Reliable Steel and Aluminum Manufacturing Supplies for California, the U.S., and Southeast Asia

As a leading Bay Area metal supply company, Reliance Metalcenter provides manufacturing metals and fabrication supplies for OEMs, contract manufacturers, and production facilities across diverse sectors. From high-volume fabrication lines to precision shops working with tight tolerances, manufacturers rely on us to supply the aluminum, stainless steel, and carbon steel products they need, backed by value-added processing and responsive local support.

Operating from a 165,000-square-foot steel service center in Union City, California, we deliver consistent quality, inventory availability, and timely service. Our location serves as a reliable metal services company and steel distributor for northern California and northern Nevada. In addition, our network of domestic and international logistics operations makes us a dependable steel and aluminum metal supply company for the Bay Area, as well as for manufacturers in Mexico, Korea, Japan, Taiwan, China, and Southeast Asia.

Metal Supply for Manufacturing and Fabrication Companies

We maintain a broad inventory of flat-rolled coil, plate, sheet, bar, tubing, and shapes to support a wide range of manufacturing applications. As a Bay Area metal supply company, we offer a well-organized local inventory and direct access to hundreds of additional products through the Reliance family of companies.

Our product range includes:

Aluminum Manufacturing Supplies

As an aluminum manufacturing supplies company, we support high-performance production with a full range of alloys, tempers, and formats. Our aluminum metal suppliers provide products used in aerospace component assembly, electronic housings, framing systems, and precision brackets.

Available aluminum products include:

• Aluminum sheet and plate in 5052, 6061, and 6062 grade
• Aluminum coil in multiple finishes
• Flat bar, round bar, square bar, and rectangular bar stock
• Structural tubing and channel shapes for light structural needs

Aluminum offers corrosion resistance, formability, and lightweight properties that make it suitable for equipment enclosures, consumer products, and structural components. With local inventory and cut-to-size processing, we reduce material waste and simplify downstream operations.

Carbon Steel for Manufacturing

Our inventory of carbon steel sheet, coil, and bar is ideal for stamping, forming, welding, and general-purpose fabrication. We are a proven carbon steel supplier supporting industrial manufacturers, machine shops, and OEM production lines.

Popular formats include:

• Cold-rolled carbon steel coil and sheet for applications requiring a smooth finish and dimensional control
• Hot rolled pickled and oiled (HRPO) sheet for clean, formable surface preparation
• Galvanized sheet and coil for corrosion protection
• Carbon steel bars in square, flat, round, and hexagon profiles

As a steel manufacturing supplies company, we offer next-day delivery and support Just-in-Time ordering strategies. Our local inventory and metal processing services make us a trusted steel company for regional fabrication needs.

Stainless Steel Fabrication Supplies

Stainless steel offers strength, corrosion resistance, and appearance retention for precision parts and assemblies. Our team serves as one of the leading stainless steel suppliers in the USA, supporting customers with standard and specialty stainless grades in plate, sheet, coil, tubing, and bar.

Stainless steel products include:

• 304 stainless steel sheet, plate, and coil for general corrosion-resistant applications
• 316 stainless steel for harsh environments, chemicals, and marine applications
• Bar and tubing for structural use, ornamental design, or precision parts
• Specialty finishes including 2B, #4, and polished options

From food equipment to industrial cabinets and panels, our stainless steel supply supports tight-tolerance work and fabrication consistency. As one of the top Bay Area steel suppliers, we deliver stainless materials with test reports and traceability documentation for OEM specifications.

Precision Processing for Manufacturing Efficiency

Reliance Metalcenter is more than a metals distributor. We also operate as a metal processing services provider, helping manufacturers reduce handling time and meet precise tolerances. As a metals processor for northern California, we offer:

• Coil blanking and leveling
• Cut-to-length processing
• Coil shearing for steel and aluminum
• PVC coating for stainless and aluminum sheet
• Saw cutting and circle cutting
• Paper interleaving and custom packaging
• Custom part optimization for minimal scrap

Whether you need large-volume coil slitting or tight-tolerance sheet metal blanks, our Union City steel service center is equipped to support production workflows efficiently. Our processing capabilities support high-mix-low-volume and high-volume repeat work for regional manufacturers and fabricators.

Serving Regional and International Markets

Reliance Metalcenter is a steel and aluminum metal supply company for the Bay Area, supporting fast delivery and local fulfillment throughout northern California and northern Nevada. For manufacturers with national and international operations, our distribution team coordinates multi-site delivery and ongoing inventory programs.

We are a steel and aluminum metal supply company for Mexico, Korea, Japan, Taiwan, and China. Our reach includes end users managing export builds and contract manufacturing in Asia-Pacific. In Southeast Asia, Reliance Metalcenter supports manufacturers in Vietnam, Thailand, Indonesia, Singapore, India, and Malaysia with regional responsiveness, reliable shipping, and quality compliance.

Southeast Asia Capabilities and RMAP Considerations

Our Asia-Pacific operations include a dedicated metal distribution and processing center in Singapore. This location plays a key role in supporting Southeast Asia-based manufacturing clients with regionally cut aluminum plate and processed metals. For U.S. customers with overseas manufacturing sites or cross-border assembly lines, our presence in Asia simplifies supply chain management.

Our Singapore operation supports large-format saw cutting, rapid blanking, and export-compliant packaging. Customers include OEMs in the electronics, aerospace, industrial systems, and consumer product sectors. We coordinate shipping from both California and Southeast Asia to support seamless replenishment.

Trusted by Manufacturers Across Industries

As one of the most established steel suppliers in northern California, Reliance Metalcenter supports a broad manufacturing customer base. Our inventory, processing capabilities, and sourcing flexibility make us a go-to manufacturing metals supplier for industries including:

• Electronics and semiconductor equipment
• HVAC and appliance production
• Aerospace and aviation
• Agricultural and food processing systems
• Construction equipment
• Telecom and infrastructure
• Medical device enclosures
• Consumer electronics

By offering aluminum, stainless steel, and carbon steel in diverse formats, we support everything from prototyping and tooling to full-scale manufacturing. Our ability to manage custom specs, respond to short lead times, and document traceability positions us as a preferred steel for OEMs provider in California.

Why Manufacturers Choose Reliance Metalcenter

With access to more than 300 locations in the U.S. and abroad through Reliance Steel & Aluminum Co., we offer unmatched supply chain continuity and product availability. Our Union City team stands out among manufacturing metals suppliers for its combination of inventory scale and responsive service.

Key reasons manufacturers partner with us:

• ISO 9001:2015 certification for quality control
• Support for DFARS compliance and material certifications
• Just-in-Time programs and inventory management
• Personalized account service with fast quoting
• National and international delivery coordination

As a Bay Area metal supply company, we are structured to support OEMs with domestic and global manufacturing operations. Whether you need a steel distributor for repeat orders or a one-time aluminum sheet delivery, we help keep your production on schedule.

Get a Quote from a Leading Metal Service Center

Contact Reliance Metalcenter to request a quote or check availability on aluminum, carbon steel, or stainless steel for your production needs. Our experts are ready to help you find the right metal for fabrication, part stamping, structural framing, or assembly-line manufacturing.

We serve as a reliable aluminum metal supplier, stainless steel supplier, and carbon steel supplier with proven delivery performance, quality processing, and product knowledge. From metal fabrication supplies to OEM-grade raw materials, Reliance Metalcenter is your California-based source for competitive manufacturing metals.