If you need precision parts, repairs, or custom fabrication in the East Bay, these five Oakland-area machine shops have the skills and equipment to get the job done. From family-run legacy shops to on-demand platforms, here's where to turn.
Oakland's Machining Landscape
Oakland's industrial roots run deep, and its machine shops serve everything from aerospace and medical to food manufacturing and hardware startups. The Port of Oakland and nearby tech hubs keep demand high for CNC milling, turning, welding, and rapid prototyping. Whether you're a one-off repair or a production run, you'll find shops that blend old-school craftsmanship with modern CNC precision. The challenge is picking the right fit for your project's timeline, tolerance, and budget.
How We Evaluated These Shops
We looked at each shop's service scope, from basic repairs to multi-axis CNC and laser cutting. We considered local fit, including location, turnaround, and how well they handle both small jobs and volume. Pricing clarity mattered too, especially for startups and engineers who need quick quotes. We also weighed experience and reputation, favoring shops with proven track records and specialized capabilities. Each business brings something different to the table, so the right choice depends on your specific needs.
Here's a quick snapshot of the five shops, ranked for ordering purposes only. Your ideal pick depends on your project's complexity, volume, and urgency.
| Provider | Best For |
|---|---|
| RivCut | Fast online quotes and DFM feedback |
| Fabrication Shop in Oakland, CA | Gonsel's Machine Shop | Legacy family-run repair and custom machining |
| Glint Manufacturing | Multi-process fabrication and laser cutting |
| Owens Industries | ISO-certified ultra-precision machining |
| Diamond Tool and Die, Inc. | Prototype to production with rush capabilities |
The Five Shops, Closer Look
#1 RivCut
A screenshot of the RivCut website.
RivCut is an on-demand CNC platform that makes getting parts machined in Oakland as easy as uploading a CAD file. They offer 3, 4, and 5-axis milling, precision turning with live tooling, and rapid prototyping with fast first articles. You can get an instant quote and free design-for-manufacturability feedback, which is a huge time-saver for engineers. They handle production runs from 1 to 5,000+ parts, so you can scale from prototype to production without switching vendors. Their quality assurance includes CMM inspection and full traceability, which is critical for regulated industries. If you value speed and transparency, RivCut is a strong contender.
#2 Fabrication Shop in Oakland, CA | Gonsel's Machine Shop
A screenshot of the Gonsel's Machine Shop website.
Gonsel's Machine Shop has been a family-owned staple in Oakland since 1953, now run by third-generation Jim Gonsalves. They specialize in custom precision machining and repair services, catering to CNC machining and fabrication needs across the Bay Area. Located near the Oakland Airport and Coliseum Complex, they offer a personal touch that's rare in today's automated world. Their longevity speaks to their reliability and deep local knowledge. If you need a trusted partner for repairs or custom parts, Gonsel's brings decades of hands-on experience. They're the kind of shop that knows your name and your machinery.
#3 Glint Manufacturing
A screenshot of the Glint Manufacturing website.
Glint Manufacturing offers a broad range of services including CNC milling and turning, manual machining, welding, and fiber laser cutting. Their 12KW fiber laser delivers speed and precision that plasma or waterjet can't match, cutting steel, stainless, and aluminum with ease. They also provide design assistance and reverse engineering for old parts or outdated drawings, which is a lifesaver for legacy equipment. Whether you need a single part or volume processing, Glint's multi-process capabilities handle complex geometries and tight tolerances. Their Oakland location on Union Street makes them accessible for local drop-offs and consultations. For a one-stop shop that can weld, cut, and machine, Glint is a solid pick.
#4 Owens Industries
A screenshot of the Owens Industries website.
Owens Industries is a precision CNC machining company that serves Oakland industries from their ISO-certified facility. They specialize in ultra-precision work including wire EDM, CNC Swiss machining, and 5-axis machining, with temperature and dust-controlled systems for consistent quality. Their engineers work closely with clients in medical, biotech, and pharmaceutical fields, ensuring parts meet exact specifications. They also support the Port of Oakland's shipping industry with tool and die components. If you need high-tolerance parts and have a bit more lead time, Owens brings serious engineering muscle. Their certifications and controlled environment are a plus for critical applications.
#5 Diamond Tool and Die, Inc.
A screenshot of the Diamond Tool and Die, Inc. website.
Diamond Tool and Die, Inc. (DTD) is a full-service machine shop in Oakland offering CNC and manual machining of all metals and plastics. They take projects from prototype to production, with specialties in wire EDM and repairs. Their 30,000 square foot facility includes three temperature-controlled CMM inspection rooms and a clean packaging room, ensuring quality at every step. DTD runs day, night, and weekend shifts, so they can handle rush jobs and emergency services. They also coordinate outside services like finishing, making them a convenient single point of contact. For a shop that can handle complex parts and tight deadlines, DTD is a reliable choice.
How to Choose the Right Shop
Start by defining your project's complexity and tolerance requirements. If you need quick quotes and design feedback, an online platform like RivCut might be your best bet. For legacy repairs or a personal relationship, Gonsel's family-run shop offers trust and experience. If you need multiple processes like welding and laser cutting, Glint's versatility is a plus. For ultra-precision and ISO-certified work, Owens Industries is built for that. And if you have a tight deadline or need prototype-to-production support, Diamond Tool and Die's extended shifts can save you. Always ask about lead times, minimums, and how they handle quality inspection.
Streamlining Your Machining Workflow
To get the most out of these shops, digitize your part files and specifications upfront. Use online quote tools where available, like RivCut's instant quoting, to compare pricing quickly. For shops that require RFQs, prepare a clear drawing with tolerances and material specs to speed up the process. Consider using a mix of shops: a quick-turn platform for prototypes and a local shop for production or repairs. Automate your reordering by keeping approved drawings and supplier contacts in a shared folder. This way, you can move from design to finished part with minimal friction.
The Bottom Line
Oakland's machine shop scene offers something for everyone, from a 70-year-old family business to high-tech on-demand platforms. Your choice should align with your project's urgency, precision needs, and budget. Gonsel's stands out for its legacy and personal service, making it a great anchor for local businesses. But don't overlook the specialized capabilities of RivCut, Glint, Owens, and Diamond Tool and Die. Evaluate your priorities, get quotes, and build a relationship with a shop that can grow with you. The right partner will keep your projects on track and your machinery running.