
Parts of consequence,
machined to the tenth.
Ten vertical and five 5-axis machining centers cutting aluminum, stainless, titanium and Inconel to standard tolerances of ±.001″, with critical features held to ±.0001″.
An established precision CNC manufacturer in Los Angeles — 35+ machines, a full in-house inspection lab, and AS9100D systems behind every aerospace, defense and medical component we ship.
Looking for superior CNC machined parts?
We are your one-stop source for primary and secondary operations of premium machined parts. With our technical capacity and highly skilled staff, we produce parts that are unsurpassed in performance, durability and quality — and have contributed to the success of our clients since 1986.
RJ Enterprises is AS9100D and ISO 9001:2015 certified under DNV, with the current certificate available to download on our Quality page. Programming, machining and inspection all happen in the same building in Gardena, California.
Standard production tolerances of ±.0005″ on turned diameters and ±.001″ on milled features, with critical features held to ±.0001″ where the print requires it. Materials run from aluminum and stainless through titanium, Inconel®, alloy steels, copper, brass and engineering plastics — inspected in-house and shipped Dock-to-Stock.
Six disciplines.
One uncompromising standard.

CNC Milling
Ten verticals — Okuma 5-axis, Brother Speedio, Haas and Fadal.

5-Axis Machining
Five 5-axis centers — complex contours in fewer setups.

Swiss Turning
Sixteen Citizen, Miyano and Tsugami Swiss-type lathes.

CNC Turning
Eight turning centers — Okuma, DMG MORI, Takisawa, Haas.

Inspection & Metrology
ZEISS ACCURA and Mitutoyo CMMs, four Keyence IM systems — in-house.

CNC Tooling
Custom fixturing and tooling engineered in-house.

Thirty-five machines.
One uninterrupted line of sight from drawing to dock.
Equipment Inventory →Trusted by manufacturers across a hundred-plus industries.
Aerospace, medical, automotive, defense, oil & gas, motorcycle suspension, lawn & garden, computing, and consumer electronics — from Fender Guitars to oil drilling services in Texas.
Selected Projects →
Anonymized examples of demanding work.
Material, process, equipment and inspection method for representative aerospace, defense and medical parts — described without identifying the customer or exposing proprietary information.
Read Case Studies →Describe your part.
See the process path.
FirstChip is an in-house tool we built to show, in a few clicks, how a part would move across our floor — which machines, in what order, and how it would be inspected. It is a conversation starter, not a quote, and it takes no drawings or controlled technical data.
- 01Pick the part family
Geometry, sub-type, material and finish.
- 02Set the production context
Industry, tolerance class, quantity, regulatory.
- 03Process path mapped
Specific RJ machines, sequenced step by step.
- 04Move to a formal RFQ
Hand the spec to estimating and talk to a person.