Custom Metal Fabrication

Built for Purpose. Made to Perform.


We specialize in NEMA-rated enclosures.

NEMA 1, 3, 3R, 4, 4X & 12. Each enclosure is custom fabricated to meet the requirements of its application, with the precision and durability needed for demanding environments.

Our products are certified and UL approved, providing confidence in their quality, safety, and performance.

WHAT WE DO

Metal fabrication built around your specifications.

SF Metal Box, Inc. specializes in custom metal fabrication for demanding commercial, industrial, and government applications. From electrical enclosures and wireway to data center cabinets, lighting and signal boxes, we build solutions designed around the requirements of each project.

From electrical enclosures and data center cabinets to wireway, signal boxes, and specialty copper work, SF Metal Box provides custom-fabricated solutions built for each project. We serve commercial, industrial, and government clients with durable, precise metalwork from concept to completion.

Galvanized Steel Hot Rolled Steel Cold Rolled Steel Aluminum Diamond Plate Stainless Steel Copper

Galvanized Steel Hot Rolled Steel Cold Rolled Steel Aluminum Diamond Plate Stainless Steel Copper

SELECTED PROJECTS

Built for some of the Bay Area’s most recognized organizations.

Healthcare & Education
UCSF Hospital
USF University
UC Berkeley
Stanford University

Technology & Data
Apple Corporate
Google Corporate
Facebook / Meta
Nvidia
Equinix Data Center

Infrastructure & Public Sector
San Francisco Water Dept.
City and County of San Francisco
BART
Caltrans
Golden Gate Bridge
SFO
Capitol

Sports & Commercial
Tesla
Chase Center
Levi’s Stadium
Oracle Park

BUILT TO SPECIFICATION

Precision in Every Detail.


NEMA-Rated Enclosures. NEMA 1, 3, 3R, 4, 4X & 12. Custom fabricated to meet the demands of each application.

From straightforward enclosures to complex fabrication requirements, SF Metal Box builds every solution around the specifications of the project. Our focus is simple: precise workmanship, dependable results, and metal fabrication that performs in the real world.

Commercial
Industrial
Government

LET'S BUILD SOMETHING

Have a project in mind?
Let’s talk.

Whether you have a detailed specification or are still defining what you need, SF Metal Box can help bring your project from concept to finished fabrication.