a tailored quote—quick, clear, and competitive.
from dependable U.S.-based mills
and suppliers.
Why Choose Reliance Sheet and Strip Company
Over 70 years of proven expertise in meeting exact customer requirements.
Employee-owned and operated, meaning every team member is invested in your satisfaction.
Small, agile, and responsive – we can adapt quickly to changing needs.
Community-focused – committed to strengthening local business relationships.
Long-term relationships with domestic steel mills.
Personalized service – you’re not “just a number” here, when you call, we answer.
Reliance Sheet & Strip Company is your dependable source for high-quality materials, responsive service, and competitive pricing, all backed by the care and attention of a small, dedicated team.
A Northern California Steel Processor
Service Area for RSS Company
Located in Antioch, California, Reliance Sheet & Strip Company is an independently owned distributor of flat rolled carbon steel coils, sheets and blanks. We service clients in the general Northern California area. If you would like to find out if we provide FREE shipping and transportation to your area, please call our sales team to find out.