Diamond Tool & Die, Inc Email Format

Defense and Space ManufacturingCalifornia, United States11-50 Employees

Diamond Tool & Die, Inc. is a California-based full-service machine shop with more than four decades of experience, serving both prototype and production needs. The company provides a broad range of machining and fabrication capabilities, including milling, turning, wire EDM, fixturing, welding, honing, grinding, repairs, reverse engineering, deburring, and inspection, and works with all metals and plastics. It also coordinates external services through qualified partners for processes such as coating, plating, heat treating, and laser marking, enabling end-to-end project support. Their customer base spans diverse industries, including aerospace, defense, automotive, energy, and manufacturing, among others, indicating a focus on complex, precision-driven components and assemblies. Based in Oakland, California, the firm positions itself as a versatile, small-to-mid-sized shop capable of supporting customers from initial concept through production, with an emphasis on engineering-driven and material-flexible solutions. The company is registered as a small business with federal and local authorities, reflecting its established status within the defense and space manufacturing ecosystem.

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