Top CNC Machining Companies in the USA (2026): Profiles, Strengths and How to Choose

The most established CNC machining companies in the USA in 2026 are Protolabs (Maple Plain, Minnesota, founded 1999), Xometry (North Bethesda, Maryland, founded 2013), Fictiv — now operating under the MISUMI Americas umbrella after MISUMI Group’s May 2026 integration — and PartsBadger (Cedarburg, Wisconsin, founded 2016). Protolabs closed out 2025 with record annual revenue of $533.1 million, up 6.4% year-over-year, with its CNC machining line growing 17.6% for the year (Protolabs, 2026). Xometry’s marketplace ended 2025 with 4,996 active suppliers and full-year revenue of $686.6 million, up 25.9% (Xometry, 2026). The right partner depends less on brand recognition and more on your volume, tolerance and certification needs.

This guide profiles each company with verified, current detail, flags what changed recently, and gives you a practical framework for choosing — including when a US shop is the right call and when an overseas manufacturer makes more sense.

How we researched this list

We pulled every figure in this guide from a primary source: SEC filings and investor press releases for the publicly traded companies (Protolabs, NYSE: PRLB; Xometry, Nasdaq: XMTR), and company or acquirer press releases for the private ones. We did not pull numbers from data-aggregator sites that estimate private-company revenue, because those estimates routinely conflict with each other by hundreds of millions of dollars and we would rather tell you less than tell you something unverifiable.

We focused on companies headquartered in the United States, judged on three things: documented scale and certifications, breadth of process and material support, and a track record serving regulated industries like aerospace and medical. We left out shops we could not verify against public records. A short, accurate list is more useful to a buyer than a long one padded with names nobody can confirm.

A quick definition for newer buyers: a CNC machining company turns your CAD file into a finished metal or plastic part using computer-controlled mills, lathes and multi-axis centers. Some of the companies below own their factories, some operate as marketplaces that route your job to a partner shop, and some do both. That distinction matters more than almost anything else on this page, so keep it in mind as you read.

Protolabs

Protolabs is the largest pure-play digital manufacturer on this list, and 2025 was its best year on record. Founded in 1999 by Larry Lukis as The Protomold Company and headquartered in Maple Plain, Minnesota, it went public in 2012 (NYSE: PRLB). For full-year 2025, Protolabs reported record revenue of $533.1 million, a 6.4% increase over 2024, with net income of $21.2 million, up from $16.6 million the year before (Protolabs, 2026). The standout number for buyers reading this guide: CNC machining revenue grew 17.6% for the year and 25.0% in the fourth quarter alone, faster than any other service line the company offers (Protolabs, 2026). Work fulfilled through Protolabs’ own factories totaled $416.9 million of that revenue, with the remaining $116.2 million routed through its partner network.

Under CEO Suresh Krishna, the company has been narrowing its focus toward making the digital ordering experience less fragmented, including the early-2026 rollout of a unified customer interface called ProDesk. For machining specifically, Protolabs runs CNC machines across AS9100-certified facilities, producing parts to tolerances down to ±0.005″ and supporting more than 40 metals and plastics, with most jobs shipping within 1 to 2 business days. That combination of automated quoting and fast turnaround is the core of its value proposition: you upload a model, get pricing and a manufacturability check back in minutes, and can have a finished part within days.

Where it falls short for some buyers: Protolabs is not generally the lowest-cost option at production volume, and its sweet spot is more about speed than unit economics. Teams running highly complex assemblies or large-volume programs typically find better pricing with a dedicated production shop once a design is locked.

Best for: fast prototypes and low-to-medium volume production where speed and a frictionless digital workflow matter more than the lowest unit price.

Xometry

Xometry takes a fundamentally different approach than Protolabs. Rather than owning the machines, it runs an AI-powered manufacturing marketplace. Founded in 2013 in Maryland (originally NextLine Manufacturing Corp.) and now publicly traded on Nasdaq under XMTR, it had a strong 2025: full-year revenue of $686.6 million, up 25.9% from $545.5 million in 2024, with the marketplace segment alone generating $629.6 million (Xometry, 2026). The supplier network grew 17% year-over-year to 4,996 active suppliers by the end of 2025, with Xometry deliberately weighting growth toward larger US suppliers carrying recognized quality certifications to better serve enterprise buyers (Xometry, 2026).

The mechanics are straightforward. You upload a CAD model, an instant-quote engine prices it using material, volume and process as inputs, and the job is matched to a supplier from the network. Xometry has leaned further into enterprise tooling recently, including a Workcenter app for its supplier partners and CMMC Level 2 certification for aerospace and defense work. One leadership change worth knowing about: Xometry announced in February 2026 that CEO Randy Altschuler will move to executive chair on July 1, 2026, with company president Sanjeev Singh Sahni stepping into the CEO role.

Best for: buyers who want instant pricing, broad capacity, and the option to source within the US or overseas through a single platform. The trade-off of any marketplace model is consistency. Because suppliers are onboarded largely through applications and remote vetting rather than an on-site audit of every shop on every order, part-to-part quality can vary more than it does with a single-factory provider, particularly on your first few orders with a new supplier match.

Fictiv and the MISUMI Americas integration

This is the section of this guide that changed the most since our last update, so read it carefully if you have worked with Fictiv before. Fictiv was founded in 2013 in San Francisco by brothers Dave and Nate Evans. In April 2025, Japan’s MISUMI Group acquired Fictiv in an all-cash deal worth $350 million. For about a year afterward, Fictiv continued operating under its own name as a quality-first alternative to pure marketplaces.

That changed on May 28, 2026, when MISUMI Group launched MISUMI Americas, folding Fictiv’s digital manufacturing platform into a combined entity alongside MISUMI’s decades-old catalog of standard and configurable mechanical components. Fictiv co-founder Dave Evans now serves as President and CEO of MISUMI Americas. The combined network now spans manufacturing in the United States, Mexico, China, India and Japan — an expansion from the four regions Fictiv covered on its own. MISUMI separately committed to a ¥150 billion (roughly $1 billion) global investment vision to support this expansion, including new light-manufacturing and warehousing facilities in California, Illinois and Ohio. If you placed orders through Fictiv before mid-2026, expect your account and quoting workflow to migrate to the MISUMI Americas platform; MISUMI has also been sunsetting its older meviy USA ordering tool in favor of the integrated Fictiv-based system.

For machining and broader fabrication, the platform still operates the way Fictiv did: a vetted supplier network, in-region quality teams, and dedicated program managers handling DFM, logistics and inspection, with core strengths in CNC machining, injection molding and 3D printing, plus support for 2D drawings carrying GD&T. The newer MISUMI Americas offering adds AS9100D and NADCAP-certified machining for aerospace work and IATF 16949-certified molding for automotive programs, on top of what Fictiv already supported.

Best for: teams that want hands-on engineering support and tighter quality oversight than a hands-off marketplace, plus multi-region sourcing flexibility for managing tariff exposure — now backed by a much larger parent company’s catalog of standard components alongside custom manufacturing.

PartsBadger

PartsBadger is the youngest company in this guide and a good example of the “tech plus manufacturing” hybrid model. Co-founded in 2016 by Roy Dietsch and Jimmy Crawford, it is headquartered in Cedarburg, Wisconsin, and provides custom CNC parts through online quoting and ordering. It serves US buyers who want quick custom machined components without a drawn-out RFQ process, positioning itself between the fully automated marketplaces above and a traditional job shop’s manual quoting process.

Best for: small-to-mid custom CNC orders where a streamlined online workflow, domestic production and direct phone or email access to a US-based team are priorities over the absolute lowest price.

US shops vs. overseas manufacturers: an honest comparison

There is no single “best” location for CNC machining. The right choice depends on what you are building, how many you need, and how much engineering support you need along the way. Here is how the trade-offs generally break down in practice.

The practical takeaway, and one that several of the companies above are themselves building tooling around (Fictiv’s live duty-rate modeling is a direct response to this): many product teams prototype domestically for speed, then move to a qualified overseas manufacturer for production once the design is locked. The deciding factors are tolerance, certification, current tariff exposure for your specific HS code, and total landed cost — not the flag on the building.

Red flags when evaluating any CNC machining company

Whichever country you source from, the warning signs are largely the same. Watch for:

• Quotes with no tolerance specified. A real shop tells you what it can hold on your critical features, in writing, before you order.
• No willingness to provide a first-article inspection report. This is standard practice at every company profiled above; if a smaller competitor won’t offer one, that is a meaningful gap.
• Certifications that can’t be verified. ISO and AS9100 certificates carry a registration number you can check with the issuing body. “We follow ISO standards” without a certificate is not the same as being certified.
• Pressure to commit to a large production run before a validated sample part. Order one piece, check it against your print, and only then scale up.
• Vague answers about whether they own the equipment. Marketplaces are a legitimate model, but you should know whether you are dealing with a factory or a broker, because it changes who is accountable when something goes wrong.

How to choose the right CNC machining company

Work through these questions before you send an RFQ to any of the companies above, or to a competitor not covered here.

1. What volume do you actually need? Prototype and low-volume work favors quick-turn digital manufacturers like Protolabs. Recurring production favors a dedicated shop, or an overseas partner, that can hold price and capacity over many months.
2. What tolerance does the part require? Ask for the standard tolerance and what can be held on critical features specifically. A general bracket is forgiving; a sealing surface or a bearing fit is not.
3. Which certifications matter for your industry? Aerospace usually means AS9100, medical means ISO 13485, automotive means IATF 16949. If a supplier cannot name the standard that governs your part, keep looking.
4. What inspection comes standard with the part? A first-article inspection report, CMM data and material certificates separate a real manufacturing partner from a parts vending machine.
5. Do you need a single factory or a broad network? A factory-owned provider gives tighter consistency control; a marketplace gives broader capacity and faster instant quotes, at the cost of more supplier-to-supplier variability.
6. What is the total landed cost, including tariffs? Compare the all-in number, not just the per-part quote, and confirm current duty rates for your specific part classification if sourcing overseas.
7. How will quality issues actually get resolved? Ask what happens if a batch fails inspection. A program manager you can reach by phone is worth more than a slightly lower quote.

Where Lewei Precision fits

Full disclosure: Lewei Precision publishes this guide, so treat this section as our own positioning rather than a neutral ranking.

We are a precision manufacturer based in Dongguan, China, with 21 years of experience, more than 100,000 parts produced and shipments to 120+ countries. We hold ISO 9001:2015, ISO 13485, ISO 14001 and IATF 16949 certifications, hold tolerances as tight as ±0.001″, and inspect with CMM, XRF, 2D measuring instruments, micrometers and gauges. For US product teams, we usually enter the picture after a design is validated, when the goal shifts from “get one part fast” to “produce many, consistently, at a defensible cost.” If you are weighing a domestic quick-turn shop like the ones above against an overseas production partner, we are glad to quote the same part both ways so you can compare landed cost honestly, tariffs included, before you commit to a production run.

FAQs

Who are the largest CNC machining companies in the USA?

By verified public reporting, Protolabs and Xometry are the largest US-headquartered players in 2026. Protolabs closed 2025 with record revenue of $533.1 million, while Xometry’s marketplace ended the year with 4,996 active suppliers and $686.6 million in full-year revenue (Protolabs, 2026; Xometry, 2026).

What happened to Fictiv?

Fictiv was acquired by Japan’s MISUMI Group in April 2025 for $350 million and continued operating under its own brand for about a year. In May 2026, MISUMI launched MISUMI Americas, integrating Fictiv’s digital manufacturing platform with MISUMI’s broader catalog of standard and custom parts. Fictiv co-founder Dave Evans now leads MISUMI Americas as President and CEO.

What is the difference between a CNC marketplace and a CNC factory?

A marketplace like Xometry routes your job to a partner shop from a large network, which gives broad capacity and instant quotes but more variable quality between orders. A factory-based provider like Protolabs machines parts on its own equipment, which gives tighter consistency control but a narrower capacity ceiling at very high volumes.

Is it cheaper to machine parts in the USA or overseas?

For prototypes and very low volumes, the cost gap is often small, and US speed can win outright. For medium-to-high production volumes, an established overseas manufacturer with the right certifications is usually meaningfully cheaper on a total landed-cost basis, even after shipping and duties.

What certifications should a CNC machining company have?

At minimum, ISO 9001:2015 for quality management. For regulated work, look for AS9100 (aerospace), ISO 13485 (medical) and IATF 16949 (automotive). The certification should match the industry your part actually serves, and you should be able to verify the certificate number independently.

How do I compare CNC quotes fairly across suppliers?

Compare total landed cost, not the per-part price alone. Include shipping, duties, inspection documentation and the realistic cost of any rework. Ask every supplier for the same tolerance, finish and inspection scope so the quotes are actually measuring the same thing.

Do tariffs change which option makes sense?

They can, and the calculus shifts as trade policy changes. Several companies in this guide, including Fictiv/MISUMI Americas, now build live duty-rate modeling into their quoting tools specifically because tariff exposure has become a routine part of the sourcing decision rather than an edge case. Always ask for a landed-cost quote that already accounts for current tariffs on your part’s classification.