CNC machining in Los Angeles, CA
Upload a STEP file or a drawing and we will get it machined, whether that is one launch bracket or a fifty-piece production run. The metro has 956 machine shops; the work is picking the right one.
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How OpenSpindle helps with CNC machining in Los Angeles, CA
OpenSpindle is the manufacturing partner built for hardware companies and startups.
For CNC machining in Los Angeles, CA, that usually starts before a quote exists. We look at the model and tell you which features are driving the price: the setup you could design out, the tolerance that is tighter than the function needs, the corner radius that does not match a standard end mill. Then we route the job to a shop set up for that part, at that quantity, and stay on it through first article and revisions.
We work with a sourcing network of 260+ independent machine shops, fabricators, and manufacturers, and we source the right capabilities for each project.
But we're more than a marketplace or a matchmaking service. We stay involved in the process.
- Finding the right CNC machining partner
- A shop set up for that part at that quantity, not whoever answered the phone
- Reviewing designs for manufacturability
- Cost drivers caught while changing the model is still free
- Finding ways to reduce production costs
- Process and material substitution, fewer setups, better yield
- Getting CNC machining prototypes and one-off parts made
- Quantity one quoted seriously, not deprioritized behind a production run
- Sourcing hardware and other components
- The rest of the BOM, not only the parts we make
- Managing quotes and supplier communication
- One thread instead of nine, revisions included
- Helping transition successful prototypes into production
- Re-sourced as volume changes, instead of capped by one shop
Who buys precision machining in Los Angeles, CA
Third-party market data about the Los Angeles metro. These are counts of entire industries in the area, not a description of the OpenSpindle network.
| Industry | Establishments | Location quotient |
|---|---|---|
| Machine shops | 956 | 0.84 |
| Machinery mfg | 1,030 | 0.48 |
| Computer & electronic product mfg | 1,260 | 0.78 |
| Architectural, engineering & related | 6,285 | 0.59 |
What Los Angeles builds
Los Angeles is the largest manufacturing base in the United States by count. It holds more machine shops than any other metro, 956 of them, and it leads the country on fabricated metal, transportation equipment and computer and electronic product establishments as well. No other market puts that much capacity inside one commuting shed.
The location quotients tell the other half of the story. Every one of those industries sits below the national average here, between 0.71 and 0.84, because Los Angeles is enormous and manufacturing is a modest share of an economy that also runs entertainment, logistics, trade and design. Scale without concentration is the defining feature of this market, and it changes what sourcing well means.
The one thing the metro genuinely over-indexes on is specialized design services, 4,149 establishments at 1.39 times the national average, second only to New York. Los Angeles designs far more than it makes, which puts an unusual number of buyers here in the position of specifying a part they have no intention of producing themselves.
The space corridor along the coast is the most concentrated hardware cluster in the metro. SpaceX builds Falcon and Starship vehicles in Hawthorne. Boeing runs its El Segundo satellite factory, the largest facility of its kind. Northrop Grumman works out of Redondo Beach, and Long Beach holds both Rocket Lab, whose Spacecraft Production Complex sits alongside its headquarters, and Relativity Space, which is building 3D-printed reusable vehicles there.
That corridor keeps densifying. Varda Space Industries took a 205,000 square foot El Segundo campus, the former Mattel design center, specifically to scale spacecraft manufacturing for its in-orbit pharmaceutical labs. These are companies shipping physical hardware on launch schedules, and they buy machined, formed and printed parts continuously.
Two other blocks matter and get less attention. Medical device manufacturing runs through the Chatsworth and Valencia corridor, part of a miscellaneous manufacturing base that ranks second nationally at 1,667 establishments. And the studio economy buys hardware nobody else does: camera rigs, motion-control mounts, scenic panels and road cases, at a volume no other US metro generates.
The practical consequence for sourcing is selection, not scarcity. With 956 machine shops spread across a metro ninety miles wide, the hard question is never whether someone nearby can make the part. It is which of them is set up for that part, at that quantity, on your date, and there is no directory that answers it.
Anchor employers in the metro include SpaceX (Hawthorne), Boeing Satellite Systems (El Segundo), Northrop Grumman (Redondo Beach), Rocket Lab (Long Beach), Relativity Space (Long Beach), Varda Space Industries (El Segundo).
What Los Angeles buyers machine
Machining demand here concentrates in the coastal space corridor before anything else. Launch and satellite programs order structural brackets, fittings, fluid-system bodies and the optical benches and mounts that have to stay dimensionally stable through a thermal cycle. Alongside the flight hardware sits an equally large volume of ground support and integration tooling: fixtures, stands and carts that never fly but hold up a build slot if they are late. Defense subcontracting adds work to drawing with full traceability, a different order of paperwork from a prototype.
The buyers behind the primes
The rest of the demand comes from teams building their first hardware rather than their thousandth,, the reason specialized design services over-index here at 1.39 while every manufacturing sector under-indexes. Robotics teams order brackets, linkages, motor mounts and structural housings a few pieces at a time while a design is still moving. Autonomous and defense-adjacent UAV programs order machined aluminum fittings, booms and motor mounts alongside the composite plate they route. Consumer hardware teams order five to a hundred machined prototypes before they commit to injection tooling, a quantity most production shops treat as an interruption. And the studio economy orders camera bodies, motion-control components, lighting hardware and robotic rig parts at a density no other US market comes close to. Medical devices through the Chatsworth and Valencia corridor sit alongside all of it, where the metro ranks second nationally on miscellaneous manufacturing establishments: instrument bodies, handle components and implant trials in stainless and titanium, usually with a documented process.
What that means for how a part gets quoted
Two things separate this metro from most. The first is that dates are usually external: a launch slot, an integration window, a clinical milestone. A shop that quotes four weeks on a part you need in ten days has not really quoted it, so we route on schedule as hard as on capability. The second is traceability: a large share of this work carries material certs, inspection reports or an AS9100 or ISO 13485 expectation. Say on the request which of those applies and the quote reflects the real job.
Materials this metro orders most
6061 and 7075 aluminum carry most structure and tooling. Titanium 6Al-4V shows up wherever stiffness per unit mass justifies the cost, which on a launch vehicle is often. 304 and 316L stainless serve fluid systems and the medical corridor, and Inconel appears on hot-section and high-temperature hardware. Delrin and PEEK cover the electrically isolating and vacuum-compatible parts that satellite and instrument work needs.
CNC Machining options
| Process | Lead time | Tolerance | Notes |
|---|---|---|---|
| 3-axis milling | From 3 business days | +/- 0.005 in (0.13 mm) | The default for prismatic parts, plates, and housings with features on one or two faces. |
| 5-axis milling | From 5 business days | +/- 0.002 in (0.05 mm) | Contoured and undercut geometry, and parts you would otherwise have to fixture three times. |
| CNC turning | From 3 business days | +/- 0.002 in (0.05 mm) | Shafts, bushings, and anything round. Live tooling adds cross-holes and flats in one setup. |
| Swiss machining | From 7 business days | +/- 0.0005 in (0.013 mm) | Small, long, high-precision turned parts in volume: pins, connectors, shafts, and fasteners. |
| EDM and wire EDM | From 7 business days | +/- 0.0002 in (0.005 mm) | Sharp internal corners, thin ribs, and hardened tool steel, where a cutter either cannot reach or cannot survive. |
| Precision grinding | From 5 business days | +/- 0.0001 in (0.003 mm) | The finishing operation for flatness, parallelism, and surface finish a mill cannot hold on its own. |
Lead times are typical shop turnaround and exclude transit.
Shipping and transit
Most parts move inside the metro on a same-day or next-day ground lane, which is unusual: Los Angeles is wide enough that a shop sixty miles away is still local. Work sourced outside California reaches Los Angeles in two to three ground transit days from the Mountain West and four to five coast to coast. Oversized weldments, integration frames and ground support equipment ship LTL freight.
Spec references
Related processes
CNC Machining material guides
Who we build for in Los Angeles
Top California metros for CNC machining
| Metro | US rank | Machine shops | Location quotient |
|---|---|---|---|
| Los Angeles, CA | 1 | 956 | 0.84 |
| San Jose, CA | 9 | 318 | 2.37 |
| Riverside, CA | 12 | 229 | 0.87 |
| San Francisco, CA | 18 | 190 | 0.54 |
| San Diego, CA | 21 | 175 | 0.83 |
| Sacramento, CA | 44 | 75 | 0.46 |
| Oxnard, CA | 46 | 72 | 1.45 |
| Fresno, CA | 87 | 35 | 0.44 |
Ranked by machine shop establishments in each metro (NAICS 332710), the closest census measure of where machining capacity sits. Source: BLS QCEW 2025 Q2.
Where Los Angeles sits nationally
Los Angeles ranks 1 of 378 US metros on Machine shops (956 establishments). On demand it ranks 1, so local capacity and local demand are roughly in step. We still quote it against the national network, because the right shop for a part is the one set up for it.
We tap our partner network. You get the best-match quote.
Upload your part and we tap our network of partner shops to get you a competitive, all-in quote that is the best match for the job.
Frequently asked questions
Can you support AS9100 or ISO 13485 requirements?
Yes, and Los Angeles asks for it more than most metros do. Put the standard, the material certs and the inspection requirement on the request rather than after the quote, because it changes which shops can bid and it changes the price. A shop that cannot produce the documentation is the wrong shop even when the number is attractive.
How fast can I get a machined part in Los Angeles?
Simple 3-axis aluminum parts commonly run three to five business days in the shop. Inside the metro, transit is often same-day or next-day, which is unusual and worth using: a shop sixty miles away in this market is still local. Tight-tolerance or multi-setup work runs longer.
Los Angeles has 956 machine shops. Why use OpenSpindle?
That is the reason. With 956 machine shops spread across ninety miles, the constraint is never whether someone can make the part, it is which of them is set up for that part at that quantity on your date. Nothing about a shop website tells you that. We route on capability and schedule, and we stay on the job through first article and revisions.
What files do you need?
A STEP or Parasolid model is ideal. A PDF drawing alone works if it is fully dimensioned. Both together is best, because the model drives the toolpath and the drawing carries the tolerances, finishes and material callout that a model cannot express.
Will you quote a single part?
Yes. One-off prototypes are a normal order, not a favor. Quantity one simply prices differently, because setup is spread across one piece rather than fifty, and it is worth knowing that before you decide how many to build.
How much does CNC machining cost in Los Angeles?
Material and setups drive the base, and in this metro documentation drives the rest. A part machined to a drawing costs one thing; the same part with material certs, inspection reports and an AS9100 expectation costs meaningfully more, because fewer shops can bid it and the paperwork is real work. Tell us which you need up front and the quote reflects the actual job.
Around Los Angeles
We quote CNC machining for the wider Los Angeles area, including Long Beach, El Segundo, Hawthorne, Torrance, Anaheim, Burbank, Pasadena, Santa Clarita, Chatsworth.
More of what we make in Los Angeles, CA
Ready to start your CNC machining project in Los Angeles, CA?
From CAD to finished product, we're your manufacturing partner. Upload a CAD file, a drawing, or an early concept, and we will come back with a quote and anything we would change first.