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Optima Steel International is open, with all Sales and Staff working a hybrid schedule. To get in touch with any OSI contact, please call their direct office line, as all lines continue to be forwarded. If you need assistance reaching any OSI contact, please call 925-338-2300.

Products & Services

Optima Steel International (Optima) offers a diverse range of steel and aluminum products specifically produced for customers. All products – flat-rolled and pipe – are ordered according to ASTM and API specifications. Orders are placed “back-to-back”, with negotiated value-added services, including storage and processing options. Below is a list of items currently offered, which is able to expand per the request of any current or future customer.

Optima is proudly a member of the National Frame Building Association (NFBA) and an associate member of the Air Distribution Institute (ADI).


    • Hot Rolled
    • Cold Rolled
    • Hot Dipped Galvanized
    • Galvalume
    • Galvanneal
    • Aluminized
    • Stainless
    • Pre-Painted

Value-Added Services

    • Inventory Management
    • Processing
    • Single-Bill Programs
    • Storage


    • OCTG
    • Line
    • Industrial