Are you having trouble choosing the right CNC supplier for a high-precision RF housing? The wrong supplier can lead to poor fit, rework, and delays.
The best supplier should offer tight tolerance machining, stable quality, the right equipment, and reliable production support. Cost matters, but accuracy and consistency matter just as much.
As a CNC machining expert, I know what usually causes problems in RF housing projects and what buyers should check before choosing a supplier. This experience helps me compare manufacturers based on real production needs, not just marketing claims.
In this guide, you will learn what to look for in an RF housing supplier and how the leading manufacturers compare. Keep reading to find the option that best fits your project.
Top 3 CNC Machined RF Housing Manufacturers at a Glance
Choosing a supplier gets easier when you compare the points that matter most for your project. This quick table helps you see how the leading options differ before looking at their abilities in more detail.
| Manufacturer | Best For | Key Capabilities | Main Limitation |
| Cox Manufacturing | High-volume precision production | Swiss machining, complex small parts, electronics components | Less suited to one-off prototypes |
| Roch CNC | Complex RF housing projects | CNC milling, turning, difficult materials, RF shielding components | Lead times may be longer during busy periods |
| MachMaster | Prototype-to-production RF housings | CNC machining, ±0.01 mm tolerances, DFM support, surface finishing | Overseas shipping may take longer |
#1 Cox Manufacturing
Cox Manufacturing is strong in high-volume CNC production and Swiss-style machining. It works well for small, complex components that need consistent dimensions across large production runs. Its experience in electronics, aerospace, and medical applications also makes it useful for demanding precision projects.
#2 Roch CNC
Roch CNC focuses on complex CNC milling and turning for precision applications. It also works with difficult-to-machine materials and produces RF shielding, aerospace housings, and defense components. This makes it a practical option for projects that need more technical machining support.
#3 MachMaster
MachMaster combines CNC machining with sheet metal fabrication, injection molding, and surface finishing. It can produce parts with tolerances up to ±0.01 mm and provides DFM support for design and production planning. Its flexible setup supports projects from prototype batches to larger production orders.
1. Cox Manufacturing
Cox Manufacturing is a U.S.-based precision machining company known for high-volume CNC production and Swiss-style machining. It works with industries such as electronics, medical, and aerospace, with a strong focus on small and complex precision parts.
Corporate Data
- Established Date: 1956
- Website: https://www.coxmanufacturing.com/
- Location: San Antonio, Texas, USA
- Reach: Primarily North America, with global shipping capabilities
- Certifications: ISO 9001:2015
Product Focus
- CNC Swiss-machined components
- Small precision parts
- Complex electronic components
- Medical components
- Aerospace components
Strengths & Weaknesses
Strengths:
- High-Volume Production: Cox Manufacturing is well suited to repeat production where you need large quantities of precision parts with consistent dimensions.
- Strong Quality Management: Its ISO 9001:2015 certification and established inspection processes make it a practical option for projects with documented quality requirements.
Weaknesses:
- Less Suitable for One-Off Parts: Very small prototype orders may not be as cost-effective as working with a shop focused mainly on low-volume prototyping.
- Focus on Smaller Components: Much of its machining expertise centers on Swiss-machined and compact precision parts, so you should confirm capacity if your RF housing is a large rectangular enclosure.
Takeaway
Cox Manufacturing is a good fit if you need high-volume production of small, complex RF housings or related precision components. Its main drawback is that larger enclosure projects or very small prototype orders may be better suited to a supplier with a different machining setup.
2. Roch CNC
Roch CNC is a U.S.-based precision machining company that focuses on complex CNC milling and turning. It works with demanding materials and serves projects where tight machining requirements and technical input matter.
Corporate Data
- Established Date: 1984
- Website: https://www.rochcnc.com/
- Location: New Jersey, USA
- Reach: Primarily the U.S. market, with support for international projects
- Certifications: ISO 9001
Product Focus
- RF shielding components
- Aerospace housings
- Defense components
- Complex CNC-milled parts
- Precision turned components
Strengths & Weaknesses
Strengths:
- Complex Machining Expertise: Roch CNC works with complex milling and turning projects, making it suitable when your RF housing has demanding geometries or tight machining requirements.
- Difficult Material Experience: The company has experience machining materials that can be harder to process, which can help if your enclosure specification goes beyond standard aluminum.
Weaknesses:
- Possible Longer Lead Times: Its more specialized operation can lead to longer lead times when production demand is high.
- More Limited Global Reach: The company mainly focuses on the U.S. market, so international buyers may have fewer logistics advantages than they would with a supplier built around global production.
Takeaway
Roch CNC is best suited to you if your RF housing requires complex machining, difficult materials, and closer technical support. The drawback is that lead times may increase during busy periods, and its international reach is more limited than some larger global manufacturers.
3. MachMaster
MachMaster is a China-based precision manufacturing company that provides CNC machining and other custom production services for global clients. It supports projects from rapid prototyping to large-scale manufacturing and serves industries such as electronics, medical equipment, automotive, lighting, agriculture, and commercial machinery.
Corporate Data
- Established Date: 2013
- Website: https://machcncmaster.com/
- Location: Xiamen, China
- Reach: Global, serving more than 500 customers across multiple industries
- Certifications: ISO 9001
Product Focus
- CNC machined RF housings
- Precision metal enclosures
- Custom CNC machined components
- Sheet metal enclosures
- Plastic injection molded parts
Strengths & Weaknesses
Strengths:
- One-Stop Manufacturing: MachMaster combines CNC machining, plastic injection molding, sheet metal fabrication, and surface finishing, which can make your project easier to manage when several manufacturing processes are involved.
- Precision And Engineering Support: The company can produce parts with tolerances up to ±0.01 mm and provides DFM support to help you review materials, part structures, and manufacturing requirements before production.
Weaknesses:
- Longer International Shipping: If you are based in North America or Europe, delivery from China may take longer than sourcing from a nearby domestic machine shop.
- Less Convenient For Local-Only Projects: Projects that require frequent in-person factory visits or strictly domestic production may be better matched with a local manufacturer.
Takeaway
MachMaster is best suited to you if you need a supplier that can handle high-precision RF housings from prototype through larger production runs while also providing DFM and secondary manufacturing support. The main drawback is its China-based location, which can add shipping time and make it less practical if your project requires local production.
4. Dyco Inc.
Dyco Inc. is a U.S.-based precision machining company that works with medical, aerospace, and other demanding industries. The company focuses on producing consistent precision parts and enclosures for long-term manufacturing programs.
Corporate Data
- Established Date: 1978
- Website: https://www.dycoinc.com/
- Location: Monticello, Minnesota, USA
- Reach: Primarily North America
- Certifications: ISO 9001, AS9100
Product Focus
- Precision machined enclosures
- Medical assemblies
- Aerospace components
- Custom CNC machined parts
- High-precision production components
Strengths & Weaknesses
Strengths:
- Consistent Production Quality: Dyco has an experienced machining team, which can help you maintain consistent results across repeat production runs.
- Regulated Industry Experience: Its work in medical and aerospace manufacturing makes it a practical choice for projects that require tighter quality controls and documented processes.
Weaknesses:
- More Traditional Digital Experience: Its website and online purchasing experience may feel less streamlined if you prefer fast digital quoting and project tracking.
- Limited International Reach: The company mainly serves North American customers, so overseas buyers may have fewer logistics advantages compared with manufacturers built around global sourcing.
Takeaway
Dyco Inc. is best suited to you if you need consistent precision machining for medical, aerospace, or enclosure projects over longer production runs. However, its mainly North American reach may be a drawback if you need a supplier with a wider international manufacturing network.
5. Forest City Gear
Forest City Gear is a U.S.-based precision manufacturer best known for high-accuracy gears and related machined components. Its work is often used in demanding mechanical systems where dimensional accuracy and reliable component interaction matter.
Corporate Data
- Established Date: 1955
- Website: https://forestcitygear.com/
- Location: Roscoe, Illinois, USA
- Reach: Global
- Certifications: ISO 9001, AS9100
Product Focus
- High-precision gears
- Integrated housings
- CNC machined components
- Aerospace mechanical parts
- Precision drivetrain components
Strengths & Weaknesses
Strengths:
- High Mechanical Precision: Forest City Gear has strong experience with components that need to work closely together, making it useful for RF housings connected to complex mechanical systems.
- Global Project Experience: The company works on demanding programs across several industries, including aerospace applications, which gives it experience with strict production requirements.
Weaknesses:
- Highly Specialized Focus: Its main strength is precision gearing, so a basic RF enclosure may not make full use of its manufacturing expertise.
- Potentially Higher Cost: Projects involving simple rectangular housings may cost more than they would with a supplier focused mainly on standard CNC enclosure machining.
Takeaway
Forest City Gear is best suited to you if your RF housing is part of a mechanically complex system that includes gears or other precision moving components. Nevertheless, it may be more specialized and costly than necessary for a straightforward machined RF enclosure.
6. PDJ Vibratory Finishing
PDJ Vibratory Finishing is a UK-based company that specializes in vibratory finishing, deburring, polishing, and surface preparation. Rather than acting as a primary CNC machining supplier, it supports manufacturers that need smoother and cleaner metal surfaces after machining.
Corporate Data
- Established Date: 1983
- Website: https://www.vibratoryfinishing.co.uk/
- Location: Milton Keynes, United Kingdom
- Reach: Primarily Europe
- Certifications: ISO 9001
Product Focus
- Vibratory finishing
- Metal deburring
- Surface smoothing
- Polishing processes
- Finishing equipment
Strengths & Weaknesses
Strengths:
- Surface Finishing Experience: PDJ specializes in removing burrs and improving metal surfaces, which can be useful before later coating or finishing stages.
- Specialist Processing Knowledge: Its narrow focus gives you access to specific finishing methods for parts that need controlled edges and smoother surfaces.
Weaknesses:
- No Primary CNC Machining: You will still need another manufacturer to machine the RF housing before PDJ carries out the finishing work.
- Regional Focus: Its operations mainly serve European customers, which may add shipping and coordination steps for projects based farther away.
Takeaway
PDJ Vibratory Finishing is best suited to you as a secondary processing partner when your machined RF housings need deburring, polishing, or surface preparation. Nonetheless, it is not a complete RF housing manufacturer, so you will need to coordinate CNC machining with another supplier.
7. E.J. Basler
E.J. Basler is a U.S.-based precision manufacturer that produces turned and milled components for automotive and industrial applications. The company combines established machining experience with modern production systems aimed at repeatable, higher-volume manufacturing.
Corporate Data
- Established Date: 1964
- Website: https://www.ejbasler.com/
- Location: Schiller Park, Illinois, USA
- Reach: Global
- Certifications: ISO 9001, IATF 16949
Product Focus
- Precision turned components
- CNC milled parts
- Automotive components
- Industrial machined parts
- Small high-volume precision components
Strengths & Weaknesses
Strengths:
- High-Volume Production: E.J. Basler is a practical option if you need repeat production of precision components in larger quantities.
- Data-Driven Quality Control: Its manufacturing systems support production tracking and quality monitoring, which can help you manage repeat orders and inspection requirements.
Weaknesses:
- Less Focus on Small R&D Orders: Its production model may be better suited to established manufacturing programs than very small prototype quantities.
- Limited RF Housing Specialization: RF housings are not its main product focus, so you should confirm its experience with your enclosure geometry and RF-related requirements before moving forward.
Takeaway
E.J. Basler is best suited to you if you need high-volume production of small precision parts used in RF, electronic, or industrial assemblies. Still, its focus on larger production programs may make it less practical for early-stage RF housing prototypes or low-volume development work.
8. Ephrata Precision
Ephrata Precision is a U.S.-based machine shop that provides precision manufacturing for custom parts, tooling, dies, and enclosures. The company offers several machining processes, including EDM, which can support projects with small or difficult internal features.
Corporate Data
- Established Date: 1970
- Website: https://www.ephrataprecision.com/
- Location: Ephrata, Pennsylvania, USA
- Reach: Primarily the U.S. market
- Certifications: ISO 9001
Product Focus
- Precision enclosures
- Tooling components
- Dies
- EDM machined parts
- Custom precision components
Strengths & Weaknesses
Strengths:
- EDM Capability: Ephrata Precision offers EDM machining, which can help you produce tight internal features and complex shapes that may be difficult to machine with standard cutting tools.
- Broad Machining Support: The company provides several precision manufacturing services, making it useful when your project needs more than basic CNC milling.
Weaknesses:
- Smaller Production Footprint: Its smaller operation may make rapid scale-up more difficult if your project suddenly moves into very large production volumes.
- Primarily Domestic Reach: The company mainly serves the U.S. market, so overseas buyers may need to manage additional shipping and communication requirements.
Takeaway
Ephrata Precision is best suited to you if your RF housing requires complex internal geometry, EDM work, or specialized precision machining. However, its smaller production footprint may be a drawback if you need to scale a project quickly to very high volumes.
9. Precision Plus
Precision Plus is a U.S.-based precision manufacturer that focuses on Swiss turning, milling, and small complex machined parts. The company is known for its high-end machining equipment and works mainly with applications that need tight dimensions and repeatable production.
Corporate Data
- Established Date: 1982
- Website: https://www.ppmfg.com/
- Location: Elkhorn, Wisconsin, USA
- Reach: Primarily North America
- Certifications: ISO 9001:2015
Product Focus
- Swiss-turned components
- Precision milled parts
- Small-diameter components
- Medical components
- Dental components
Strengths & Weaknesses
Strengths:
- Small-Part Precision: Precision Plus focuses on small and complex machined parts, which can work well for compact RF components and miniature housings.
- Advanced Machining Equipment: The company invests in modern machinery and workforce development, supporting projects that require repeatable dimensions and detailed machining.
Weaknesses:
- Premium Pricing: Its U.S.-based production and higher-end machining setup may lead to higher costs compared with suppliers in lower-cost manufacturing regions.
- Focus on Smaller Components: The company’s main strength is small-diameter precision work, so it may be less suitable for larger RF enclosures.
Takeaway
Precision Plus is best suited to you if you need small, complex RF components or compact housings with tight machining requirements. Nevertheless, its premium pricing and focus on smaller parts may make it less practical for larger enclosures or cost-sensitive projects.
10. McCormick Industries
McCormick Industries is a U.S.-based precision manufacturer that produces small to medium-sized machined parts for demanding industries. The company focuses on responsive production and quick-turn machining for aerospace, defense, medical, and related applications.
Corporate Data
- Established Date: 1996
- Website: https://mccormickind.com/
- Location: Mundelein, Illinois, USA
- Reach: Primarily the U.S. Midwest and North America
- Certifications: ISO 9001
Product Focus
- Aerospace components
- Defense components
- Medical components
- Precision machined parts
- Small to medium-sized CNC components
Strengths & Weaknesses
Strengths:
- Quick-Turn Production: McCormick Industries can be a practical choice when you need prototypes or precision parts on a shorter production schedule.
- Responsive Project Support: The company is known for responsive customer service, which can help you manage design questions and production updates more easily.
Weaknesses:
- Fewer One-Stop Services: McCormick Industries has more limited secondary manufacturing services compared with suppliers that combine machining, finishing, molding, and fabrication under one operation.
- More Regional Reach: Its business is mainly focused on North America, which may be less convenient for buyers managing a wider global sourcing program.
Takeaway
McCormick Industries is best suited to you if you need fast U.S.-based prototyping or precision production for smaller RF housing components. Still, its more limited one-stop secondary services may mean you need additional suppliers for finishing or other post-machining processes.
Conclusion
The right RF housing supplier depends on your part design, required tolerance, order volume, and production plan. Compare each manufacturer based on what your project actually needs.
Some suppliers are stronger in high-volume machining, while others are better for complex parts, finishing, or prototype support. Looking at these differences can help you avoid costly production problems.
If you need one supplier for precision machining, DFM support, finishing, and production scaling, MachMaster is worth considering. Share your project requirements with the team to see how the part can be produced more efficiently.