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California Crown, Inc. 

1920 E. Locust St., Ontario, California, 91761, United States


California Crown, Inc. is a machine shop that specializes in the cost-effective production of precision machined components. Our services include CNC turning and CNC milling in aluminum, stainless, carbon/alloy steels, and plastics. We can quote/manufacture parts "complete" including material sourcing, heat treating, and finishing as part of our overall process. In addition, in certain cases, we even offer assembly services to our customers. Our AS9100 compliant quality system not only ensures that parts will meet customers' specifications, but that continuous improvement of our shop processes will directly translate into the best pricing for our customers. Our greatest strength is CNC turning of precision parts (tolerances held to +/- 0.0002") ranging from 0.50" to 8.00" diameter. If you have a part requiring tight tolerances in this size range, please give us a chance to quote it for you, as we feel strongly that we can meet and/or beat any price expectation, and deliver parts of outstanding quality. Thank you very much for having taken the time to read our company introduction and for having given us this opportunity to quote. Equipment List: CNC TURNING (~0.5" to 8.0" diameter) - FEMCO HL-15 Lathe - FEMCO HL-25 Lathe - Goodway GCL-15 Lathe - Hardinge 8/52 Lathe - Mori-Seiki SL-0 Lathe - Takisawa-T EX-108 Lathe, CNC Milling

Our Work

Manufacturing Capabilities


Phosphate Plating Line


Salt Spray Testing Machine

CNC Turning - 12 Star CNC Swiss Type Automatic Lathes (SB16 SB20 SR20 SR32 SW20)

Other Machining

other drill lathe

Assembly Line

(1) TorchMate 10'x15' HiDef Plasma CNC Profiler

380 Tons Injection Machines

Index Screw Machines

water treatment

Optical geometric measurement machine

Company Details

Company Type




MFG Member Since



United States



Ratings & Reviews From Buyers

5.00 (6)
Great quality, responded to all of our messages, delivered on time. We will be ordering a higher quantity next time! We definitely recommend California Crown, Inc.
—Jeremy P, Radium Engineering
Sample part was submitted for approval. Production parts right on. Great supplier, will use again.
—Don R, Airflow Performance, Inc.
Good looking parts that meet spec. Delivered on time.
—Nicholas L, BimmerWorld
great to work with,parts came out perfect
—Tim H, Ms Shocks
Great company to work with. Delivered on time. Parts machined perfectly, Packaged perfectly, Priced perefectly. In other words this company is perfect.
—Tim Y, The Custom Saber Shop
Nice Work, will use again.
—Brady G, Feasible Solutions
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