When buyers search for cnc machining companies, they are usually trying to solve a practical sourcing problem: finding a dependable partner that can deliver accurate parts, stable quality, and predictable lead times—without cost surprises. The best cnc machining supplier combine CNC milling and CNC turning with strong engineering support, clear quoting, and inspection discipline. In today’s market, many cnc machining center also offer multi-process options (sheet metal, molding, additive) to reduce supplier count and simplify program management.
This guide summarizes 15 widely visible cnc machining companies and CNC service providers—covering when they were established (where available), where they operate, and what machining processes they offer—then closes with a decision framework to help you compare cnc machining companies logically.

How We Evaluated These CNC Machining Companies
To keep this useful for sourcing, this list focuses on service-oriented cnc machining center (not machine tool OEMs). The profiles emphasize what matters in procurement:
- Company background (founded year when available, HQ/location)
- Manufacturing processes available (CNC milling, turning, 5-axis, finishing, etc.)
- Typical use cases (prototype vs production, complex parts, global shipping)
Note: Search rankings shift daily by location and personalization, so treat “top 15” as commonly surfaced cnc machining companies across Google results and well-known platforms/directories, not a fixed ranking.
Top 15 CNC Machining Companies and Service Providers
1) Xometry
- Founded: 2013
- Mailing address (listed): 6116 Executive Blvd, Ste. 800, North Bethesda, MD 20852, USA
- Processes: On-demand manufacturing marketplace including CNC machining (plus other processes).
Why it’s often shortlisted among cnc machining companies: fast quoting and broad capacity access via a network model.
2) Protolabs
- Founded: 1999
- HQ/Address: 5540 Pioneer Creek Dr, Maple Plain, MN 55359, USA
- Processes: CNC machining, injection molding, 3D printing, sheet metal fabrication.
Why it appears frequently in cnc machining companies searches: strong digital workflow and broad rapid manufacturing coverage.
3) Protolabs Network (formerly Hubs)
- Foundation (platform origin): 2013 in Amsterdam (as widely described); acquired by Protolabs in 2021.
- Processes: CNC machining, 3D printing, sheet metal fabrication; network-based model.
Why it’s relevant among cnc machining companies: broad supplier network and capability breadth for prototypes to production
4) Weldo Machining
- Founded: 2012
- Location: Dongguan,China
- Processes: CNC machining services, CNC milling; 5 axis cnc machining,wire EDM machining,injection molding,3d printing,aluminum extrusion,sheet metal,wide metal/material support and quoting workflows.
Why it stands out among cnc machining companies: clear service segmentation and CNC machining capability communication suitable for RFQ workflows.

5) Advance CNC Machining
- Founded: 1987
- HQ/Address: 2375 Harrisburg Pike, Grove City, Ohio, USA
- Processes: 4-axis and 5-axis CNC machining (Makino), automation-focused CNC production capabilities (as described in public company listings).
Why it’s relevant in cnc machining companies searches: strong positioning around high-precision multi-axis capacity.
6) Fictiv
- Founded: 2013
- HQ (listed): San Francisco Bay Area, CA, USA
- Processes: CNC machining plus multiple manufacturing services across prototype-to-production workflows.
Why it’s often included in cnc machining companies comparisons: procurement-oriented digital sourcing model and multi-process coverage.
7) Fathom Digital Manufacturing
- Founded (listed): 1984
- HQ: Hartland, Wisconsin, USA (public company listings).
- Processes: CNC machining plus additive and other manufacturing technologies; certifications are publicly described on Fathom pages.
Why it matters among cnc machining companies: combination of CNC and broader manufacturing stack for complex programs.
8) Stratasys Direct Manufacturing
- Address (listed): 3280 E Hemisphere Loop, Ste 120, Tucson, AZ 85706, USA
- Processes: Public sources list CNC machining as part of broader direct manufacturing services.
Why it appears in cnc machining companies results: strong brand visibility in on-demand manufacturing and production services.
9) Quickparts
- Year founded (commonly cited): 1990 (as stated in Quickparts’ published industry article)
- Primary location (listed): 620 S Industrial Way, Seattle, WA 98108, USA
- Processes: CNC machining and engineering/manufacturing services; often positioned with online quoting workflows.
Why it’s compared with other cnc machining companies: online quote focus and multi-process sourcing model.
10) eMachineShop
- Founded (listed): 1999
- Address (listed): 31 Industrial Ave, Mahwah, NJ, USA
- Processes: CNC turning, CNC milling, plus multiple related fabrication options (as described on company pages and listings).
Why it ranks in cnc machining companies searches: accessible online ordering plus a broad service menu.

11) RapidDirect (China-based manufacturing services)
- Founded (stated in public sources): 2009
- Location context: Shenzhen factory presence and China-based manufacturing network described on company materials.
- Processes: CNC machining plus injection molding, sheet metal, 3D printing (as described by RapidDirect).
Why it’s frequently discussed among cnc machining companies: China sourcing + multi-process capability for cost-sensitive production.
12) WayKen Rapid Manufacturing
- Address (listed): Penglongpan Hi-tech Park, Dafu Rd, Shenzhen, China
- Processes: CNC machining plus multiple rapid manufacturing services listed on company sources.
Why it shows up among cnc machining companies: rapid prototyping and on-demand manufacturing positioning for international buyers.
13) Star Rapid
- Founded (public listings): 2005
- Address (listed): 15 Huan Mao 1 Road, Zhongshan Torch Development Zone, Guangdong 528437, China
- Processes: CNC machining and multiple manufacturing services listed in company pages.
Why it’s included in cnc machining companies evaluations: broad in-house process coverage plus export-facing presentation.
14) 3ERP (3E Rapid Prototyping)
- Address (listed): No 5-7 XingGang Avenue South, GangKou Town, ZhongShan City, GuangDong, China
- Processes: CNC machining, vacuum casting, die casting, 3D printing, tooling/injection molding, sheet metal, extrusion (as listed by the company).
Why it’s compared among cnc machining companies: strong “prototype to low-volume” positioning and broad services.
15) United CNC Machining
- Founded (listed): 1979
- HQ/Address (listed): 1597 Atlantic Blvd, Auburn Hills, MI 48326, USA
- Processes/Focus: Multi-axis machining emphasis and certifications are stated on company pages and listings.
Why it appears in cnc machining companies searches: aerospace/defense-facing positioning and multi-axis expertise narrative.

Side-by-Side Comparison: How These CNC Machining Companies Differ
When comparing cnc machining companies, the fastest way to shortlist is to match your project type to the supplier model:
A) Best-fit for fast online quoting and broad capacity (network model)
- Xometry
- Protolabs Network (Hubs)
- Fictiv
- Quickparts
- Weldo machining
B) Best-fit for integrated rapid manufacturing portfolios (CNC + multiple processes)
- Protolabs
- Weldo machining
- Fathom
- Stratasys Direct Manufacturing
C) Best-fit for China-based sourcing (cost leverage + export-facing service)
- RapidDirect
- WayKen
- Star Rapid
- 3ERP
- Weldo machining
D) Best-fit for specialized machining capacity narratives (multi-axis / OEM-style)
- Advance CNC Machining
- United CNC Machining
- 3ERP

Practical Shortlisting Checklist for CNC Machining Companies
Before sending RFQs to cnc machining companies, validate these items (this prevents 80% of sourcing failures):
- Scope match: milling/turning/5-axis, part size, tolerances, materials
- Quality system fit: inspection method, traceability, documentation expectations
- DFM capability: whether the supplier proactively reduces cost/risk
- Confidentiality controls: NDA availability and controlled data handling
- Delivery model: local vs cross-border logistics, packaging, export documentation
This checklist is the fastest way to compare cnc machining companies beyond marketing claims.
Conclusion: Choosing the Right CNC Machining Companies for Long-Term Supply
The market for cnc machining companies is broad: some providers excel at instant quoting and network capacity, while others focus on deep machining specialization or China-based cost advantages. The right choice depends on your tolerance requirements, material complexity, engineering change frequency, and delivery constraints.
If you want a supplier that can support both prototype and production needs with responsive engineering support, contact Weldo Machining to discuss your drawings, timelines, quality requirements, and to request a quote.
